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Paper Citation Record · LEDGER

SIGIR 2025 -- LiveRAG Challenge Report

As of 9 August 2026, this Paper Citation Record lists 32 of 32 outbound references and 2 inbound Pith citation observations for arXiv:2507.04942.

A citation records a reference. It does not transfer a finding from one paper to another.

pith.paper-citation-record.v1
2507.04942 v2

Coverage vector

measured 32 of 32 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-06T19:39:55.381290Z

measured 34 of 34 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-09T06:31:02.800959+00:00

measured 2 of 2 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-07T00:23:09.095048Z

measured 0 of 1 external citation measurements

A source-named dated measurement, never combined with another source.

Source: pith, observed 2026-08-07T00:22:35.268504Z

Reference resolution

32 of 32 outbound references displayed

  • verified exact5
  • verified fuzzy14
  • unresolved13
  • parse uncertain0
  • malformed identifier0
  • metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation df316aaa-f292-4ee4-9c03-9e4f9591b216 · outbound

This paper cites Retrieval-augmented generation for knowledge- intensive NLP tasks.

SIGIR 2025 -- LiveRAG Challenge Report Retrieval-augmented generation for knowledge- intensive NLP tasks

Reference 1

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T19:39:59.657966Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-06T19:39:53.305246Z digest=sha256:7b46ff81c66e9b85ac6b3c5b316ea9419cfe4200a35eacba5918a05e9582fd2d

Observation dc8e06da-7c26-4386-b42e-1e388cce4182 · outbound

This paper cites Atlas: Few-shot learning with retrieval augmented lan- guage models.

SIGIR 2025 -- LiveRAG Challenge Report Atlas: Few-shot learning with retrieval augmented lan- guage models

Reference 2

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T19:39:59.528978Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-06T19:39:53.338718Z digest=sha256:70cd525ede2912b5fa8fbc84654994461a7724b90bcee0ef3eed208c8f6d7b7d

Observation 96d2a619-b462-4af2-a2f6-2f33957a2c6e · outbound

This paper cites Retrieval-Augmented Generation for Large Language Models: A Survey.

SIGIR 2025 -- LiveRAG Challenge Report Retrieval-Augmented Generation for Large Language Models: A Survey

Reference 3

Resolution
unresolved
no resolver link, observed 2026-08-06T19:39:53.404280Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T19:39:53.404280Z digest=sha256:cd384298e1d4a997a42960cc2743db8b25cb6f3179f3e0257d57d73bc1d6047b

Observation 40b86bee-d0f4-4351-9e58-ab0aac0495e2 · outbound

This paper cites The Great Nugget Recall: Automating Fact Extraction and RAG Evaluation with Large Language Models.

SIGIR 2025 -- LiveRAG Challenge Report The Great Nugget Recall: Automating Fact Extraction and RAG Evaluation with Large Language Models

Reference 4

Resolution
unresolved
no resolver link, observed 2026-08-06T19:39:53.466408Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T19:39:53.466408Z digest=sha256:4d5f6032c23a35314ad1065e0486a11bdd76c67dc270755d1394f50e48de7381

Observation 0d2612da-046f-4181-8d9d-81729928c3d1 · outbound

This paper cites Ragas: Automated evaluation of retrieval augmented generation.

SIGIR 2025 -- LiveRAG Challenge Report Ragas: Automated evaluation of retrieval augmented generation

Reference 5

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T19:39:59.356511Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-06T19:39:53.519440Z digest=sha256:5c95e62c1af99b50e04bd830277cd953407558094774842269b08b4b6807939c

Observation 1327db2c-db04-4e52-afed-8af4b0d4565b · outbound

This paper cites Generating Diverse Q&A Benchmarks for RAG Evaluation with DataMorgana.

SIGIR 2025 -- LiveRAG Challenge Report Generating Diverse Q&A Benchmarks for RAG Evaluation with DataMorgana

Reference 6

Resolution
unresolved
no resolver link, observed 2026-08-06T19:39:53.556349Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T19:39:53.556349Z digest=sha256:1acdf372fe5f39849d63a0ec233e000c78c931044086e0c089ea5d810edba592

Observation 3692a945-473a-4855-98b7-954cdbde97e6 · outbound

This paper cites CRAG-comprehensive RAG benchmark.

SIGIR 2025 -- LiveRAG Challenge Report CRAG-comprehensive RAG benchmark

Reference 7

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T19:39:59.123101Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-06T19:39:53.625489Z digest=sha256:862a1fa99876889d89fcbf904c3056fec4497a7dc923869b00a53b324ad56f72

Observation 3189758f-19da-48dc-8ab6-f1815db16894 · outbound

This paper cites Support Evaluation for the TREC 2024 RAG Track: Comparing Human versus LLM Judges.

SIGIR 2025 -- LiveRAG Challenge Report Support Evaluation for the TREC 2024 RAG Track: Comparing Human versus LLM Judges

Reference 8

Resolution
unresolved
no resolver link, observed 2026-08-06T19:39:53.694230Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T19:39:53.694230Z digest=sha256:c25b5ae166d63b29ac120d5846379b1eb329259cbc2fae1d409051f0639c53fc

Observation 83042387-3ae9-4b90-9e82-82ff3ee0a3e3 · outbound

This paper cites Rahmani, Varsha Ramineni, Nick Craswell, Bhaskar Mitra, and Emine Yilmaz.

SIGIR 2025 -- LiveRAG Challenge Report Rahmani, Varsha Ramineni, Nick Craswell, Bhaskar Mitra, and Emine Yilmaz

Reference 9

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T19:39:58.852843Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-06T19:39:53.698956Z digest=sha256:98ad2d94567a39adb3aaa65ab94b22fe245764ad4b06663d962fd5ca2124cf66

Observation 296d3dc7-e65b-400b-be9e-f8019146bded · outbound

This paper cites Don’t use llms to make relevance judgments.

SIGIR 2025 -- LiveRAG Challenge Report Don’t use llms to make relevance judgments

Reference 10

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T19:39:58.554242Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-06T19:39:53.784404Z digest=sha256:bd2e8aed3d9c06b2724190847bf7e3353d5c5d901ba77f97bbda49053b92903a

Observation 7b86baaa-9f4e-4493-a9fd-8f3006c2678b · outbound

This paper cites The fineweb datasets: Decanting the web for the finest text data at scale.

SIGIR 2025 -- LiveRAG Challenge Report The fineweb datasets: Decanting the web for the finest text data at scale

Reference 11

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T19:39:58.335707Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-06T19:39:53.931077Z digest=sha256:84ee86ebe127b5f12fd58f368b0271218c7e4ea11efb99f6b823062fda53292b

Observation cfe5f369-9bd9-424e-85c5-73cde3d7b6fc · outbound

This paper cites Text embeddings by weakly-supervised contrastive pre-training, 2024.

SIGIR 2025 -- LiveRAG Challenge Report Text embeddings by weakly-supervised contrastive pre-training, 2024

Reference 12

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T19:39:58.119498Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-06T19:39:54.050628Z digest=sha256:35df484b609f9eb736b5e7c6b19f3cbaa8cc80294a95abc4b91b8207b1b5b4f9

Observation fc13c16f-ea5f-49be-a425-4670653d1459 · outbound

This paper cites Accurate and efficient metadata filtering in pinecone’s serverless vector database.

SIGIR 2025 -- LiveRAG Challenge Report Accurate and efficient metadata filtering in pinecone’s serverless vector database

Reference 13

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T19:39:57.904672Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-06T19:39:54.098570Z digest=sha256:5f356e85b4a8fa9a7752d0ebafabe6ce2b96e75fa48a3c68654daa8ac5b2f791

Observation fae1d68b-70cf-4f23-95d5-a278fde2ae93 · outbound

This paper cites The fast johnson–lindenstrauss transform and approximate nearest neighbors.

SIGIR 2025 -- LiveRAG Challenge Report The fast johnson–lindenstrauss transform and approximate nearest neighbors

Reference 14

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T19:39:57.724206Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-06T19:39:54.151571Z digest=sha256:f0c8639c2909eadae7afe843e38d778dc652f43e13739204dd95522231a06fdf

Observation 26ff4e4e-1677-44b6-b9b3-162465f71a05 · outbound

This paper cites Product quantization for nearest neighbor search.

SIGIR 2025 -- LiveRAG Challenge Report Product quantization for nearest neighbor search

Reference 15

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T19:39:57.536126Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-06T19:39:54.199376Z digest=sha256:d8f85758790d3a90c312d28f5bbd8b26a876e47c79f89aee15b42e07d71ff673

Observation 2cd22d91-ddfe-49eb-abc4-8c1e13010f5d · outbound

This paper cites an unresolved cited work.

SIGIR 2025 -- LiveRAG Challenge Report Unresolved cited work

Reference 16

Resolution
unresolved
raw_fallback, observed 2026-08-06T19:39:57.368141Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-06T19:39:54.244060Z digest=sha256:d7702fe9078332ace0827f2874e6ccb0d4ee0ce8efa7e14b0e93f508fcca191f

Observation 8d204908-7d67-4cce-a805-03becea44773 · outbound

This paper cites Generating Q&A benchmarks for RAG evaluation in enterprise settings.

SIGIR 2025 -- LiveRAG Challenge Report Generating Q&A benchmarks for RAG evaluation in enterprise settings

Reference 17

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T19:39:57.158821Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-06T19:39:54.307492Z digest=sha256:0ed02cc2e624ae442b31bd1811cd194a2b00857d87ba12d144fe8b7b0a0ad01b

Observation e45d347e-6229-45e7-917c-e152b4f1a8c7 · outbound

This paper cites RMIT-ADM+S at the SIGIR 2025 LiveRAG Challenge.

SIGIR 2025 -- LiveRAG Challenge Report RMIT-ADM+S at the SIGIR 2025 LiveRAG Challenge

Reference 18

Resolution
verified exact
local_arxiv, observed 2026-08-06T19:39:56.625885Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-06T19:39:54.391282Z digest=sha256:d2284608e2318f37c38880fc03a1e028702fd28294dcc9dbbf9d129c2c9c66ac

Observation 56c28ea2-f516-4a49-98c9-7a81cd9b3459 · outbound

This paper cites RAGtifier: Evaluating RAG Generation Approaches of State-of-the-Art RAG Systems for the SIGIR LiveRAG Competition.

SIGIR 2025 -- LiveRAG Challenge Report RAGtifier: Evaluating RAG Generation Approaches of State-of-the-Art RAG Systems for the SIGIR LiveRAG Competition

Reference 19

Resolution
verified exact
local_arxiv, observed 2026-08-06T19:39:56.337862Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-06T19:39:54.466508Z digest=sha256:b911c7c32ee4167a25e8db546b4956948bfda866961695a2947d0bda4018a718

Observation da43ca26-c4ec-4209-85cb-9c667a6f95bf · outbound

This paper cites CIIR@LiveRAG 2025: Optimizing Multi-Agent Retrieval Augmented Generation through Self-Training.

SIGIR 2025 -- LiveRAG Challenge Report CIIR@LiveRAG 2025: Optimizing Multi-Agent Retrieval Augmented Generation through Self-Training

Reference 20

Resolution
unresolved
no resolver link, observed 2026-08-06T19:39:54.506624Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T19:39:54.506624Z digest=sha256:9aa473ca5b2047972bf779ab0f9db01374d00e4cd9fcafb76f09109c0a448806

Observation b1c42514-05bb-4921-b02d-c175c976d5b5 · outbound

This paper cites LTRR: Learning To Rank Retrievers for LLMs.

SIGIR 2025 -- LiveRAG Challenge Report LTRR: Learning To Rank Retrievers for LLMs

Reference 21

Resolution
unresolved
no resolver link, observed 2026-08-06T19:39:54.589048Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T19:39:54.589048Z digest=sha256:9f2189e4d7279f27e4e4844cd2594c3c3362a2cd9b55365b4fcfdd95f7f0aae6

Observation e723e267-767a-42a6-b46f-43701c15633c · outbound

This paper cites DoTA-RAG: Dynamic of Thought Aggregation RAG.

SIGIR 2025 -- LiveRAG Challenge Report DoTA-RAG: Dynamic of Thought Aggregation RAG

Reference 22

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T19:39:57.025460Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-06T19:39:54.608225Z digest=sha256:cd7acaf96b0d29e68ea4d2244be57841f73e61d777c37d434c8a322eb346001c

Observation c1029138-ee1d-4c8e-9b54-cd4ecd5b81e6 · outbound

This paper cites PreQRAG -- Classify and Rewrite for Enhanced RAG.

SIGIR 2025 -- LiveRAG Challenge Report PreQRAG -- Classify and Rewrite for Enhanced RAG

Reference 23

Resolution
verified exact
local_arxiv, observed 2026-08-06T19:39:56.097058Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-06T19:39:54.654573Z digest=sha256:c4f74bd022c426c6553d4c3d825b592cac13ea4e1231be4e95007ac660a156cd

Observation f8dec7b3-c51e-466a-9359-6256a8d2e416 · outbound

This paper cites RAGentA: Multi-Agent Retrieval-Augmented Generation for Attributed Question Answering.

SIGIR 2025 -- LiveRAG Challenge Report RAGentA: Multi-Agent Retrieval-Augmented Generation for Attributed Question Answering

Reference 24

Resolution
unresolved
no resolver link, observed 2026-08-06T19:39:54.695229Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T19:39:54.695229Z digest=sha256:79e24051feed0e84907509b8daa96f55204c8d8f9d516969e11d3663c00b1dc7

Observation a8a61f92-1574-4eb5-9f0f-671271c99f0e · outbound

This paper cites TopClustRAG at SIGIR 2025 LiveRAG Challenge.

SIGIR 2025 -- LiveRAG Challenge Report TopClustRAG at SIGIR 2025 LiveRAG Challenge

Reference 25

Resolution
verified exact
local_arxiv, observed 2026-08-06T19:39:55.889227Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-06T19:39:54.725549Z digest=sha256:d8f602c2eb17a47323dafc44c06d08bb37f64a7e25bcc5d7953097af87266581

Observation a8dd4342-af75-4879-b1af-dddbb96f4cba · outbound

This paper cites Knowledge-Aware Diverse Reranking for Cross-Source Question Answering.

SIGIR 2025 -- LiveRAG Challenge Report Knowledge-Aware Diverse Reranking for Cross-Source Question Answering

Reference 26

Resolution
unresolved
no resolver link, observed 2026-08-06T19:39:54.750897Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T19:39:54.750897Z digest=sha256:8eea426091d8437bd39d1e4a088ae3d4b51f1a5b0097d19adfc6576a1516a85a

Observation 82436ace-19e6-4412-9196-f87112f287fb · outbound

This paper cites Leveraging LLM-Assisted Query Understanding for Live Retrieval-Augmented Generation.

SIGIR 2025 -- LiveRAG Challenge Report Leveraging LLM-Assisted Query Understanding for Live Retrieval-Augmented Generation

Reference 27

Resolution
unresolved
no resolver link, observed 2026-08-06T19:39:54.866294Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T19:39:54.866294Z digest=sha256:d0714054635279c75ee633d028748c7eefd799137d81d1085b14966386257f6e

Observation 0194ab01-739a-44a5-8565-f4b694d66dc4 · outbound

This paper cites UiS-IAI@LiveRAG: Retrieval-Augmented Information Nugget-Based Generation of Responses.

SIGIR 2025 -- LiveRAG Challenge Report UiS-IAI@LiveRAG: Retrieval-Augmented Information Nugget-Based Generation of Responses

Reference 28

Resolution
verified exact
local_arxiv, observed 2026-08-06T19:39:55.625540Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-06T19:39:54.967864Z digest=sha256:6cc5510f581b71ab487ff2eee81b7ed58305541b1955567ebfc7b04e7b7877fe

Observation 8cda25aa-9490-423d-af63-4b9a5b756b15 · outbound

This paper cites HLTCOE at LiveRAG: GPT-Researcher using ColBERT retrieval.

SIGIR 2025 -- LiveRAG Challenge Report HLTCOE at LiveRAG: GPT-Researcher using ColBERT retrieval

Reference 29

Resolution
unresolved
no resolver link, observed 2026-08-06T19:39:55.069147Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T19:39:55.069147Z digest=sha256:6456b0d1bb6e770fee7d9778907c4098acf15a49d6cb49f6dea8cd1fdc776e1d

Observation aee830c9-d1e5-4e19-a3f6-7dc79d12aac1 · outbound

This paper cites A Survey on LLM-as-a-Judge.

SIGIR 2025 -- LiveRAG Challenge Report A Survey on LLM-as-a-Judge

Reference 30

Resolution
unresolved
no resolver link, observed 2026-08-06T19:39:55.155608Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T19:39:55.155608Z digest=sha256:52bd3d706c8fe620be427181769f7b84d959b17d7bd7d2e1c37abc8052440b32

Observation 65127241-23dd-49e7-81f1-7a34332aca2b · outbound

This paper cites Initial nugget evaluation results for the trec 2024 rag track with the autonuggetizer framework, 2024.

SIGIR 2025 -- LiveRAG Challenge Report Initial nugget evaluation results for the trec 2024 rag track with the autonuggetizer framework, 2024

Reference 31

Resolution
unresolved
no resolver link, observed 2026-08-06T19:39:55.265090Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T19:39:55.265090Z digest=sha256:e1e9d6bc891cf2aa6c5703c5093bcf0b1687a93e8addadf62c8cb6991e18eabd

Observation d78f384f-68b9-441b-8c34-04c1e12aefd1 · outbound

This paper cites Rank aggregation methods for the web.

SIGIR 2025 -- LiveRAG Challenge Report Rank aggregation methods for the web

Reference 32

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T19:39:56.897117Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-06T19:39:55.381290Z digest=sha256:8abdddb7082e4c8bba2fdd33bea4a71332cdc3a047d03a0ad4217c8950207df6

Pith citing papers

Observation 2421a4dc-db6b-4e29-b2b1-78201777c171 · inbound

RAGtifier: Evaluating RAG Generation Approaches of State-of-the-Art RAG Systems for the SIGIR LiveRAG Competition cites this paper.

RAGtifier: Evaluating RAG Generation Approaches of State-of-the-Art RAG Systems for the SIGIR LiveRAG Competition SIGIR 2025 -- LiveRAG Challenge Report

Reference 7

Resolution
unresolved
no resolver link, observed 2026-08-07T00:23:09.095048Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-07T00:23:09.095048Z digest=sha256:ea01b533b78c1531417b3be02cbc5a50886ef123f19047874831f00bce559044

Observation 929e8105-fc1f-492b-91b0-fe5ce1ad7e24 · inbound

RMIT-ADM+S at the SIGIR 2025 LiveRAG Challenge cites this paper.

RMIT-ADM+S at the SIGIR 2025 LiveRAG Challenge SIGIR 2025 -- LiveRAG Challenge Report

Reference 4

Resolution
verified exact
local_arxiv, observed 2026-08-07T00:22:35.319545Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-07T00:22:30.685606Z digest=sha256:18ef78f7ee63e0efe742f38b38f9aa51005f42cf14bcc3aaf0b7bf1f9ec4efca