{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:V5NLYLZZERGWPVDODZGF6MRJV6","short_pith_number":"pith:V5NLYLZZ","canonical_record":{"source":{"id":"2303.06853","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2023-03-13T04:49:06Z","cross_cats_sorted":[],"title_canon_sha256":"025e1fb5b7086427ce13fe18f872b28cf9f104c36326086f1e3126c5e77f9a2b","abstract_canon_sha256":"e497cb5b61274bae666b07132ce77b9b893e41660a71eae6676d5ef357da96e6"},"schema_version":"1.0"},"canonical_sha256":"af5abc2f39244d67d46e1e4c5f3229af8d79c87d404812582205f9c7cc4c2a17","source":{"kind":"arxiv","id":"2303.06853","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.06853","created_at":"2026-07-05T08:05:48Z"},{"alias_kind":"arxiv_version","alias_value":"2303.06853v2","created_at":"2026-07-05T08:05:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.06853","created_at":"2026-07-05T08:05:48Z"},{"alias_kind":"pith_short_12","alias_value":"V5NLYLZZERGW","created_at":"2026-07-05T08:05:48Z"},{"alias_kind":"pith_short_16","alias_value":"V5NLYLZZERGWPVDO","created_at":"2026-07-05T08:05:48Z"},{"alias_kind":"pith_short_8","alias_value":"V5NLYLZZ","created_at":"2026-07-05T08:05:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:V5NLYLZZERGWPVDODZGF6MRJV6","target":"record","payload":{"canonical_record":{"source":{"id":"2303.06853","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2023-03-13T04:49:06Z","cross_cats_sorted":[],"title_canon_sha256":"025e1fb5b7086427ce13fe18f872b28cf9f104c36326086f1e3126c5e77f9a2b","abstract_canon_sha256":"e497cb5b61274bae666b07132ce77b9b893e41660a71eae6676d5ef357da96e6"},"schema_version":"1.0"},"canonical_sha256":"af5abc2f39244d67d46e1e4c5f3229af8d79c87d404812582205f9c7cc4c2a17","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:05:48.158721Z","signature_b64":"YNO0VDWzBltnrqUl0NIAso6p/84a5PHUCKTUvwutCG17BUgNSBQxzN0utBYsa6QLIsgfnlsPNwvcnnIyljulDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"af5abc2f39244d67d46e1e4c5f3229af8d79c87d404812582205f9c7cc4c2a17","last_reissued_at":"2026-07-05T08:05:48.158272Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:05:48.158272Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2303.06853","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:05:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hQQ/B/XL2BvZaNG3DQn91QTChGeTKIvEp//Q1UnLOxQv3QIkey82yUZVJrhY0qOpARPYBAGBTn61IRhCEKnfDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T03:20:39.561368Z"},"content_sha256":"80329da1c0a7bf511236cc919dff87294ad74982d31289a45c4cc5979ba2a413","schema_version":"1.0","event_id":"sha256:80329da1c0a7bf511236cc919dff87294ad74982d31289a45c4cc5979ba2a413"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:V5NLYLZZERGWPVDODZGF6MRJV6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Representation Learning for Stack Overflow Posts: How Far are We?","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.SE","authors_text":"Bowen Xu, David Lo, Ferdian Thung, Ivana Irsan, Junda He, Kisub Kim, Ting Zhang, Zhou Xin, Zhou Yang","submitted_at":"2023-03-13T04:49:06Z","abstract_excerpt":"The tremendous success of Stack Overflow has accumulated an extensive corpus of software engineering knowledge, thus motivating researchers to propose various solutions for analyzing its content.The performance of such solutions hinges significantly on the selection of representation model for Stack Overflow posts. As the volume of literature on Stack Overflow continues to burgeon, it highlights the need for a powerful Stack Overflow post representation model and drives researchers' interest in developing specialized representation models that can adeptly capture the intricacies of Stack Overf"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.06853","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2303.06853/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:05:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jQhjBtMlwzkhiyDDnouID46cY0Cu8jodhGV0xuEiZuPbegeoQt6e3W62Nlac091SoFWzPk8SlgubPwUbukqnAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T03:20:39.561748Z"},"content_sha256":"a539ba39156d71f5f8c79c1f87ac931259cd3c2e90571b0bb9ed7105a83d25dc","schema_version":"1.0","event_id":"sha256:a539ba39156d71f5f8c79c1f87ac931259cd3c2e90571b0bb9ed7105a83d25dc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V5NLYLZZERGWPVDODZGF6MRJV6/bundle.json","state_url":"https://pith.science/pith/V5NLYLZZERGWPVDODZGF6MRJV6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V5NLYLZZERGWPVDODZGF6MRJV6/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-07-08T03:20:39Z","links":{"resolver":"https://pith.science/pith/V5NLYLZZERGWPVDODZGF6MRJV6","bundle":"https://pith.science/pith/V5NLYLZZERGWPVDODZGF6MRJV6/bundle.json","state":"https://pith.science/pith/V5NLYLZZERGWPVDODZGF6MRJV6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V5NLYLZZERGWPVDODZGF6MRJV6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:V5NLYLZZERGWPVDODZGF6MRJV6","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"e497cb5b61274bae666b07132ce77b9b893e41660a71eae6676d5ef357da96e6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2023-03-13T04:49:06Z","title_canon_sha256":"025e1fb5b7086427ce13fe18f872b28cf9f104c36326086f1e3126c5e77f9a2b"},"schema_version":"1.0","source":{"id":"2303.06853","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.06853","created_at":"2026-07-05T08:05:48Z"},{"alias_kind":"arxiv_version","alias_value":"2303.06853v2","created_at":"2026-07-05T08:05:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.06853","created_at":"2026-07-05T08:05:48Z"},{"alias_kind":"pith_short_12","alias_value":"V5NLYLZZERGW","created_at":"2026-07-05T08:05:48Z"},{"alias_kind":"pith_short_16","alias_value":"V5NLYLZZERGWPVDO","created_at":"2026-07-05T08:05:48Z"},{"alias_kind":"pith_short_8","alias_value":"V5NLYLZZ","created_at":"2026-07-05T08:05:48Z"}],"graph_snapshots":[{"event_id":"sha256:a539ba39156d71f5f8c79c1f87ac931259cd3c2e90571b0bb9ed7105a83d25dc","target":"graph","created_at":"2026-07-05T08:05:48Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2303.06853/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The tremendous success of Stack Overflow has accumulated an extensive corpus of software engineering knowledge, thus motivating researchers to propose various solutions for analyzing its content.The performance of such solutions hinges significantly on the selection of representation model for Stack Overflow posts. As the volume of literature on Stack Overflow continues to burgeon, it highlights the need for a powerful Stack Overflow post representation model and drives researchers' interest in developing specialized representation models that can adeptly capture the intricacies of Stack Overf","authors_text":"Bowen Xu, David Lo, Ferdian Thung, Ivana Irsan, Junda He, Kisub Kim, Ting Zhang, Zhou Xin, Zhou Yang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2023-03-13T04:49:06Z","title":"Representation Learning for Stack Overflow Posts: How Far are We?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.06853","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:80329da1c0a7bf511236cc919dff87294ad74982d31289a45c4cc5979ba2a413","target":"record","created_at":"2026-07-05T08:05:48Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"e497cb5b61274bae666b07132ce77b9b893e41660a71eae6676d5ef357da96e6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2023-03-13T04:49:06Z","title_canon_sha256":"025e1fb5b7086427ce13fe18f872b28cf9f104c36326086f1e3126c5e77f9a2b"},"schema_version":"1.0","source":{"id":"2303.06853","kind":"arxiv","version":2}},"canonical_sha256":"af5abc2f39244d67d46e1e4c5f3229af8d79c87d404812582205f9c7cc4c2a17","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"af5abc2f39244d67d46e1e4c5f3229af8d79c87d404812582205f9c7cc4c2a17","first_computed_at":"2026-07-05T08:05:48.158272Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:05:48.158272Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YNO0VDWzBltnrqUl0NIAso6p/84a5PHUCKTUvwutCG17BUgNSBQxzN0utBYsa6QLIsgfnlsPNwvcnnIyljulDw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:05:48.158721Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.06853","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:80329da1c0a7bf511236cc919dff87294ad74982d31289a45c4cc5979ba2a413","sha256:a539ba39156d71f5f8c79c1f87ac931259cd3c2e90571b0bb9ed7105a83d25dc"],"state_sha256":"788e1ebccb08fbcc689f7df9c9f10bc63f4ac826a9af87914d9306f0690e9534"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cCruBUm70TyLqNTqe2Yhpskug6Y4KWysbDgMyvCnPFGdXzL85/hubwwjIRvJBEuhYoankhAYH57ZyvFrtjJdBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T03:20:39.563918Z","bundle_sha256":"bd88fb42d572ee7fb70061e057c601128578ddca6c69af0816973e48aa1f4c85"}}