{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:JQFARNKP5EPAH5PSNMZENL2GKM","short_pith_number":"pith:JQFARNKP","canonical_record":{"source":{"id":"2606.21105","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-06-19T05:15:18Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"da6e1cb9414808c8095fe006cfdfa46f9335c61849c0dbec4caf50d8b0842129","abstract_canon_sha256":"15993a8176241f3e2d4035df89244060d07cef9361bebf64c82886b157020091"},"schema_version":"1.0"},"canonical_sha256":"4c0a08b54fe91e03f5f26b3246af465335f31bf3ce1f2878342d4e065b105c04","source":{"kind":"arxiv","id":"2606.21105","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.21105","created_at":"2026-06-23T01:12:30Z"},{"alias_kind":"arxiv_version","alias_value":"2606.21105v1","created_at":"2026-06-23T01:12:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.21105","created_at":"2026-06-23T01:12:30Z"},{"alias_kind":"pith_short_12","alias_value":"JQFARNKP5EPA","created_at":"2026-06-23T01:12:30Z"},{"alias_kind":"pith_short_16","alias_value":"JQFARNKP5EPAH5PS","created_at":"2026-06-23T01:12:30Z"},{"alias_kind":"pith_short_8","alias_value":"JQFARNKP","created_at":"2026-06-23T01:12:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:JQFARNKP5EPAH5PSNMZENL2GKM","target":"record","payload":{"canonical_record":{"source":{"id":"2606.21105","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-06-19T05:15:18Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"da6e1cb9414808c8095fe006cfdfa46f9335c61849c0dbec4caf50d8b0842129","abstract_canon_sha256":"15993a8176241f3e2d4035df89244060d07cef9361bebf64c82886b157020091"},"schema_version":"1.0"},"canonical_sha256":"4c0a08b54fe91e03f5f26b3246af465335f31bf3ce1f2878342d4e065b105c04","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-23T01:12:30.146476Z","signature_b64":"GKfE3nNGA78xJwx2y3E5dhaYhl0gbkbkjp4Zd08DMXQl5HDdS3Qgfmkj7hnIQctM6Woqz7ZUcnj4NNfZThUKBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4c0a08b54fe91e03f5f26b3246af465335f31bf3ce1f2878342d4e065b105c04","last_reissued_at":"2026-06-23T01:12:30.145920Z","signature_status":"signed_v1","first_computed_at":"2026-06-23T01:12:30.145920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.21105","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-23T01:12:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f9d2BJW6UpkHFhO09vJX+nHajLdv2WbxETwtDrid2LWLGs6WOf90dhqeA2OqP8Jpwi03OBtmLaS8UWEmFtd2AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T22:24:52.807750Z"},"content_sha256":"fab2d0db77b10cb6c824647795f46ec535d79b08bd373311eb2a955ab49cc7fc","schema_version":"1.0","event_id":"sha256:fab2d0db77b10cb6c824647795f46ec535d79b08bd373311eb2a955ab49cc7fc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:JQFARNKP5EPAH5PSNMZENL2GKM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Little Red Dots as Supermassive Analogs of SS 433","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"Hai-Cheng Feng, Jianfeng Wu, Junfeng Wang, Luis C. Ho, Manqi Fu, Mouyuan Sun, Roberto Maiolino, Shuying Zhou, Tong Liu, Wei-Min Gu, Xihan Ji, Ya-Ping Li, Yongquan Xue, Zhen-Yi Cai","submitted_at":"2026-06-19T05:15:18Z","abstract_excerpt":"High-redshift little red dots (LRDs) are compact sources characterized by V-shaped spectral energy distributions (SEDs), broad emission lines, and often prominent Balmer breaks. Their high number density and apparently large black hole masses suggest that they are essential to the early evolution of galaxies and supermassive black holes (SMBHs); however, the nature of their central engines remains uncertain. Here, we propose that LRDs are the supermassive, high-redshift analogs of the hyper-Eddington accreting Galactic microquasar SS~433, viewed at high inclinations. By scaling the hyper-Eddin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.21105","kind":"arxiv","version":1},"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/2606.21105/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":"2026-06-23T01:12:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tFK1mCi6zNy7uVKKnAIvi5wllmIaSU4Y9tR/MyyO02cELvndtPRD+e5ZjI6g06QKbChRcIO2W126jKlaxn8eBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T22:24:52.808167Z"},"content_sha256":"f8d605a2d01bc64f575ffea3aa9b1efc1c4ca756722bfb763a2faa186610e05b","schema_version":"1.0","event_id":"sha256:f8d605a2d01bc64f575ffea3aa9b1efc1c4ca756722bfb763a2faa186610e05b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JQFARNKP5EPAH5PSNMZENL2GKM/bundle.json","state_url":"https://pith.science/pith/JQFARNKP5EPAH5PSNMZENL2GKM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JQFARNKP5EPAH5PSNMZENL2GKM/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":"2026-06-26T22:24:52Z","links":{"resolver":"https://pith.science/pith/JQFARNKP5EPAH5PSNMZENL2GKM","bundle":"https://pith.science/pith/JQFARNKP5EPAH5PSNMZENL2GKM/bundle.json","state":"https://pith.science/pith/JQFARNKP5EPAH5PSNMZENL2GKM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JQFARNKP5EPAH5PSNMZENL2GKM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:JQFARNKP5EPAH5PSNMZENL2GKM","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":"15993a8176241f3e2d4035df89244060d07cef9361bebf64c82886b157020091","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-06-19T05:15:18Z","title_canon_sha256":"da6e1cb9414808c8095fe006cfdfa46f9335c61849c0dbec4caf50d8b0842129"},"schema_version":"1.0","source":{"id":"2606.21105","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.21105","created_at":"2026-06-23T01:12:30Z"},{"alias_kind":"arxiv_version","alias_value":"2606.21105v1","created_at":"2026-06-23T01:12:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.21105","created_at":"2026-06-23T01:12:30Z"},{"alias_kind":"pith_short_12","alias_value":"JQFARNKP5EPA","created_at":"2026-06-23T01:12:30Z"},{"alias_kind":"pith_short_16","alias_value":"JQFARNKP5EPAH5PS","created_at":"2026-06-23T01:12:30Z"},{"alias_kind":"pith_short_8","alias_value":"JQFARNKP","created_at":"2026-06-23T01:12:30Z"}],"graph_snapshots":[{"event_id":"sha256:f8d605a2d01bc64f575ffea3aa9b1efc1c4ca756722bfb763a2faa186610e05b","target":"graph","created_at":"2026-06-23T01:12:30Z","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/2606.21105/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"High-redshift little red dots (LRDs) are compact sources characterized by V-shaped spectral energy distributions (SEDs), broad emission lines, and often prominent Balmer breaks. Their high number density and apparently large black hole masses suggest that they are essential to the early evolution of galaxies and supermassive black holes (SMBHs); however, the nature of their central engines remains uncertain. Here, we propose that LRDs are the supermassive, high-redshift analogs of the hyper-Eddington accreting Galactic microquasar SS~433, viewed at high inclinations. By scaling the hyper-Eddin","authors_text":"Hai-Cheng Feng, Jianfeng Wu, Junfeng Wang, Luis C. Ho, Manqi Fu, Mouyuan Sun, Roberto Maiolino, Shuying Zhou, Tong Liu, Wei-Min Gu, Xihan Ji, Ya-Ping Li, Yongquan Xue, Zhen-Yi Cai","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-06-19T05:15:18Z","title":"Little Red Dots as Supermassive Analogs of SS 433"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.21105","kind":"arxiv","version":1},"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:fab2d0db77b10cb6c824647795f46ec535d79b08bd373311eb2a955ab49cc7fc","target":"record","created_at":"2026-06-23T01:12:30Z","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":"15993a8176241f3e2d4035df89244060d07cef9361bebf64c82886b157020091","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-06-19T05:15:18Z","title_canon_sha256":"da6e1cb9414808c8095fe006cfdfa46f9335c61849c0dbec4caf50d8b0842129"},"schema_version":"1.0","source":{"id":"2606.21105","kind":"arxiv","version":1}},"canonical_sha256":"4c0a08b54fe91e03f5f26b3246af465335f31bf3ce1f2878342d4e065b105c04","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4c0a08b54fe91e03f5f26b3246af465335f31bf3ce1f2878342d4e065b105c04","first_computed_at":"2026-06-23T01:12:30.145920Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-23T01:12:30.145920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GKfE3nNGA78xJwx2y3E5dhaYhl0gbkbkjp4Zd08DMXQl5HDdS3Qgfmkj7hnIQctM6Woqz7ZUcnj4NNfZThUKBA==","signature_status":"signed_v1","signed_at":"2026-06-23T01:12:30.146476Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.21105","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fab2d0db77b10cb6c824647795f46ec535d79b08bd373311eb2a955ab49cc7fc","sha256:f8d605a2d01bc64f575ffea3aa9b1efc1c4ca756722bfb763a2faa186610e05b"],"state_sha256":"677316a647f996bd2cab0b5c137801e92d1b60577f87d0dedf80a388c56444f2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2xL87b9/H+MN5x8ZysB+6QPrRnwQP+CY47FJ4jug2P4N80BTLj5sZcjBf1mntc6VY7hGDl7D/a/9JJOR2g4WAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T22:24:52.810063Z","bundle_sha256":"77024034abc0b5964d5ce0a97f2b9f5d125146752a73009e795990088674dffc"}}