{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:4ILKCIVPX7ML5M5CC2NMTJGBNJ","short_pith_number":"pith:4ILKCIVP","canonical_record":{"source":{"id":"1210.3035","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-10T20:00:09Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"e98b8f6d584db22baf0168584af11c1217ad0519308319bbddb28eef8b49ab92","abstract_canon_sha256":"dc7f0b71a8467e92f4d24ba4884dc19980a68fc455792295f4381c6236b7b6e1"},"schema_version":"1.0"},"canonical_sha256":"e216a122afbfd8beb3a2169ac9a4c16a47a020a9bf9c5a28129c970721ccd7e6","source":{"kind":"arxiv","id":"1210.3035","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.3035","created_at":"2026-05-18T01:54:03Z"},{"alias_kind":"arxiv_version","alias_value":"1210.3035v1","created_at":"2026-05-18T01:54:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.3035","created_at":"2026-05-18T01:54:03Z"},{"alias_kind":"pith_short_12","alias_value":"4ILKCIVPX7ML","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"4ILKCIVPX7ML5M5C","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"4ILKCIVP","created_at":"2026-05-18T12:26:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:4ILKCIVPX7ML5M5CC2NMTJGBNJ","target":"record","payload":{"canonical_record":{"source":{"id":"1210.3035","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-10T20:00:09Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"e98b8f6d584db22baf0168584af11c1217ad0519308319bbddb28eef8b49ab92","abstract_canon_sha256":"dc7f0b71a8467e92f4d24ba4884dc19980a68fc455792295f4381c6236b7b6e1"},"schema_version":"1.0"},"canonical_sha256":"e216a122afbfd8beb3a2169ac9a4c16a47a020a9bf9c5a28129c970721ccd7e6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:54:03.223340Z","signature_b64":"FG+vcty3nI2043l1fRy9fy9HKW4SUElP5agI9z6FvJVGDJo5OZOhVaC2HTFyrwVt1/eiy3Z6CzZdu+lkSvknDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e216a122afbfd8beb3a2169ac9a4c16a47a020a9bf9c5a28129c970721ccd7e6","last_reissued_at":"2026-05-18T01:54:03.222717Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:54:03.222717Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.3035","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":"2026-05-18T01:54:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u3Auq5bjgoDyUpZ6KVQYswVdKzuzOvj5IgMD7XPUgFE4bYUmCVqHqEe5h3MMhaNUye332Z1iEcgFHl0XrBBfAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T04:46:46.418281Z"},"content_sha256":"63b57e00b1319c1b90c5eb4630baa34a18832a4d60ccfe6fa8e7516f7a380f26","schema_version":"1.0","event_id":"sha256:63b57e00b1319c1b90c5eb4630baa34a18832a4d60ccfe6fa8e7516f7a380f26"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:4ILKCIVPX7ML5M5CC2NMTJGBNJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Protostellar Feedback and Final Mass of the Second-Generation Primordial Stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.CO","authors_text":"Harold W. Yorke, Kazuyuki Omukai, Naoki Yoshida, Takashi Hosokawa","submitted_at":"2012-10-10T20:00:09Z","abstract_excerpt":"The first stars in the universe ionized the ambient primordial gas through various feedback processes. \"Second-generation\" primordial stars potentially form from this disturbed gas after its recombination. In this Letter, we study the late formation stage of such second-generation stars, where a large amount of gas accretes onto the protostar and the final stellar mass is determined when the accretion terminates. We directly compute the complex interplay between the accretion flow and stellar ultraviolet (UV) radiation, performing radiation-hydrodynamic simulations coupled with stellar evoluti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.3035","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":""},"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":"2026-05-18T01:54:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PlIOBiuhEDynF9clgxpfidM2BJ6PccdNpCuPwQLodYaEH+APlD2FgnkATMrPCl8ptKJeJbODY9u3Qako33HIDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T04:46:46.418806Z"},"content_sha256":"9be49b543855b16ec2d69772489165e24c4f49c032e4e0916e42a0e0b2d27f79","schema_version":"1.0","event_id":"sha256:9be49b543855b16ec2d69772489165e24c4f49c032e4e0916e42a0e0b2d27f79"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4ILKCIVPX7ML5M5CC2NMTJGBNJ/bundle.json","state_url":"https://pith.science/pith/4ILKCIVPX7ML5M5CC2NMTJGBNJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4ILKCIVPX7ML5M5CC2NMTJGBNJ/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":"2026-06-04T04:46:46Z","links":{"resolver":"https://pith.science/pith/4ILKCIVPX7ML5M5CC2NMTJGBNJ","bundle":"https://pith.science/pith/4ILKCIVPX7ML5M5CC2NMTJGBNJ/bundle.json","state":"https://pith.science/pith/4ILKCIVPX7ML5M5CC2NMTJGBNJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4ILKCIVPX7ML5M5CC2NMTJGBNJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:4ILKCIVPX7ML5M5CC2NMTJGBNJ","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":"dc7f0b71a8467e92f4d24ba4884dc19980a68fc455792295f4381c6236b7b6e1","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-10T20:00:09Z","title_canon_sha256":"e98b8f6d584db22baf0168584af11c1217ad0519308319bbddb28eef8b49ab92"},"schema_version":"1.0","source":{"id":"1210.3035","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.3035","created_at":"2026-05-18T01:54:03Z"},{"alias_kind":"arxiv_version","alias_value":"1210.3035v1","created_at":"2026-05-18T01:54:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.3035","created_at":"2026-05-18T01:54:03Z"},{"alias_kind":"pith_short_12","alias_value":"4ILKCIVPX7ML","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"4ILKCIVPX7ML5M5C","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"4ILKCIVP","created_at":"2026-05-18T12:26:53Z"}],"graph_snapshots":[{"event_id":"sha256:9be49b543855b16ec2d69772489165e24c4f49c032e4e0916e42a0e0b2d27f79","target":"graph","created_at":"2026-05-18T01:54:03Z","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"},"paper":{"abstract_excerpt":"The first stars in the universe ionized the ambient primordial gas through various feedback processes. \"Second-generation\" primordial stars potentially form from this disturbed gas after its recombination. In this Letter, we study the late formation stage of such second-generation stars, where a large amount of gas accretes onto the protostar and the final stellar mass is determined when the accretion terminates. We directly compute the complex interplay between the accretion flow and stellar ultraviolet (UV) radiation, performing radiation-hydrodynamic simulations coupled with stellar evoluti","authors_text":"Harold W. Yorke, Kazuyuki Omukai, Naoki Yoshida, Takashi Hosokawa","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-10T20:00:09Z","title":"Protostellar Feedback and Final Mass of the Second-Generation Primordial Stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.3035","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":"sha256:63b57e00b1319c1b90c5eb4630baa34a18832a4d60ccfe6fa8e7516f7a380f26","target":"record","created_at":"2026-05-18T01:54:03Z","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":"dc7f0b71a8467e92f4d24ba4884dc19980a68fc455792295f4381c6236b7b6e1","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-10T20:00:09Z","title_canon_sha256":"e98b8f6d584db22baf0168584af11c1217ad0519308319bbddb28eef8b49ab92"},"schema_version":"1.0","source":{"id":"1210.3035","kind":"arxiv","version":1}},"canonical_sha256":"e216a122afbfd8beb3a2169ac9a4c16a47a020a9bf9c5a28129c970721ccd7e6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e216a122afbfd8beb3a2169ac9a4c16a47a020a9bf9c5a28129c970721ccd7e6","first_computed_at":"2026-05-18T01:54:03.222717Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:54:03.222717Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FG+vcty3nI2043l1fRy9fy9HKW4SUElP5agI9z6FvJVGDJo5OZOhVaC2HTFyrwVt1/eiy3Z6CzZdu+lkSvknDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:54:03.223340Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.3035","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:63b57e00b1319c1b90c5eb4630baa34a18832a4d60ccfe6fa8e7516f7a380f26","sha256:9be49b543855b16ec2d69772489165e24c4f49c032e4e0916e42a0e0b2d27f79"],"state_sha256":"8848962c64cccd47021f4f711b16be2ec1f929f90849f0c34b9ac6e94271682f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3LFpATXdxVR3efc3bXFkU7rr9LP7jxicBsG88nswikrPMGBVu1atttAqdfaZX5qLAPdnk45hgenZ8DDW+PouAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T04:46:46.421854Z","bundle_sha256":"6b4a05696a592cbdbed3cba279651ccf50fa0fd6a32fcf8a850f34ba96a3c5be"}}