{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:GQ6IGPYE2RWJ3DR4FBCGHM6BSY","short_pith_number":"pith:GQ6IGPYE","canonical_record":{"source":{"id":"1005.2827","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-05-17T08:03:52Z","cross_cats_sorted":[],"title_canon_sha256":"b4cc66d57aae2e01606fa97b704e36818917e34bcf4ca902903724080be999c7","abstract_canon_sha256":"0f6ff3a82aef7507b6584a04ff18239053455b10bba8dde2cbc3d0739302025a"},"schema_version":"1.0"},"canonical_sha256":"343c833f04d46c9d8e3c284463b3c1962d638193ff2e77e62c83952f5f378092","source":{"kind":"arxiv","id":"1005.2827","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.2827","created_at":"2026-05-18T02:07:18Z"},{"alias_kind":"arxiv_version","alias_value":"1005.2827v1","created_at":"2026-05-18T02:07:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.2827","created_at":"2026-05-18T02:07:18Z"},{"alias_kind":"pith_short_12","alias_value":"GQ6IGPYE2RWJ","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"GQ6IGPYE2RWJ3DR4","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"GQ6IGPYE","created_at":"2026-05-18T12:26:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:GQ6IGPYE2RWJ3DR4FBCGHM6BSY","target":"record","payload":{"canonical_record":{"source":{"id":"1005.2827","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-05-17T08:03:52Z","cross_cats_sorted":[],"title_canon_sha256":"b4cc66d57aae2e01606fa97b704e36818917e34bcf4ca902903724080be999c7","abstract_canon_sha256":"0f6ff3a82aef7507b6584a04ff18239053455b10bba8dde2cbc3d0739302025a"},"schema_version":"1.0"},"canonical_sha256":"343c833f04d46c9d8e3c284463b3c1962d638193ff2e77e62c83952f5f378092","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:07:18.426443Z","signature_b64":"pLtth5Cap1cHkJ9Dt4JwkLR+84qzr1vq+eIx39QZaxA1ut9aRjsFp4An5psIpcsLOPZcKTonyScW5Gsp4gEACQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"343c833f04d46c9d8e3c284463b3c1962d638193ff2e77e62c83952f5f378092","last_reissued_at":"2026-05-18T02:07:18.425884Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:07:18.425884Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1005.2827","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":"2026-05-18T02:07:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Soskk4slonx3zTfED9Q1WdZu+ZJjmtIfKPhLDl3DLrcLxpY6iniZuo9Q4YuE7QtwLQIzcZr/PxORIFbmFQLbAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T03:12:48.657440Z"},"content_sha256":"d56e65ec537cd1042a87a6959f82f34780f125db5bcda5429eb4a00afd105e27","schema_version":"1.0","event_id":"sha256:d56e65ec537cd1042a87a6959f82f34780f125db5bcda5429eb4a00afd105e27"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:GQ6IGPYE2RWJ3DR4FBCGHM6BSY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evolution of Massive Protostars via Disk Accretion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Harold W. Yorke, Kazuyuki Omukai, Takashi Hosokawa","submitted_at":"2010-05-17T08:03:52Z","abstract_excerpt":"Mass accretion onto (proto-)stars at high accretion rates > 10^-4 M_sun/yr is expected in massive star formation. We study the evolution of massive protostars at such high rates by numerically solving the stellar structure equations. In this paper we examine the evolution via disk accretion. We consider a limiting case of \"cold\" disk accretion, whereby most of the stellar photosphere can radiate freely with negligible backwarming from the accretion flow, and the accreting material settles onto the star with the same specific entropy as the photosphere. We compare our results to the calculated "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.2827","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":"2026-05-18T02:07:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xc6uB3WIPhgrldYwoNpa//TKGjCIU3FqVZbJF2KB/8Y5mugzFqxeEe4t3wmaVovlI+nj/fHw4eQro7xflhF+Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T03:12:48.657815Z"},"content_sha256":"9f1769ca1540cd064d85f1b9b1f5d63c85e73d99199c0b98297d725cb4209502","schema_version":"1.0","event_id":"sha256:9f1769ca1540cd064d85f1b9b1f5d63c85e73d99199c0b98297d725cb4209502"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GQ6IGPYE2RWJ3DR4FBCGHM6BSY/bundle.json","state_url":"https://pith.science/pith/GQ6IGPYE2RWJ3DR4FBCGHM6BSY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GQ6IGPYE2RWJ3DR4FBCGHM6BSY/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":"2026-06-04T03:12:48Z","links":{"resolver":"https://pith.science/pith/GQ6IGPYE2RWJ3DR4FBCGHM6BSY","bundle":"https://pith.science/pith/GQ6IGPYE2RWJ3DR4FBCGHM6BSY/bundle.json","state":"https://pith.science/pith/GQ6IGPYE2RWJ3DR4FBCGHM6BSY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GQ6IGPYE2RWJ3DR4FBCGHM6BSY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:GQ6IGPYE2RWJ3DR4FBCGHM6BSY","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":"0f6ff3a82aef7507b6584a04ff18239053455b10bba8dde2cbc3d0739302025a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-05-17T08:03:52Z","title_canon_sha256":"b4cc66d57aae2e01606fa97b704e36818917e34bcf4ca902903724080be999c7"},"schema_version":"1.0","source":{"id":"1005.2827","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.2827","created_at":"2026-05-18T02:07:18Z"},{"alias_kind":"arxiv_version","alias_value":"1005.2827v1","created_at":"2026-05-18T02:07:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.2827","created_at":"2026-05-18T02:07:18Z"},{"alias_kind":"pith_short_12","alias_value":"GQ6IGPYE2RWJ","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"GQ6IGPYE2RWJ3DR4","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"GQ6IGPYE","created_at":"2026-05-18T12:26:07Z"}],"graph_snapshots":[{"event_id":"sha256:9f1769ca1540cd064d85f1b9b1f5d63c85e73d99199c0b98297d725cb4209502","target":"graph","created_at":"2026-05-18T02:07:18Z","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":"Mass accretion onto (proto-)stars at high accretion rates > 10^-4 M_sun/yr is expected in massive star formation. We study the evolution of massive protostars at such high rates by numerically solving the stellar structure equations. In this paper we examine the evolution via disk accretion. We consider a limiting case of \"cold\" disk accretion, whereby most of the stellar photosphere can radiate freely with negligible backwarming from the accretion flow, and the accreting material settles onto the star with the same specific entropy as the photosphere. We compare our results to the calculated ","authors_text":"Harold W. Yorke, Kazuyuki Omukai, Takashi Hosokawa","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-05-17T08:03:52Z","title":"Evolution of Massive Protostars via Disk Accretion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.2827","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:d56e65ec537cd1042a87a6959f82f34780f125db5bcda5429eb4a00afd105e27","target":"record","created_at":"2026-05-18T02:07:18Z","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":"0f6ff3a82aef7507b6584a04ff18239053455b10bba8dde2cbc3d0739302025a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-05-17T08:03:52Z","title_canon_sha256":"b4cc66d57aae2e01606fa97b704e36818917e34bcf4ca902903724080be999c7"},"schema_version":"1.0","source":{"id":"1005.2827","kind":"arxiv","version":1}},"canonical_sha256":"343c833f04d46c9d8e3c284463b3c1962d638193ff2e77e62c83952f5f378092","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"343c833f04d46c9d8e3c284463b3c1962d638193ff2e77e62c83952f5f378092","first_computed_at":"2026-05-18T02:07:18.425884Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:07:18.425884Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pLtth5Cap1cHkJ9Dt4JwkLR+84qzr1vq+eIx39QZaxA1ut9aRjsFp4An5psIpcsLOPZcKTonyScW5Gsp4gEACQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:07:18.426443Z","signed_message":"canonical_sha256_bytes"},"source_id":"1005.2827","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d56e65ec537cd1042a87a6959f82f34780f125db5bcda5429eb4a00afd105e27","sha256:9f1769ca1540cd064d85f1b9b1f5d63c85e73d99199c0b98297d725cb4209502"],"state_sha256":"290398b7aab558390244ea55023cab7ffb81cdc0c669ed94a41133b276966ff3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4cJkeCp8nGDXd5+q8HymVejfgG3AFK3kNSEN68I45J92TmEdj0YbcEqhKEHHJ00fih14Oe30IGg55WEW3haVCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T03:12:48.659750Z","bundle_sha256":"933d1fda3e89ce6ad68041fa69446726a8beb684ba3cf8e61fb1059f76a9314b"}}