{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:I2CGERH45KEBNDM57IMNUGSE52","short_pith_number":"pith:I2CGERH4","canonical_record":{"source":{"id":"1709.00115","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-09-01T00:30:34Z","cross_cats_sorted":[],"title_canon_sha256":"d34e5c58252b94afb8c56509de82609c9228cb99cf76ac1df2b81aa2ad1cde77","abstract_canon_sha256":"885c3016fb4f105bb0ce4bfa01284dbab5deb6b070eec9ae75b357d559c7185c"},"schema_version":"1.0"},"canonical_sha256":"46846244fcea88168d9dfa18da1a44ee8741ee68babad20bd04198c469526cb7","source":{"kind":"arxiv","id":"1709.00115","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.00115","created_at":"2026-05-18T00:25:45Z"},{"alias_kind":"arxiv_version","alias_value":"1709.00115v2","created_at":"2026-05-18T00:25:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.00115","created_at":"2026-05-18T00:25:45Z"},{"alias_kind":"pith_short_12","alias_value":"I2CGERH45KEB","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"I2CGERH45KEBNDM5","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"I2CGERH4","created_at":"2026-05-18T12:31:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:I2CGERH45KEBNDM57IMNUGSE52","target":"record","payload":{"canonical_record":{"source":{"id":"1709.00115","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-09-01T00:30:34Z","cross_cats_sorted":[],"title_canon_sha256":"d34e5c58252b94afb8c56509de82609c9228cb99cf76ac1df2b81aa2ad1cde77","abstract_canon_sha256":"885c3016fb4f105bb0ce4bfa01284dbab5deb6b070eec9ae75b357d559c7185c"},"schema_version":"1.0"},"canonical_sha256":"46846244fcea88168d9dfa18da1a44ee8741ee68babad20bd04198c469526cb7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:25:45.228460Z","signature_b64":"I8acjJ+fAxFg4tLEbY5u/s7bKDSX/kVhmXVo2wv0OdGT9EZORPwTgdmgxOln0QMC84PinmSphi69tdKkfb7ACA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"46846244fcea88168d9dfa18da1a44ee8741ee68babad20bd04198c469526cb7","last_reissued_at":"2026-05-18T00:25:45.227947Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:25:45.227947Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.00115","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":"2026-05-18T00:25:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DOy/6KVJLnGABFolNxnQ4XkC4kPtXHQv3BpwER+QUg11Ly/7FLvIejGkOVmgu/cdAouEOWzldp9tUtGceD4SCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:48:34.294300Z"},"content_sha256":"7d4ec5191754c5065085b20648ee9cc96a710778786ed2b2a08ba03032f2e280","schema_version":"1.0","event_id":"sha256:7d4ec5191754c5065085b20648ee9cc96a710778786ed2b2a08ba03032f2e280"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:I2CGERH45KEBNDM57IMNUGSE52","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Model for Quantum Effects in Stellar Collapse","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Bruno Arderucio-Costa, William Unruh","submitted_at":"2017-09-01T00:30:34Z","abstract_excerpt":"We present a simple model for stellar collapse and evaluate the quantum mechanical stress-energy tensor to argue that quantum effects do not play an important role for the collapse of astrophysical objects."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.00115","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":""},"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":"2026-05-18T00:25:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"znbCBdj3oG1SYBBoN6xPXrIEo0suQemATnIRvWXugEuEjCiUcLRBJHSi1Sa/jAT72f668XFEV+/FbSBq/shYCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:48:34.295054Z"},"content_sha256":"a11ab67eeaf7e8317e33e4e5b83132dd775c066b38d3621e809ebf5b7c616596","schema_version":"1.0","event_id":"sha256:a11ab67eeaf7e8317e33e4e5b83132dd775c066b38d3621e809ebf5b7c616596"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I2CGERH45KEBNDM57IMNUGSE52/bundle.json","state_url":"https://pith.science/pith/I2CGERH45KEBNDM57IMNUGSE52/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I2CGERH45KEBNDM57IMNUGSE52/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":"2026-08-03T18:48:34Z","links":{"resolver":"https://pith.science/pith/I2CGERH45KEBNDM57IMNUGSE52","bundle":"https://pith.science/pith/I2CGERH45KEBNDM57IMNUGSE52/bundle.json","state":"https://pith.science/pith/I2CGERH45KEBNDM57IMNUGSE52/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I2CGERH45KEBNDM57IMNUGSE52/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:I2CGERH45KEBNDM57IMNUGSE52","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":"885c3016fb4f105bb0ce4bfa01284dbab5deb6b070eec9ae75b357d559c7185c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-09-01T00:30:34Z","title_canon_sha256":"d34e5c58252b94afb8c56509de82609c9228cb99cf76ac1df2b81aa2ad1cde77"},"schema_version":"1.0","source":{"id":"1709.00115","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.00115","created_at":"2026-05-18T00:25:45Z"},{"alias_kind":"arxiv_version","alias_value":"1709.00115v2","created_at":"2026-05-18T00:25:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.00115","created_at":"2026-05-18T00:25:45Z"},{"alias_kind":"pith_short_12","alias_value":"I2CGERH45KEB","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"I2CGERH45KEBNDM5","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"I2CGERH4","created_at":"2026-05-18T12:31:21Z"}],"graph_snapshots":[{"event_id":"sha256:a11ab67eeaf7e8317e33e4e5b83132dd775c066b38d3621e809ebf5b7c616596","target":"graph","created_at":"2026-05-18T00:25:45Z","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":"We present a simple model for stellar collapse and evaluate the quantum mechanical stress-energy tensor to argue that quantum effects do not play an important role for the collapse of astrophysical objects.","authors_text":"Bruno Arderucio-Costa, William Unruh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-09-01T00:30:34Z","title":"Model for Quantum Effects in Stellar Collapse"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.00115","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":"sha256:7d4ec5191754c5065085b20648ee9cc96a710778786ed2b2a08ba03032f2e280","target":"record","created_at":"2026-05-18T00:25:45Z","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":"885c3016fb4f105bb0ce4bfa01284dbab5deb6b070eec9ae75b357d559c7185c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-09-01T00:30:34Z","title_canon_sha256":"d34e5c58252b94afb8c56509de82609c9228cb99cf76ac1df2b81aa2ad1cde77"},"schema_version":"1.0","source":{"id":"1709.00115","kind":"arxiv","version":2}},"canonical_sha256":"46846244fcea88168d9dfa18da1a44ee8741ee68babad20bd04198c469526cb7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"46846244fcea88168d9dfa18da1a44ee8741ee68babad20bd04198c469526cb7","first_computed_at":"2026-05-18T00:25:45.227947Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:25:45.227947Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"I8acjJ+fAxFg4tLEbY5u/s7bKDSX/kVhmXVo2wv0OdGT9EZORPwTgdmgxOln0QMC84PinmSphi69tdKkfb7ACA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:25:45.228460Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.00115","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7d4ec5191754c5065085b20648ee9cc96a710778786ed2b2a08ba03032f2e280","sha256:a11ab67eeaf7e8317e33e4e5b83132dd775c066b38d3621e809ebf5b7c616596"],"state_sha256":"04b3f6b8fe4aa8a8912a79b606f7d26547bf6c2f3c48f231e5fb2dd87d128284"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bM+hH4rd3AZ+yVbu40MBpqKdhkb2CiOsThXwaBwNLR+0vXROKLnXmkrT3JjZ/sM8M6SGeEp2mMyxFOsKuq0PDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T18:48:34.300770Z","bundle_sha256":"af229a308de031e2dbbff8560400cf1fb99bbb3b2c9235d52594556e0f3cafa5"}}