{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:KUWNER4JDAR4RNQQ26WT642BVY","short_pith_number":"pith:KUWNER4J","canonical_record":{"source":{"id":"0811.4096","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-25T14:30:25Z","cross_cats_sorted":[],"title_canon_sha256":"308e8c9e39fe523a5d402041e7ef571b1e77a6db54a28305a7ff06ef11cb0465","abstract_canon_sha256":"b2c4a588a339ca6ffd7012c155e2721dfd8c9fc259f07bbaa5ad49bcff1a1f25"},"schema_version":"1.0"},"canonical_sha256":"552cd247891823c8b610d7ad3f7341ae01ee64a7bf6d94dca3c17e863d79de7d","source":{"kind":"arxiv","id":"0811.4096","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.4096","created_at":"2026-05-18T04:29:24Z"},{"alias_kind":"arxiv_version","alias_value":"0811.4096v1","created_at":"2026-05-18T04:29:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.4096","created_at":"2026-05-18T04:29:24Z"},{"alias_kind":"pith_short_12","alias_value":"KUWNER4JDAR4","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"KUWNER4JDAR4RNQQ","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"KUWNER4J","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:KUWNER4JDAR4RNQQ26WT642BVY","target":"record","payload":{"canonical_record":{"source":{"id":"0811.4096","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-25T14:30:25Z","cross_cats_sorted":[],"title_canon_sha256":"308e8c9e39fe523a5d402041e7ef571b1e77a6db54a28305a7ff06ef11cb0465","abstract_canon_sha256":"b2c4a588a339ca6ffd7012c155e2721dfd8c9fc259f07bbaa5ad49bcff1a1f25"},"schema_version":"1.0"},"canonical_sha256":"552cd247891823c8b610d7ad3f7341ae01ee64a7bf6d94dca3c17e863d79de7d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:24.880406Z","signature_b64":"1NVF+UCm9Gs9gdrfgo6WOxFLu9CpEobr6DDKq0tedH/3Wf3FvDZqrJec9dafsOXYLmhu32R8snXFrxsR/uT5Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"552cd247891823c8b610d7ad3f7341ae01ee64a7bf6d94dca3c17e863d79de7d","last_reissued_at":"2026-05-18T04:29:24.879946Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:24.879946Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0811.4096","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":"2026-05-18T04:29:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gA0XlDPL1PVdf0/Yr3E4NOKJ6X0TUkw+CoZrJnkzk/21BIOMLsdOV6prZwszYvPvy/eJOfv4paFqPTt4XHa/Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T23:07:42.554903Z"},"content_sha256":"848095f3fc8bda81c0f97de6e16cd54197d961a38399e439ed473e7f857eb927","schema_version":"1.0","event_id":"sha256:848095f3fc8bda81c0f97de6e16cd54197d961a38399e439ed473e7f857eb927"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:KUWNER4JDAR4RNQQ26WT642BVY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Collapsing Hot Molecular Cores: A Model for the Dust Spectrum and Ammonia Line Emission of the G31.41+0.31 Hot Core","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Guillem Anglada (IAA-CSIC, Mayra Osorio, Mexico), Paola D'Alessio (CRyA-UNAM, Spain), Susana Lizano","submitted_at":"2008-11-25T14:30:25Z","abstract_excerpt":"We present a model aimed to reproduce the observed spectral energy distribution (SED) as well as the ammonia line emission of the G31.41+0.31 hot core. The core is modeled as an infalling envelope onto a massive star that is undergoing an intense accretion phase. We assume an envelope with a density and velocity structure resulting from the dynamical collapse of a singular logatropic sphere. The stellar and envelope physical properties are determined by fitting the SED. From these physical conditions, the ammonia line emission is calculated and compared with subarcsecond resolution VLA data of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.4096","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":"2026-05-18T04:29:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tXzkpcFWGaeOKajLOGrpRva6eL7dxDkWYgnF6e/kh4/e0dK9YriDOxtcKH7JHVbGfa2EIMs5dYE8/jSRX8/GAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T23:07:42.555553Z"},"content_sha256":"893489a59b353912f6b6f0ca91484e7a144e309c0d6cb49f99e0cbbc58a42ddb","schema_version":"1.0","event_id":"sha256:893489a59b353912f6b6f0ca91484e7a144e309c0d6cb49f99e0cbbc58a42ddb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KUWNER4JDAR4RNQQ26WT642BVY/bundle.json","state_url":"https://pith.science/pith/KUWNER4JDAR4RNQQ26WT642BVY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KUWNER4JDAR4RNQQ26WT642BVY/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":"2026-06-07T23:07:42Z","links":{"resolver":"https://pith.science/pith/KUWNER4JDAR4RNQQ26WT642BVY","bundle":"https://pith.science/pith/KUWNER4JDAR4RNQQ26WT642BVY/bundle.json","state":"https://pith.science/pith/KUWNER4JDAR4RNQQ26WT642BVY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KUWNER4JDAR4RNQQ26WT642BVY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:KUWNER4JDAR4RNQQ26WT642BVY","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":"b2c4a588a339ca6ffd7012c155e2721dfd8c9fc259f07bbaa5ad49bcff1a1f25","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-25T14:30:25Z","title_canon_sha256":"308e8c9e39fe523a5d402041e7ef571b1e77a6db54a28305a7ff06ef11cb0465"},"schema_version":"1.0","source":{"id":"0811.4096","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.4096","created_at":"2026-05-18T04:29:24Z"},{"alias_kind":"arxiv_version","alias_value":"0811.4096v1","created_at":"2026-05-18T04:29:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.4096","created_at":"2026-05-18T04:29:24Z"},{"alias_kind":"pith_short_12","alias_value":"KUWNER4JDAR4","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"KUWNER4JDAR4RNQQ","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"KUWNER4J","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:893489a59b353912f6b6f0ca91484e7a144e309c0d6cb49f99e0cbbc58a42ddb","target":"graph","created_at":"2026-05-18T04:29:24Z","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 model aimed to reproduce the observed spectral energy distribution (SED) as well as the ammonia line emission of the G31.41+0.31 hot core. The core is modeled as an infalling envelope onto a massive star that is undergoing an intense accretion phase. We assume an envelope with a density and velocity structure resulting from the dynamical collapse of a singular logatropic sphere. The stellar and envelope physical properties are determined by fitting the SED. From these physical conditions, the ammonia line emission is calculated and compared with subarcsecond resolution VLA data of","authors_text":"Guillem Anglada (IAA-CSIC, Mayra Osorio, Mexico), Paola D'Alessio (CRyA-UNAM, Spain), Susana Lizano","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-25T14:30:25Z","title":"Collapsing Hot Molecular Cores: A Model for the Dust Spectrum and Ammonia Line Emission of the G31.41+0.31 Hot Core"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.4096","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":"sha256:848095f3fc8bda81c0f97de6e16cd54197d961a38399e439ed473e7f857eb927","target":"record","created_at":"2026-05-18T04:29:24Z","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":"b2c4a588a339ca6ffd7012c155e2721dfd8c9fc259f07bbaa5ad49bcff1a1f25","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-25T14:30:25Z","title_canon_sha256":"308e8c9e39fe523a5d402041e7ef571b1e77a6db54a28305a7ff06ef11cb0465"},"schema_version":"1.0","source":{"id":"0811.4096","kind":"arxiv","version":1}},"canonical_sha256":"552cd247891823c8b610d7ad3f7341ae01ee64a7bf6d94dca3c17e863d79de7d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"552cd247891823c8b610d7ad3f7341ae01ee64a7bf6d94dca3c17e863d79de7d","first_computed_at":"2026-05-18T04:29:24.879946Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:29:24.879946Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1NVF+UCm9Gs9gdrfgo6WOxFLu9CpEobr6DDKq0tedH/3Wf3FvDZqrJec9dafsOXYLmhu32R8snXFrxsR/uT5Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:29:24.880406Z","signed_message":"canonical_sha256_bytes"},"source_id":"0811.4096","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:848095f3fc8bda81c0f97de6e16cd54197d961a38399e439ed473e7f857eb927","sha256:893489a59b353912f6b6f0ca91484e7a144e309c0d6cb49f99e0cbbc58a42ddb"],"state_sha256":"49ffb88832496e2aa6430c700a3cac823eedb203b245c0acced9dd4a979dcc0a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x6xrVmkh+9w+hWyZl1g8j1klwqXBWWLbRFAyBV1JWAW42pNKNbBgE9Apuw/98uNXNw7wGYE3JKRaUjKiBUqhBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T23:07:42.558842Z","bundle_sha256":"e2521e448f5b79a3cb05cd19fd8694bd845f850407aa765443d0d147a7c3e30f"}}