{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:3RZE65PYH4TZK33LFXNCCCZ25N","short_pith_number":"pith:3RZE65PY","canonical_record":{"source":{"id":"1303.2030","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-03-08T15:44:43Z","cross_cats_sorted":[],"title_canon_sha256":"ca8e64fe8813c65ddb9940ce321b8064dd733389f78c2a591030a5334b2f000d","abstract_canon_sha256":"4dd90833a206c63a5fe65868ee2e2f33186bcabf3a9b523260ee29e5cf948d53"},"schema_version":"1.0"},"canonical_sha256":"dc724f75f83f27956f6b2dda210b3aeb4b077c05a15f727e49a4d1d87bf5c018","source":{"kind":"arxiv","id":"1303.2030","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.2030","created_at":"2026-05-18T01:51:09Z"},{"alias_kind":"arxiv_version","alias_value":"1303.2030v1","created_at":"2026-05-18T01:51:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.2030","created_at":"2026-05-18T01:51:09Z"},{"alias_kind":"pith_short_12","alias_value":"3RZE65PYH4TZ","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"3RZE65PYH4TZK33L","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"3RZE65PY","created_at":"2026-05-18T12:27:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:3RZE65PYH4TZK33LFXNCCCZ25N","target":"record","payload":{"canonical_record":{"source":{"id":"1303.2030","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-03-08T15:44:43Z","cross_cats_sorted":[],"title_canon_sha256":"ca8e64fe8813c65ddb9940ce321b8064dd733389f78c2a591030a5334b2f000d","abstract_canon_sha256":"4dd90833a206c63a5fe65868ee2e2f33186bcabf3a9b523260ee29e5cf948d53"},"schema_version":"1.0"},"canonical_sha256":"dc724f75f83f27956f6b2dda210b3aeb4b077c05a15f727e49a4d1d87bf5c018","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:09.618891Z","signature_b64":"ZLYQGjAZwZvs7a2jKN939K30XXg7BjrE2NypBHMnRZeR+GIezXN+0BIK2REd663OlmKouy20lU9EaEykgMRLCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dc724f75f83f27956f6b2dda210b3aeb4b077c05a15f727e49a4d1d87bf5c018","last_reissued_at":"2026-05-18T01:51:09.618100Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:09.618100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.2030","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":"2026-05-18T01:51:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h36NI4QHO6PLD0AZdWNgIFcbl9cPMqr7M8cJQIdP7RVoCDgP4M6wgl3xgp+1xj8+Moi6gk/Iq/6a7iFxaKD+BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T22:19:19.011852Z"},"content_sha256":"91c838948578db8879c68bc14ac245fcc377e36aa3f9b80d6b262d895d5e41b7","schema_version":"1.0","event_id":"sha256:91c838948578db8879c68bc14ac245fcc377e36aa3f9b80d6b262d895d5e41b7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:3RZE65PYH4TZK33LFXNCCCZ25N","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing the role of polycyclic aromatic hydrocarbons in the photoelectric heating within photodissociation regions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"10) ((1) Universit\\\"at zu K\\\"oln, (10) Kapteyn Astronomical Institute), (2) Centro de Astrobiolog\\'ia, 3, (3) OAN, 4), (4) Los Alamos National Laboratory, (5) Universit\\'e de Toulouse, 6), (6) CNRS, (7) IRAM, (8) ESAC, (9) SRON, Asunci\\'on Fuente (3), Carsten Kramer (7), Christine Joblin (5, David Teyssier (8), Floris F. S. van der Tak (9, Javier R. Goicoechea (2), Markus R\\\"ollig (1), Olivier Bern\\'e (5, Paolo Pilleri (2, Volker Ossenkopf (1), Yoko Okada (1)","submitted_at":"2013-03-08T15:44:43Z","abstract_excerpt":"We observationally investigate the relation between the photoelectric heating efficiency in PDRs and the charge of PAHs, which are considered to play a key role in photoelectric heating. Using PACS onboard Herschel, we observed six PDRs spanning a wide range of FUV radiation fields (G_0=100-10^5). To measure the photoelectric heating efficiency, we obtained the intensities of the main cooling lines, i.e., the [OI]63um, 145um, and [CII]158um, as well as the FIR continuum intensity. We used Spitzer/IRS spectroscopic mapping observations to investigate the MIR PAH features in the same regions. We"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.2030","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":"2026-05-18T01:51:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WRZ7qVu17tS7BZSZxIfD3qB7Apo9mitcChy1o5G++PEg3tVtwmFKZyH9Fo1RJSm5X0yMX3GVfubfJTcgFc+BAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T22:19:19.012539Z"},"content_sha256":"01c29800630bd713d800a07173a4f20a94ca89cb3aa0538101c8be4f2e295dbf","schema_version":"1.0","event_id":"sha256:01c29800630bd713d800a07173a4f20a94ca89cb3aa0538101c8be4f2e295dbf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3RZE65PYH4TZK33LFXNCCCZ25N/bundle.json","state_url":"https://pith.science/pith/3RZE65PYH4TZK33LFXNCCCZ25N/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3RZE65PYH4TZK33LFXNCCCZ25N/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":"2026-05-24T22:19:19Z","links":{"resolver":"https://pith.science/pith/3RZE65PYH4TZK33LFXNCCCZ25N","bundle":"https://pith.science/pith/3RZE65PYH4TZK33LFXNCCCZ25N/bundle.json","state":"https://pith.science/pith/3RZE65PYH4TZK33LFXNCCCZ25N/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3RZE65PYH4TZK33LFXNCCCZ25N/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:3RZE65PYH4TZK33LFXNCCCZ25N","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":"4dd90833a206c63a5fe65868ee2e2f33186bcabf3a9b523260ee29e5cf948d53","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-03-08T15:44:43Z","title_canon_sha256":"ca8e64fe8813c65ddb9940ce321b8064dd733389f78c2a591030a5334b2f000d"},"schema_version":"1.0","source":{"id":"1303.2030","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.2030","created_at":"2026-05-18T01:51:09Z"},{"alias_kind":"arxiv_version","alias_value":"1303.2030v1","created_at":"2026-05-18T01:51:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.2030","created_at":"2026-05-18T01:51:09Z"},{"alias_kind":"pith_short_12","alias_value":"3RZE65PYH4TZ","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"3RZE65PYH4TZK33L","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"3RZE65PY","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:01c29800630bd713d800a07173a4f20a94ca89cb3aa0538101c8be4f2e295dbf","target":"graph","created_at":"2026-05-18T01:51:09Z","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 observationally investigate the relation between the photoelectric heating efficiency in PDRs and the charge of PAHs, which are considered to play a key role in photoelectric heating. Using PACS onboard Herschel, we observed six PDRs spanning a wide range of FUV radiation fields (G_0=100-10^5). To measure the photoelectric heating efficiency, we obtained the intensities of the main cooling lines, i.e., the [OI]63um, 145um, and [CII]158um, as well as the FIR continuum intensity. We used Spitzer/IRS spectroscopic mapping observations to investigate the MIR PAH features in the same regions. We","authors_text":"10) ((1) Universit\\\"at zu K\\\"oln, (10) Kapteyn Astronomical Institute), (2) Centro de Astrobiolog\\'ia, 3, (3) OAN, 4), (4) Los Alamos National Laboratory, (5) Universit\\'e de Toulouse, 6), (6) CNRS, (7) IRAM, (8) ESAC, (9) SRON, Asunci\\'on Fuente (3), Carsten Kramer (7), Christine Joblin (5, David Teyssier (8), Floris F. S. van der Tak (9, Javier R. Goicoechea (2), Markus R\\\"ollig (1), Olivier Bern\\'e (5, Paolo Pilleri (2, Volker Ossenkopf (1), Yoko Okada (1)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-03-08T15:44:43Z","title":"Probing the role of polycyclic aromatic hydrocarbons in the photoelectric heating within photodissociation regions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.2030","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":"sha256:91c838948578db8879c68bc14ac245fcc377e36aa3f9b80d6b262d895d5e41b7","target":"record","created_at":"2026-05-18T01:51:09Z","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":"4dd90833a206c63a5fe65868ee2e2f33186bcabf3a9b523260ee29e5cf948d53","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-03-08T15:44:43Z","title_canon_sha256":"ca8e64fe8813c65ddb9940ce321b8064dd733389f78c2a591030a5334b2f000d"},"schema_version":"1.0","source":{"id":"1303.2030","kind":"arxiv","version":1}},"canonical_sha256":"dc724f75f83f27956f6b2dda210b3aeb4b077c05a15f727e49a4d1d87bf5c018","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dc724f75f83f27956f6b2dda210b3aeb4b077c05a15f727e49a4d1d87bf5c018","first_computed_at":"2026-05-18T01:51:09.618100Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:09.618100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZLYQGjAZwZvs7a2jKN939K30XXg7BjrE2NypBHMnRZeR+GIezXN+0BIK2REd663OlmKouy20lU9EaEykgMRLCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:09.618891Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.2030","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:91c838948578db8879c68bc14ac245fcc377e36aa3f9b80d6b262d895d5e41b7","sha256:01c29800630bd713d800a07173a4f20a94ca89cb3aa0538101c8be4f2e295dbf"],"state_sha256":"863ccb94dfa806c1ac50c2a5e9f91bccb5ec3e6910b07d14594ad49546dd7a4d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/v0KkDUaM5apmjzsXbgSTJl52DSzVJFtnRxftSWOoFNnuy+Icx3hB6PMtIKCktGyU5D4Cj6fAA3Z2GHk+1TmCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T22:19:19.015898Z","bundle_sha256":"de519dca04dacf8f8b1be6a314a81cb9aea5ff2a05a209d58afd21870ed42dfd"}}