{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:SMER5V4OJRS4TWDSYF52XS2CTW","short_pith_number":"pith:SMER5V4O","canonical_record":{"source":{"id":"2209.05229","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-09-12T13:26:48Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"5e757e8870a1044d117ecc82ccb129297faf9141b9fb74ae1309d81d334fb094","abstract_canon_sha256":"e4f8d215402a4e6d5f5a891083f5566d5d719949099f11312b953b2f54e7fea2"},"schema_version":"1.0"},"canonical_sha256":"93091ed78e4c65c9d872c17babcb429da557d6b7c9bb8661d1690b5305366f37","source":{"kind":"arxiv","id":"2209.05229","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.05229","created_at":"2026-07-05T04:56:28Z"},{"alias_kind":"arxiv_version","alias_value":"2209.05229v1","created_at":"2026-07-05T04:56:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.05229","created_at":"2026-07-05T04:56:28Z"},{"alias_kind":"pith_short_12","alias_value":"SMER5V4OJRS4","created_at":"2026-07-05T04:56:28Z"},{"alias_kind":"pith_short_16","alias_value":"SMER5V4OJRS4TWDS","created_at":"2026-07-05T04:56:28Z"},{"alias_kind":"pith_short_8","alias_value":"SMER5V4O","created_at":"2026-07-05T04:56:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:SMER5V4OJRS4TWDSYF52XS2CTW","target":"record","payload":{"canonical_record":{"source":{"id":"2209.05229","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-09-12T13:26:48Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"5e757e8870a1044d117ecc82ccb129297faf9141b9fb74ae1309d81d334fb094","abstract_canon_sha256":"e4f8d215402a4e6d5f5a891083f5566d5d719949099f11312b953b2f54e7fea2"},"schema_version":"1.0"},"canonical_sha256":"93091ed78e4c65c9d872c17babcb429da557d6b7c9bb8661d1690b5305366f37","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:56:28.328630Z","signature_b64":"1SFmGiGJAkyTzYZYGRCoW2DjIoNBVPagoPtE+rQ+RZOBhhZyE4oYCyVXk/uQ5jPd909Xv1U9tpCeUiIUCC+4Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"93091ed78e4c65c9d872c17babcb429da557d6b7c9bb8661d1690b5305366f37","last_reissued_at":"2026-07-05T04:56:28.328100Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:56:28.328100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2209.05229","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":"2026-07-05T04:56:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AraKZ72nn2ZFPGj+WJEto5ugHf1Tn5yAbZMkudQ3Yra/bCjwIFOPQB4GiWfvLr7dLMofCcb3htdK/UhWI+i7CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T11:55:37.500036Z"},"content_sha256":"0cb429345ab845e4399bbad1160bacfab1838609daead7c840cac554841be854","schema_version":"1.0","event_id":"sha256:0cb429345ab845e4399bbad1160bacfab1838609daead7c840cac554841be854"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:SMER5V4OJRS4TWDSYF52XS2CTW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Resilience of small PAHs in interstellar clouds: Efficient stabilization of cyanonaphthalene by fast radiative cooling","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"astro-ph.GA","authors_text":"Boxing Zhu, Henning T. Schmidt, Henning Zettergren, Henrik Cederquist, James N. Bull, Jos\\'e E. Navarro Navarrete, Mark H. Stockett, MingChao Ji, Suvasthika Indrajith","submitted_at":"2022-09-12T13:26:48Z","abstract_excerpt":"After decades of speculation and searching, astronomers have recently identified specific Polycyclic Aromatic Hydrocarbons (PAHs) in space. Remarkably, the observed abundance of cyanonaphthalene (CNN, C10H7CN) in the Taurus Molecular Cloud (TMC-1) is six orders of magnitude higher than expected from astrophysical modeling. Here, we report absolute unimolecular dissociation and radiative cooling rate coefficients of the 1-CNN isomer in its cationic form. These results are based on measurements of the time-dependent neutral product emission rate and Kinetic Energy Release distributions produced "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.05229","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2209.05229/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T04:56:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EXUn/v3u2+z4LMOS8+h71H7VBUyMcjHVIgRz1XenVmwdpb7fLsNNOeiM2pGoivo1crWmx0plmBFGGyqpy7IWAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T11:55:37.500532Z"},"content_sha256":"cbab3bf94ca144f453a6e3f3f7ccca2a8514f4eb39d1e49ace6aee1167510785","schema_version":"1.0","event_id":"sha256:cbab3bf94ca144f453a6e3f3f7ccca2a8514f4eb39d1e49ace6aee1167510785"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SMER5V4OJRS4TWDSYF52XS2CTW/bundle.json","state_url":"https://pith.science/pith/SMER5V4OJRS4TWDSYF52XS2CTW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SMER5V4OJRS4TWDSYF52XS2CTW/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":"2026-08-23T11:55:37Z","links":{"resolver":"https://pith.science/pith/SMER5V4OJRS4TWDSYF52XS2CTW","bundle":"https://pith.science/pith/SMER5V4OJRS4TWDSYF52XS2CTW/bundle.json","state":"https://pith.science/pith/SMER5V4OJRS4TWDSYF52XS2CTW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SMER5V4OJRS4TWDSYF52XS2CTW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:SMER5V4OJRS4TWDSYF52XS2CTW","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":"e4f8d215402a4e6d5f5a891083f5566d5d719949099f11312b953b2f54e7fea2","cross_cats_sorted":["physics.chem-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-09-12T13:26:48Z","title_canon_sha256":"5e757e8870a1044d117ecc82ccb129297faf9141b9fb74ae1309d81d334fb094"},"schema_version":"1.0","source":{"id":"2209.05229","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.05229","created_at":"2026-07-05T04:56:28Z"},{"alias_kind":"arxiv_version","alias_value":"2209.05229v1","created_at":"2026-07-05T04:56:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.05229","created_at":"2026-07-05T04:56:28Z"},{"alias_kind":"pith_short_12","alias_value":"SMER5V4OJRS4","created_at":"2026-07-05T04:56:28Z"},{"alias_kind":"pith_short_16","alias_value":"SMER5V4OJRS4TWDS","created_at":"2026-07-05T04:56:28Z"},{"alias_kind":"pith_short_8","alias_value":"SMER5V4O","created_at":"2026-07-05T04:56:28Z"}],"graph_snapshots":[{"event_id":"sha256:cbab3bf94ca144f453a6e3f3f7ccca2a8514f4eb39d1e49ace6aee1167510785","target":"graph","created_at":"2026-07-05T04:56:28Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2209.05229/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"After decades of speculation and searching, astronomers have recently identified specific Polycyclic Aromatic Hydrocarbons (PAHs) in space. Remarkably, the observed abundance of cyanonaphthalene (CNN, C10H7CN) in the Taurus Molecular Cloud (TMC-1) is six orders of magnitude higher than expected from astrophysical modeling. Here, we report absolute unimolecular dissociation and radiative cooling rate coefficients of the 1-CNN isomer in its cationic form. These results are based on measurements of the time-dependent neutral product emission rate and Kinetic Energy Release distributions produced ","authors_text":"Boxing Zhu, Henning T. Schmidt, Henning Zettergren, Henrik Cederquist, James N. Bull, Jos\\'e E. Navarro Navarrete, Mark H. Stockett, MingChao Ji, Suvasthika Indrajith","cross_cats":["physics.chem-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-09-12T13:26:48Z","title":"Resilience of small PAHs in interstellar clouds: Efficient stabilization of cyanonaphthalene by fast radiative cooling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.05229","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":"sha256:0cb429345ab845e4399bbad1160bacfab1838609daead7c840cac554841be854","target":"record","created_at":"2026-07-05T04:56:28Z","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":"e4f8d215402a4e6d5f5a891083f5566d5d719949099f11312b953b2f54e7fea2","cross_cats_sorted":["physics.chem-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-09-12T13:26:48Z","title_canon_sha256":"5e757e8870a1044d117ecc82ccb129297faf9141b9fb74ae1309d81d334fb094"},"schema_version":"1.0","source":{"id":"2209.05229","kind":"arxiv","version":1}},"canonical_sha256":"93091ed78e4c65c9d872c17babcb429da557d6b7c9bb8661d1690b5305366f37","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"93091ed78e4c65c9d872c17babcb429da557d6b7c9bb8661d1690b5305366f37","first_computed_at":"2026-07-05T04:56:28.328100Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:56:28.328100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1SFmGiGJAkyTzYZYGRCoW2DjIoNBVPagoPtE+rQ+RZOBhhZyE4oYCyVXk/uQ5jPd909Xv1U9tpCeUiIUCC+4Bw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:56:28.328630Z","signed_message":"canonical_sha256_bytes"},"source_id":"2209.05229","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0cb429345ab845e4399bbad1160bacfab1838609daead7c840cac554841be854","sha256:cbab3bf94ca144f453a6e3f3f7ccca2a8514f4eb39d1e49ace6aee1167510785"],"state_sha256":"c0bb78764b92efe0dc35f325359a3f9a84b50ceafff6e5c6450bcd1bfc62aa5f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2rUkk/yt3ozkGq/QCgJ47TBBSYnsDhtOkf5DwR/g0rPveERLQN7anwCXwV7Pg0oCguBdZ6dRVZUUGLcZ2U6pAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T11:55:37.504180Z","bundle_sha256":"778ba4352c8692918ebf5dd2f06cc48d661c139553eaae56d48e70925fb6c2fe"}}