{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:FJFXOST4S2CDEPKSKCRNHOJVIA","short_pith_number":"pith:FJFXOST4","canonical_record":{"source":{"id":"1605.06032","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-05-19T16:21:52Z","cross_cats_sorted":[],"title_canon_sha256":"d19ef8093760204fb0b3c6ab5493aeb0fed931879d03a6c631d7bb0da6da3169","abstract_canon_sha256":"d977aea4dd8565e8c927a30e56ce2ccab4cea8840e4aa9745322ae047377231c"},"schema_version":"1.0"},"canonical_sha256":"2a4b774a7c9684323d5250a2d3b93540320161e88a6279042861e1852787a45b","source":{"kind":"arxiv","id":"1605.06032","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.06032","created_at":"2026-05-18T01:14:26Z"},{"alias_kind":"arxiv_version","alias_value":"1605.06032v1","created_at":"2026-05-18T01:14:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.06032","created_at":"2026-05-18T01:14:26Z"},{"alias_kind":"pith_short_12","alias_value":"FJFXOST4S2CD","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"FJFXOST4S2CDEPKS","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"FJFXOST4","created_at":"2026-05-18T12:30:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:FJFXOST4S2CDEPKSKCRNHOJVIA","target":"record","payload":{"canonical_record":{"source":{"id":"1605.06032","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-05-19T16:21:52Z","cross_cats_sorted":[],"title_canon_sha256":"d19ef8093760204fb0b3c6ab5493aeb0fed931879d03a6c631d7bb0da6da3169","abstract_canon_sha256":"d977aea4dd8565e8c927a30e56ce2ccab4cea8840e4aa9745322ae047377231c"},"schema_version":"1.0"},"canonical_sha256":"2a4b774a7c9684323d5250a2d3b93540320161e88a6279042861e1852787a45b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:14:26.717603Z","signature_b64":"nj0Dc+aZPDGUW4LA404ZcfOM1mNbMPn0Aszudybl/+4CCikLd8K4/AKArKGot2sA3FNL0tsoJIqcHwhNqviHDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2a4b774a7c9684323d5250a2d3b93540320161e88a6279042861e1852787a45b","last_reissued_at":"2026-05-18T01:14:26.716990Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:14:26.716990Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.06032","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":"2026-05-18T01:14:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zS9D/VVUAKgT3ypZb5h+v9mcPyYsr+MQqjbiljxIARSX9uxdCoeR1rw6cfPNLOxzkI/BBR+9fWXyuSet0oC+CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:24:36.535780Z"},"content_sha256":"6008996b3f1b7e73873d8e6c05c4814ff13c4c7646a91a8fdac2e897c38fc7e2","schema_version":"1.0","event_id":"sha256:6008996b3f1b7e73873d8e6c05c4814ff13c4c7646a91a8fdac2e897c38fc7e2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:FJFXOST4S2CDEPKSKCRNHOJVIA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Characterization of aromaticity in analogues of titan's atmospheric aerosols with two-step laser desorption ionization mass spectrometry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Ahmed Mahjoub, Cyril Szopa, Guy Cernogora, Marie-Claire Gazeau, Martin Schwell, Nathalie Carrasco, Yves Benilan","submitted_at":"2016-05-19T16:21:52Z","abstract_excerpt":"The role of polycyclic aromatic hydrocarbons (PAH) and Nitrogen containing PAH (PANH) as intermediates of aerosol production in the atmosphere of Titan has been a subject of controversy for a long time. An analysis of the atmospheric emission band observed by the Visible and Infrared Mapping Spectrometer (VIMS) at 3.28 micrometer suggests the presence of neutral polycyclic aromatic species in the upper atmosphere of Titan. These molecules are seen as the counter part of negative and positive aromatics ions suspected by the Plasma Spectrometer onboard the Cassini spacecraft, but the low resolut"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.06032","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":"2026-05-18T01:14:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PJV1b4dKaUy45J0ucyNBmcm0mxTAQupBbX5/fZzoJexQneR1fFbHZmF2Wu5sywEQ+sVPWMqenBM6kx5M8AKRDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:24:36.536130Z"},"content_sha256":"5cb61ee5b0c0dd25f1e15b6aa8c45a810d67e32ef6b81b8a79a505be793dcf4c","schema_version":"1.0","event_id":"sha256:5cb61ee5b0c0dd25f1e15b6aa8c45a810d67e32ef6b81b8a79a505be793dcf4c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FJFXOST4S2CDEPKSKCRNHOJVIA/bundle.json","state_url":"https://pith.science/pith/FJFXOST4S2CDEPKSKCRNHOJVIA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FJFXOST4S2CDEPKSKCRNHOJVIA/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":"2026-05-30T12:24:36Z","links":{"resolver":"https://pith.science/pith/FJFXOST4S2CDEPKSKCRNHOJVIA","bundle":"https://pith.science/pith/FJFXOST4S2CDEPKSKCRNHOJVIA/bundle.json","state":"https://pith.science/pith/FJFXOST4S2CDEPKSKCRNHOJVIA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FJFXOST4S2CDEPKSKCRNHOJVIA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:FJFXOST4S2CDEPKSKCRNHOJVIA","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":"d977aea4dd8565e8c927a30e56ce2ccab4cea8840e4aa9745322ae047377231c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-05-19T16:21:52Z","title_canon_sha256":"d19ef8093760204fb0b3c6ab5493aeb0fed931879d03a6c631d7bb0da6da3169"},"schema_version":"1.0","source":{"id":"1605.06032","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.06032","created_at":"2026-05-18T01:14:26Z"},{"alias_kind":"arxiv_version","alias_value":"1605.06032v1","created_at":"2026-05-18T01:14:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.06032","created_at":"2026-05-18T01:14:26Z"},{"alias_kind":"pith_short_12","alias_value":"FJFXOST4S2CD","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"FJFXOST4S2CDEPKS","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"FJFXOST4","created_at":"2026-05-18T12:30:15Z"}],"graph_snapshots":[{"event_id":"sha256:5cb61ee5b0c0dd25f1e15b6aa8c45a810d67e32ef6b81b8a79a505be793dcf4c","target":"graph","created_at":"2026-05-18T01:14:26Z","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":"The role of polycyclic aromatic hydrocarbons (PAH) and Nitrogen containing PAH (PANH) as intermediates of aerosol production in the atmosphere of Titan has been a subject of controversy for a long time. An analysis of the atmospheric emission band observed by the Visible and Infrared Mapping Spectrometer (VIMS) at 3.28 micrometer suggests the presence of neutral polycyclic aromatic species in the upper atmosphere of Titan. These molecules are seen as the counter part of negative and positive aromatics ions suspected by the Plasma Spectrometer onboard the Cassini spacecraft, but the low resolut","authors_text":"Ahmed Mahjoub, Cyril Szopa, Guy Cernogora, Marie-Claire Gazeau, Martin Schwell, Nathalie Carrasco, Yves Benilan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-05-19T16:21:52Z","title":"Characterization of aromaticity in analogues of titan's atmospheric aerosols with two-step laser desorption ionization mass spectrometry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.06032","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":"sha256:6008996b3f1b7e73873d8e6c05c4814ff13c4c7646a91a8fdac2e897c38fc7e2","target":"record","created_at":"2026-05-18T01:14:26Z","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":"d977aea4dd8565e8c927a30e56ce2ccab4cea8840e4aa9745322ae047377231c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-05-19T16:21:52Z","title_canon_sha256":"d19ef8093760204fb0b3c6ab5493aeb0fed931879d03a6c631d7bb0da6da3169"},"schema_version":"1.0","source":{"id":"1605.06032","kind":"arxiv","version":1}},"canonical_sha256":"2a4b774a7c9684323d5250a2d3b93540320161e88a6279042861e1852787a45b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2a4b774a7c9684323d5250a2d3b93540320161e88a6279042861e1852787a45b","first_computed_at":"2026-05-18T01:14:26.716990Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:14:26.716990Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nj0Dc+aZPDGUW4LA404ZcfOM1mNbMPn0Aszudybl/+4CCikLd8K4/AKArKGot2sA3FNL0tsoJIqcHwhNqviHDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:14:26.717603Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.06032","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6008996b3f1b7e73873d8e6c05c4814ff13c4c7646a91a8fdac2e897c38fc7e2","sha256:5cb61ee5b0c0dd25f1e15b6aa8c45a810d67e32ef6b81b8a79a505be793dcf4c"],"state_sha256":"0e7d6898d60b7827972458d39d6ab0ff46f03882c35b47591d7a3443b8089798"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8jRvo5juA+kcYGD9Pl+FHN0Vzi3o2HEstzl4q0iYn1GFurCmYVxPbj+vPgc7D8EN5laUubYWceeFyEcaAeZ2CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T12:24:36.539167Z","bundle_sha256":"85d78544de18ec06d7828c053b1a4025b038df8d6e7b2ea4a189a0f800e74156"}}