{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:I6IJ7ZOZH4HNCDMXEWJ7TDHM7D","short_pith_number":"pith:I6IJ7ZOZ","canonical_record":{"source":{"id":"1309.4773","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-09-18T20:00:01Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"5a6d359392eaa792fda976b66e0a02f0b595b292a3290c7666229032e3ec3319","abstract_canon_sha256":"d0f47dec64e84ecac88ac8dd8e6d852b855fdb2baa9ec9d01f78d9a91e68b793"},"schema_version":"1.0"},"canonical_sha256":"47909fe5d93f0ed10d972593f98cecf8c239f819562192c08a6683a7907fa0b0","source":{"kind":"arxiv","id":"1309.4773","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.4773","created_at":"2026-05-18T03:12:57Z"},{"alias_kind":"arxiv_version","alias_value":"1309.4773v1","created_at":"2026-05-18T03:12:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.4773","created_at":"2026-05-18T03:12:57Z"},{"alias_kind":"pith_short_12","alias_value":"I6IJ7ZOZH4HN","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"I6IJ7ZOZH4HNCDMX","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"I6IJ7ZOZ","created_at":"2026-05-18T12:27:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:I6IJ7ZOZH4HNCDMXEWJ7TDHM7D","target":"record","payload":{"canonical_record":{"source":{"id":"1309.4773","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-09-18T20:00:01Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"5a6d359392eaa792fda976b66e0a02f0b595b292a3290c7666229032e3ec3319","abstract_canon_sha256":"d0f47dec64e84ecac88ac8dd8e6d852b855fdb2baa9ec9d01f78d9a91e68b793"},"schema_version":"1.0"},"canonical_sha256":"47909fe5d93f0ed10d972593f98cecf8c239f819562192c08a6683a7907fa0b0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:12:57.339379Z","signature_b64":"kHtv5uAjJBmcZy86+E+QePRHqcYPlpcxhSfaIuVa6+JRaUAWO+sBP5cCx7d/tlnxBo3slW1h2y5f6lTIH+8QBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"47909fe5d93f0ed10d972593f98cecf8c239f819562192c08a6683a7907fa0b0","last_reissued_at":"2026-05-18T03:12:57.338853Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:12:57.338853Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1309.4773","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":"2026-05-18T03:12:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qlsggtuSEiMee1iD0olmjpExYSCGb5Xgxttlss7lD8NfmSj27TBN9IzapWRuL2UcG3tfDDUaE2xtT85KMKlfAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T19:57:45.660357Z"},"content_sha256":"449b77ce5f489411734767362418f64785b72cb2ed87c32b400074b3f968b044","schema_version":"1.0","event_id":"sha256:449b77ce5f489411734767362418f64785b72cb2ed87c32b400074b3f968b044"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:I6IJ7ZOZH4HNCDMXEWJ7TDHM7D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Wavelength-dependent UV photodesorption of pure N2 and O2 ices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.GA","authors_text":"Claire Romanzin, Edith C. Fayolle, Harold Linnartz, Hugo A. M. Poderoso, Jean-Hugues Fillion, Karin I. \\\"Oberg, Laurent Philippe, Mathieu Bertin, Pascal Jeseck, Xavier Michaut","submitted_at":"2013-09-18T20:00:01Z","abstract_excerpt":"Ultraviolet photodesorption of molecules from icy interstellar grains can explain observations of cold gas in regions where thermal desorption is negligible. This non-thermal desorption mechanism should be especially important where UV fluxes are high. N2 and O2 are expected to play key roles in astrochemical reaction networks, both in the solid state and in the gas phase. Measurements of the wavelength-dependent photodesorption rates of these two infrared-inactive molecules provide astronomical and physical-chemical insights into the conditions required for their photodesorption. Tunable radi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.4773","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":"2026-05-18T03:12:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h3Rb+2eabeE8MO22z6QUo3IjH2nGztgymQ2g840l3lVHOq75ghEO9u2RyzeyLYk8OAzmoxnuO0sdx2uexS6uAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T19:57:45.660719Z"},"content_sha256":"9c3ab8a4f35a6213cea7b25f335f4bd97de939881add94b50e97790b47c3b0e8","schema_version":"1.0","event_id":"sha256:9c3ab8a4f35a6213cea7b25f335f4bd97de939881add94b50e97790b47c3b0e8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I6IJ7ZOZH4HNCDMXEWJ7TDHM7D/bundle.json","state_url":"https://pith.science/pith/I6IJ7ZOZH4HNCDMXEWJ7TDHM7D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I6IJ7ZOZH4HNCDMXEWJ7TDHM7D/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":"2026-05-28T19:57:45Z","links":{"resolver":"https://pith.science/pith/I6IJ7ZOZH4HNCDMXEWJ7TDHM7D","bundle":"https://pith.science/pith/I6IJ7ZOZH4HNCDMXEWJ7TDHM7D/bundle.json","state":"https://pith.science/pith/I6IJ7ZOZH4HNCDMXEWJ7TDHM7D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I6IJ7ZOZH4HNCDMXEWJ7TDHM7D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:I6IJ7ZOZH4HNCDMXEWJ7TDHM7D","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":"d0f47dec64e84ecac88ac8dd8e6d852b855fdb2baa9ec9d01f78d9a91e68b793","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-09-18T20:00:01Z","title_canon_sha256":"5a6d359392eaa792fda976b66e0a02f0b595b292a3290c7666229032e3ec3319"},"schema_version":"1.0","source":{"id":"1309.4773","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.4773","created_at":"2026-05-18T03:12:57Z"},{"alias_kind":"arxiv_version","alias_value":"1309.4773v1","created_at":"2026-05-18T03:12:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.4773","created_at":"2026-05-18T03:12:57Z"},{"alias_kind":"pith_short_12","alias_value":"I6IJ7ZOZH4HN","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"I6IJ7ZOZH4HNCDMX","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"I6IJ7ZOZ","created_at":"2026-05-18T12:27:46Z"}],"graph_snapshots":[{"event_id":"sha256:9c3ab8a4f35a6213cea7b25f335f4bd97de939881add94b50e97790b47c3b0e8","target":"graph","created_at":"2026-05-18T03:12:57Z","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":"Ultraviolet photodesorption of molecules from icy interstellar grains can explain observations of cold gas in regions where thermal desorption is negligible. This non-thermal desorption mechanism should be especially important where UV fluxes are high. N2 and O2 are expected to play key roles in astrochemical reaction networks, both in the solid state and in the gas phase. Measurements of the wavelength-dependent photodesorption rates of these two infrared-inactive molecules provide astronomical and physical-chemical insights into the conditions required for their photodesorption. Tunable radi","authors_text":"Claire Romanzin, Edith C. Fayolle, Harold Linnartz, Hugo A. M. Poderoso, Jean-Hugues Fillion, Karin I. \\\"Oberg, Laurent Philippe, Mathieu Bertin, Pascal Jeseck, Xavier Michaut","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-09-18T20:00:01Z","title":"Wavelength-dependent UV photodesorption of pure N2 and O2 ices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.4773","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":"sha256:449b77ce5f489411734767362418f64785b72cb2ed87c32b400074b3f968b044","target":"record","created_at":"2026-05-18T03:12:57Z","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":"d0f47dec64e84ecac88ac8dd8e6d852b855fdb2baa9ec9d01f78d9a91e68b793","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-09-18T20:00:01Z","title_canon_sha256":"5a6d359392eaa792fda976b66e0a02f0b595b292a3290c7666229032e3ec3319"},"schema_version":"1.0","source":{"id":"1309.4773","kind":"arxiv","version":1}},"canonical_sha256":"47909fe5d93f0ed10d972593f98cecf8c239f819562192c08a6683a7907fa0b0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"47909fe5d93f0ed10d972593f98cecf8c239f819562192c08a6683a7907fa0b0","first_computed_at":"2026-05-18T03:12:57.338853Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:12:57.338853Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kHtv5uAjJBmcZy86+E+QePRHqcYPlpcxhSfaIuVa6+JRaUAWO+sBP5cCx7d/tlnxBo3slW1h2y5f6lTIH+8QBg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:12:57.339379Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.4773","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:449b77ce5f489411734767362418f64785b72cb2ed87c32b400074b3f968b044","sha256:9c3ab8a4f35a6213cea7b25f335f4bd97de939881add94b50e97790b47c3b0e8"],"state_sha256":"ae992898cb5536356278b6b9366c734ce6d817c54710c97b72318f90fa47136d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ix5UqZu9x+9TCyClkrN7ceuIDi3mnoda5ZusxLbLGnQUjeiDnerK9DgvjFqnZfMfxen8cTGteid95cEOlSByCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T19:57:45.663347Z","bundle_sha256":"8759c4988443001e6a6f82e3e32a405a697980eb619ff9bfbffe38b7daac3d3a"}}