{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:SDPIJVO3Y2YB5ENY5A6LCVDZ3T","short_pith_number":"pith:SDPIJVO3","canonical_record":{"source":{"id":"1208.4358","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-08-21T20:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"d5ba55b02fdd22a799c6f272f4c8da80f922a754c6f308c1b2272368983d13f7","abstract_canon_sha256":"f22baeba29dce9a2cb2c0dfbe44d78b2d1d442c13f58b14fe2213a44a822212e"},"schema_version":"1.0"},"canonical_sha256":"90de84d5dbc6b01e91b8e83cb15479dcec57c0af7311f462ba1b1165a707e9bf","source":{"kind":"arxiv","id":"1208.4358","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.4358","created_at":"2026-05-18T03:46:30Z"},{"alias_kind":"arxiv_version","alias_value":"1208.4358v1","created_at":"2026-05-18T03:46:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.4358","created_at":"2026-05-18T03:46:30Z"},{"alias_kind":"pith_short_12","alias_value":"SDPIJVO3Y2YB","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"SDPIJVO3Y2YB5ENY","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"SDPIJVO3","created_at":"2026-05-18T12:27:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:SDPIJVO3Y2YB5ENY5A6LCVDZ3T","target":"record","payload":{"canonical_record":{"source":{"id":"1208.4358","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-08-21T20:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"d5ba55b02fdd22a799c6f272f4c8da80f922a754c6f308c1b2272368983d13f7","abstract_canon_sha256":"f22baeba29dce9a2cb2c0dfbe44d78b2d1d442c13f58b14fe2213a44a822212e"},"schema_version":"1.0"},"canonical_sha256":"90de84d5dbc6b01e91b8e83cb15479dcec57c0af7311f462ba1b1165a707e9bf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:46:30.446229Z","signature_b64":"8nEJC7DjIo32Gs/YpZEzVkSOtJJFVlDy7qDq93k+TYB4vsK0SkPrthKwp7QbfNWOaJE+2qdnPrj6g1PHP6eyAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"90de84d5dbc6b01e91b8e83cb15479dcec57c0af7311f462ba1b1165a707e9bf","last_reissued_at":"2026-05-18T03:46:30.445274Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:46:30.445274Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.4358","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":"2026-05-18T03:46:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KblSaU+qAW6Ogaii+KPnFQeBAj+JyFhjup/aAE02bXWn8smB5UjDmgp+4nAgu1vZ8Sy+gSSMXQGddNIZWJzsCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:33:41.725696Z"},"content_sha256":"dc8d447dda90c84300a02be31b1eec79acafdef9fdb2de311b7ed09bb01a521c","schema_version":"1.0","event_id":"sha256:dc8d447dda90c84300a02be31b1eec79acafdef9fdb2de311b7ed09bb01a521c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:SDPIJVO3Y2YB5ENY5A6LCVDZ3T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Submillimetric spectroscopic observations of volatiles in comet C/2004 Q2 (Machholz)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"C. Jarchow, D. Bockel\\'ee-Morvan, G. L. Villanueva, J. Crovisier, M. de Val-Borro, M. K\\\"uppers, M. Rengel, N. Biver, P. Hartogh","submitted_at":"2012-08-21T20:00:00Z","abstract_excerpt":"We aim to determine the production rates of several parent and product volatiles and the 12C/13C isotopic carbon ratio in the long-period comet C/2004 Q2 (Machholz), which is likely to originate from the Oort Cloud. The line emission from several molecules in the coma was measured with high signal-to-noise ratio in January 2005 at heliocentric distance of 1.2 AU by means of high-resolution spectroscopic observations using the Submillimeter Telescope (SMT). We have obtained production rates of several volatiles (CH3OH, HCN, H13CN, HNC, H2CO, CO and CS) by comparing the observed and simulated li"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.4358","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":"2026-05-18T03:46:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cO10meigI8qtanQ9HLs7cfpicfGIBdI6PrBufN7wzQbw/bCHAbSa2Xh2y26yby4P/coV6mdCicgYdse7rNyCCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:33:41.726369Z"},"content_sha256":"a45faf283a78ca4c39e81e7215b4849032665fcb827b8d4e63799f23a43a9031","schema_version":"1.0","event_id":"sha256:a45faf283a78ca4c39e81e7215b4849032665fcb827b8d4e63799f23a43a9031"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SDPIJVO3Y2YB5ENY5A6LCVDZ3T/bundle.json","state_url":"https://pith.science/pith/SDPIJVO3Y2YB5ENY5A6LCVDZ3T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SDPIJVO3Y2YB5ENY5A6LCVDZ3T/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":"2026-05-30T11:33:41Z","links":{"resolver":"https://pith.science/pith/SDPIJVO3Y2YB5ENY5A6LCVDZ3T","bundle":"https://pith.science/pith/SDPIJVO3Y2YB5ENY5A6LCVDZ3T/bundle.json","state":"https://pith.science/pith/SDPIJVO3Y2YB5ENY5A6LCVDZ3T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SDPIJVO3Y2YB5ENY5A6LCVDZ3T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:SDPIJVO3Y2YB5ENY5A6LCVDZ3T","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":"f22baeba29dce9a2cb2c0dfbe44d78b2d1d442c13f58b14fe2213a44a822212e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-08-21T20:00:00Z","title_canon_sha256":"d5ba55b02fdd22a799c6f272f4c8da80f922a754c6f308c1b2272368983d13f7"},"schema_version":"1.0","source":{"id":"1208.4358","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.4358","created_at":"2026-05-18T03:46:30Z"},{"alias_kind":"arxiv_version","alias_value":"1208.4358v1","created_at":"2026-05-18T03:46:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.4358","created_at":"2026-05-18T03:46:30Z"},{"alias_kind":"pith_short_12","alias_value":"SDPIJVO3Y2YB","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"SDPIJVO3Y2YB5ENY","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"SDPIJVO3","created_at":"2026-05-18T12:27:20Z"}],"graph_snapshots":[{"event_id":"sha256:a45faf283a78ca4c39e81e7215b4849032665fcb827b8d4e63799f23a43a9031","target":"graph","created_at":"2026-05-18T03:46:30Z","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 aim to determine the production rates of several parent and product volatiles and the 12C/13C isotopic carbon ratio in the long-period comet C/2004 Q2 (Machholz), which is likely to originate from the Oort Cloud. The line emission from several molecules in the coma was measured with high signal-to-noise ratio in January 2005 at heliocentric distance of 1.2 AU by means of high-resolution spectroscopic observations using the Submillimeter Telescope (SMT). We have obtained production rates of several volatiles (CH3OH, HCN, H13CN, HNC, H2CO, CO and CS) by comparing the observed and simulated li","authors_text":"C. Jarchow, D. Bockel\\'ee-Morvan, G. L. Villanueva, J. Crovisier, M. de Val-Borro, M. K\\\"uppers, M. Rengel, N. Biver, P. Hartogh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-08-21T20:00:00Z","title":"Submillimetric spectroscopic observations of volatiles in comet C/2004 Q2 (Machholz)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.4358","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:dc8d447dda90c84300a02be31b1eec79acafdef9fdb2de311b7ed09bb01a521c","target":"record","created_at":"2026-05-18T03:46:30Z","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":"f22baeba29dce9a2cb2c0dfbe44d78b2d1d442c13f58b14fe2213a44a822212e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-08-21T20:00:00Z","title_canon_sha256":"d5ba55b02fdd22a799c6f272f4c8da80f922a754c6f308c1b2272368983d13f7"},"schema_version":"1.0","source":{"id":"1208.4358","kind":"arxiv","version":1}},"canonical_sha256":"90de84d5dbc6b01e91b8e83cb15479dcec57c0af7311f462ba1b1165a707e9bf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"90de84d5dbc6b01e91b8e83cb15479dcec57c0af7311f462ba1b1165a707e9bf","first_computed_at":"2026-05-18T03:46:30.445274Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:46:30.445274Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8nEJC7DjIo32Gs/YpZEzVkSOtJJFVlDy7qDq93k+TYB4vsK0SkPrthKwp7QbfNWOaJE+2qdnPrj6g1PHP6eyAA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:46:30.446229Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.4358","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dc8d447dda90c84300a02be31b1eec79acafdef9fdb2de311b7ed09bb01a521c","sha256:a45faf283a78ca4c39e81e7215b4849032665fcb827b8d4e63799f23a43a9031"],"state_sha256":"7a18d8261f9ea7eef22d97fc8818aa9f6aa353f94b34ebe2df8afde8e561ddb1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zae91asJaYeOT3is8Wd/oo2rGZ9B/VK5pPfbaE6nzXTZPcPU6/R5/1QmRYftIgvJIB0Vda5/CBUSAjEso/BeDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T11:33:41.729902Z","bundle_sha256":"f9ef44e1bcd09e340115c61d4cf2210e5525be5da65952edb0752220acd2eee1"}}