{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:QUNPXRUCORJC64YYBHK7MTKHRP","short_pith_number":"pith:QUNPXRUC","canonical_record":{"source":{"id":"1404.4869","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-04-18T20:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"849843718c5f34a922cb6ae5fd40e3144b74d3b2757371d5b89bb7bc4f4d50f6","abstract_canon_sha256":"7d34c2d6e52b300a8cb85e32cdec8da7a0c2076625004c74bac58b8b686ec49d"},"schema_version":"1.0"},"canonical_sha256":"851afbc68274522f731809d5f64d478bf2afce0aa8556b93a5664e56cb6368f8","source":{"kind":"arxiv","id":"1404.4869","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.4869","created_at":"2026-05-18T02:53:54Z"},{"alias_kind":"arxiv_version","alias_value":"1404.4869v1","created_at":"2026-05-18T02:53:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.4869","created_at":"2026-05-18T02:53:54Z"},{"alias_kind":"pith_short_12","alias_value":"QUNPXRUCORJC","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"QUNPXRUCORJC64YY","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"QUNPXRUC","created_at":"2026-05-18T12:28:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:QUNPXRUCORJC64YYBHK7MTKHRP","target":"record","payload":{"canonical_record":{"source":{"id":"1404.4869","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-04-18T20:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"849843718c5f34a922cb6ae5fd40e3144b74d3b2757371d5b89bb7bc4f4d50f6","abstract_canon_sha256":"7d34c2d6e52b300a8cb85e32cdec8da7a0c2076625004c74bac58b8b686ec49d"},"schema_version":"1.0"},"canonical_sha256":"851afbc68274522f731809d5f64d478bf2afce0aa8556b93a5664e56cb6368f8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:53:54.648313Z","signature_b64":"8uh/khI/yg1idNmQZmNFkVT+O008VElaeG0bI7Sq6YTj/ziasdcGi62zQRFN+Ov9Jc6AwfFOYJ1ZUQ1XjNgZAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"851afbc68274522f731809d5f64d478bf2afce0aa8556b93a5664e56cb6368f8","last_reissued_at":"2026-05-18T02:53:54.647514Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:53:54.647514Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1404.4869","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":"2026-05-18T02:53:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fT1f59ooIlPOQy5PhoX3AnAppUwv3rbYbG6++R0tO3lXQ4B3CZNrgYI2nDuI74xS6f4wW3Xs2meFZjR5B4I0CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T22:50:01.543767Z"},"content_sha256":"c8b0fc6a9057d951e7f5f51b79edb257ec4b82a1a2faca7739eda264c149662a","schema_version":"1.0","event_id":"sha256:c8b0fc6a9057d951e7f5f51b79edb257ec4b82a1a2faca7739eda264c149662a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:QUNPXRUCORJC64YYBHK7MTKHRP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Herschel observations of gas and dust in comet C/2006 W3 (Christensen) at 5 AU from the Sun","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"B. M. Swinyard, B. Vandenbussche, C. Jarchow, C. Opitom, C. Waelkens, D. Bockel\\'ee-Morvan, D. C. Lis, D. Hutsem\\'ekers, D. Teyssier, E. Jehin, J. Crovisier, J. Manfroid, L. M. Lara, L. Rezac, M. de Val-Borro, M. Kidger, M. K\\\"uppers, M. Rengel, N. Biver, P. Hartogh, S. Szutowicz, Th. de Graauw","submitted_at":"2014-04-18T20:00:00Z","abstract_excerpt":"We aimed to measure the H2O and dust production rates in C/2006 W3 (Christensen) with the Herschel Space Observatory at a heliocentric distance of ~ 5 AU. We have searched for emission in the H2O and NH3 ground-state rotational transitions at 557 GHz and 572 GHz, simultaneously, with HIFI onboard Herschel on UT 1.5 September 2010. Photometric observations of the dust coma in the 70 and 160 {\\mu}m channels were acquired with the PACS instrument on UT 26.5 August 2010. A tentative 4-{\\sigma} H2O line emission feature was found in the spectra obtained with the HIFI wide-band and high-resolution s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.4869","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":"2026-05-18T02:53:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OSf1uQ/1syxJb4T4mbkVE5jDMo6ejGMC/NjsaPKmDZ2KZ5iV34Vg59MTwJDDcrAW8NpW+81TOAr53CEx3+xDDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T22:50:01.544122Z"},"content_sha256":"5e3e001eb0f92442779d19378a77d38ca2e6f9e46c7c8483b0e08c4e49333579","schema_version":"1.0","event_id":"sha256:5e3e001eb0f92442779d19378a77d38ca2e6f9e46c7c8483b0e08c4e49333579"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QUNPXRUCORJC64YYBHK7MTKHRP/bundle.json","state_url":"https://pith.science/pith/QUNPXRUCORJC64YYBHK7MTKHRP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QUNPXRUCORJC64YYBHK7MTKHRP/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":"2026-05-19T22:50:01Z","links":{"resolver":"https://pith.science/pith/QUNPXRUCORJC64YYBHK7MTKHRP","bundle":"https://pith.science/pith/QUNPXRUCORJC64YYBHK7MTKHRP/bundle.json","state":"https://pith.science/pith/QUNPXRUCORJC64YYBHK7MTKHRP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QUNPXRUCORJC64YYBHK7MTKHRP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:QUNPXRUCORJC64YYBHK7MTKHRP","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":"7d34c2d6e52b300a8cb85e32cdec8da7a0c2076625004c74bac58b8b686ec49d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-04-18T20:00:00Z","title_canon_sha256":"849843718c5f34a922cb6ae5fd40e3144b74d3b2757371d5b89bb7bc4f4d50f6"},"schema_version":"1.0","source":{"id":"1404.4869","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.4869","created_at":"2026-05-18T02:53:54Z"},{"alias_kind":"arxiv_version","alias_value":"1404.4869v1","created_at":"2026-05-18T02:53:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.4869","created_at":"2026-05-18T02:53:54Z"},{"alias_kind":"pith_short_12","alias_value":"QUNPXRUCORJC","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"QUNPXRUCORJC64YY","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"QUNPXRUC","created_at":"2026-05-18T12:28:46Z"}],"graph_snapshots":[{"event_id":"sha256:5e3e001eb0f92442779d19378a77d38ca2e6f9e46c7c8483b0e08c4e49333579","target":"graph","created_at":"2026-05-18T02:53:54Z","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 aimed to measure the H2O and dust production rates in C/2006 W3 (Christensen) with the Herschel Space Observatory at a heliocentric distance of ~ 5 AU. We have searched for emission in the H2O and NH3 ground-state rotational transitions at 557 GHz and 572 GHz, simultaneously, with HIFI onboard Herschel on UT 1.5 September 2010. Photometric observations of the dust coma in the 70 and 160 {\\mu}m channels were acquired with the PACS instrument on UT 26.5 August 2010. A tentative 4-{\\sigma} H2O line emission feature was found in the spectra obtained with the HIFI wide-band and high-resolution s","authors_text":"B. M. Swinyard, B. Vandenbussche, C. Jarchow, C. Opitom, C. Waelkens, D. Bockel\\'ee-Morvan, D. C. Lis, D. Hutsem\\'ekers, D. Teyssier, E. Jehin, J. Crovisier, J. Manfroid, L. M. Lara, L. Rezac, M. de Val-Borro, M. Kidger, M. K\\\"uppers, M. Rengel, N. Biver, P. Hartogh, S. Szutowicz, Th. de Graauw","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-04-18T20:00:00Z","title":"Herschel observations of gas and dust in comet C/2006 W3 (Christensen) at 5 AU from the Sun"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.4869","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:c8b0fc6a9057d951e7f5f51b79edb257ec4b82a1a2faca7739eda264c149662a","target":"record","created_at":"2026-05-18T02:53:54Z","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":"7d34c2d6e52b300a8cb85e32cdec8da7a0c2076625004c74bac58b8b686ec49d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-04-18T20:00:00Z","title_canon_sha256":"849843718c5f34a922cb6ae5fd40e3144b74d3b2757371d5b89bb7bc4f4d50f6"},"schema_version":"1.0","source":{"id":"1404.4869","kind":"arxiv","version":1}},"canonical_sha256":"851afbc68274522f731809d5f64d478bf2afce0aa8556b93a5664e56cb6368f8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"851afbc68274522f731809d5f64d478bf2afce0aa8556b93a5664e56cb6368f8","first_computed_at":"2026-05-18T02:53:54.647514Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:53:54.647514Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8uh/khI/yg1idNmQZmNFkVT+O008VElaeG0bI7Sq6YTj/ziasdcGi62zQRFN+Ov9Jc6AwfFOYJ1ZUQ1XjNgZAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:53:54.648313Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.4869","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c8b0fc6a9057d951e7f5f51b79edb257ec4b82a1a2faca7739eda264c149662a","sha256:5e3e001eb0f92442779d19378a77d38ca2e6f9e46c7c8483b0e08c4e49333579"],"state_sha256":"19233ec283a647b4b04ba8d887e7ea6c380868cb3e5be2a68102cbe4e25f470e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MtSoX7Tz7na9sQighsf47o7tGJ7xpey7b8BBjTKch5CRygpiYjxElFBmEriBu+JL9zIEOxv0J4XncVfOhdbbCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T22:50:01.546217Z","bundle_sha256":"2edc292c698f0624320be990630b6de751561fa4e9558c5aae05e5c4774fd5e4"}}