{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:SR2SJZZ6N3TIQLKC7VNMV73QTY","short_pith_number":"pith:SR2SJZZ6","canonical_record":{"source":{"id":"0905.4742","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-05-28T20:38:55Z","cross_cats_sorted":[],"title_canon_sha256":"0a2da2dea4808130564d9ac512f158b2f37ec1cde7181fa6a61e4b8b32c7f934","abstract_canon_sha256":"bbf85abee0128e1f2d68fb0fc01f663331c30c044a8c4f8aeee9054b8194568c"},"schema_version":"1.0"},"canonical_sha256":"947524e73e6ee6882d42fd5acaff709e21f8be2b982a791c5c1f555685ca29fd","source":{"kind":"arxiv","id":"0905.4742","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.4742","created_at":"2026-05-18T04:37:34Z"},{"alias_kind":"arxiv_version","alias_value":"0905.4742v1","created_at":"2026-05-18T04:37:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.4742","created_at":"2026-05-18T04:37:34Z"},{"alias_kind":"pith_short_12","alias_value":"SR2SJZZ6N3TI","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"SR2SJZZ6N3TIQLKC","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"SR2SJZZ6","created_at":"2026-05-18T12:26:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:SR2SJZZ6N3TIQLKC7VNMV73QTY","target":"record","payload":{"canonical_record":{"source":{"id":"0905.4742","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-05-28T20:38:55Z","cross_cats_sorted":[],"title_canon_sha256":"0a2da2dea4808130564d9ac512f158b2f37ec1cde7181fa6a61e4b8b32c7f934","abstract_canon_sha256":"bbf85abee0128e1f2d68fb0fc01f663331c30c044a8c4f8aeee9054b8194568c"},"schema_version":"1.0"},"canonical_sha256":"947524e73e6ee6882d42fd5acaff709e21f8be2b982a791c5c1f555685ca29fd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:37:34.117563Z","signature_b64":"vF+c5xeHCOJDfFlcdBDMaQKTFiNnsWe7E+ei888CjotgewANSgsQjYhEVsOKxispuOEuWBxcK5PhI6oNqIKMCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"947524e73e6ee6882d42fd5acaff709e21f8be2b982a791c5c1f555685ca29fd","last_reissued_at":"2026-05-18T04:37:34.117095Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:37:34.117095Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0905.4742","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":"2026-05-18T04:37:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PuxO7nFzb3VvmWBfguyGP1scfPkF1Qnrg531SU71WxyAbbJJYGeP5mxstd3UDTkDKu+fzy5BE9xsjzGltParAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:57:52.827760Z"},"content_sha256":"957bc2af5f86e33c1fec682a22a04aefcb4705b08eacfa2fe7d8420da3ff53ff","schema_version":"1.0","event_id":"sha256:957bc2af5f86e33c1fec682a22a04aefcb4705b08eacfa2fe7d8420da3ff53ff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:SR2SJZZ6N3TIQLKC7VNMV73QTY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"HERACLES: The HERA CO-Line Extragalactic Survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. K. Leroy, A. Usero, A. Weiss, C. Kramer, E. Brinks, F. Bigiel, F. Walter, H. Roussel, H.W. Wiesemeyer, K.-F. Schuster, R.C. Kennicutt, W.J.G. de Blok","submitted_at":"2009-05-28T20:38:55Z","abstract_excerpt":"We present the HERA CO-Line Extragalactic Survey (HERACLES), an atlas of CO emission from 18 nearby galaxies that are also part of The HI Nearby Galaxy Survey (THINGS) and the Spitzer Infrared Nearby Galaxies Survey (SINGS). We used the HERA multi-pixel receiver on the IRAM 30-m telescope to map the CO J=2-1 line over the full optical disk (defined by the isophotal radius r_25) of each target, at 13\" angular resolution and 2.6 km/s velocity resolution. Here we describe the observations and reduction of the data and show channel maps, azimuthally averaged profiles, integrated intensity maps, an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.4742","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":"2026-05-18T04:37:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OrPL3Z4yvvYkbAH3eNVssw30jcCou9qKqxg7Ya9YiX0RHSger8/z7SgiVJYmtAe7UHzktZgKnui3VBZSxsO6Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:57:52.828280Z"},"content_sha256":"fa217293ae7e3377a4c27fabfe6b5d5f224660853d1961171d17ae0ba640243a","schema_version":"1.0","event_id":"sha256:fa217293ae7e3377a4c27fabfe6b5d5f224660853d1961171d17ae0ba640243a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SR2SJZZ6N3TIQLKC7VNMV73QTY/bundle.json","state_url":"https://pith.science/pith/SR2SJZZ6N3TIQLKC7VNMV73QTY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SR2SJZZ6N3TIQLKC7VNMV73QTY/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":"2026-05-25T16:57:52Z","links":{"resolver":"https://pith.science/pith/SR2SJZZ6N3TIQLKC7VNMV73QTY","bundle":"https://pith.science/pith/SR2SJZZ6N3TIQLKC7VNMV73QTY/bundle.json","state":"https://pith.science/pith/SR2SJZZ6N3TIQLKC7VNMV73QTY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SR2SJZZ6N3TIQLKC7VNMV73QTY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:SR2SJZZ6N3TIQLKC7VNMV73QTY","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":"bbf85abee0128e1f2d68fb0fc01f663331c30c044a8c4f8aeee9054b8194568c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-05-28T20:38:55Z","title_canon_sha256":"0a2da2dea4808130564d9ac512f158b2f37ec1cde7181fa6a61e4b8b32c7f934"},"schema_version":"1.0","source":{"id":"0905.4742","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.4742","created_at":"2026-05-18T04:37:34Z"},{"alias_kind":"arxiv_version","alias_value":"0905.4742v1","created_at":"2026-05-18T04:37:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.4742","created_at":"2026-05-18T04:37:34Z"},{"alias_kind":"pith_short_12","alias_value":"SR2SJZZ6N3TI","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"SR2SJZZ6N3TIQLKC","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"SR2SJZZ6","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:fa217293ae7e3377a4c27fabfe6b5d5f224660853d1961171d17ae0ba640243a","target":"graph","created_at":"2026-05-18T04:37:34Z","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 present the HERA CO-Line Extragalactic Survey (HERACLES), an atlas of CO emission from 18 nearby galaxies that are also part of The HI Nearby Galaxy Survey (THINGS) and the Spitzer Infrared Nearby Galaxies Survey (SINGS). We used the HERA multi-pixel receiver on the IRAM 30-m telescope to map the CO J=2-1 line over the full optical disk (defined by the isophotal radius r_25) of each target, at 13\" angular resolution and 2.6 km/s velocity resolution. Here we describe the observations and reduction of the data and show channel maps, azimuthally averaged profiles, integrated intensity maps, an","authors_text":"A. K. Leroy, A. Usero, A. Weiss, C. Kramer, E. Brinks, F. Bigiel, F. Walter, H. Roussel, H.W. Wiesemeyer, K.-F. Schuster, R.C. Kennicutt, W.J.G. de Blok","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-05-28T20:38:55Z","title":"HERACLES: The HERA CO-Line Extragalactic Survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.4742","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":"sha256:957bc2af5f86e33c1fec682a22a04aefcb4705b08eacfa2fe7d8420da3ff53ff","target":"record","created_at":"2026-05-18T04:37:34Z","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":"bbf85abee0128e1f2d68fb0fc01f663331c30c044a8c4f8aeee9054b8194568c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-05-28T20:38:55Z","title_canon_sha256":"0a2da2dea4808130564d9ac512f158b2f37ec1cde7181fa6a61e4b8b32c7f934"},"schema_version":"1.0","source":{"id":"0905.4742","kind":"arxiv","version":1}},"canonical_sha256":"947524e73e6ee6882d42fd5acaff709e21f8be2b982a791c5c1f555685ca29fd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"947524e73e6ee6882d42fd5acaff709e21f8be2b982a791c5c1f555685ca29fd","first_computed_at":"2026-05-18T04:37:34.117095Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:37:34.117095Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vF+c5xeHCOJDfFlcdBDMaQKTFiNnsWe7E+ei888CjotgewANSgsQjYhEVsOKxispuOEuWBxcK5PhI6oNqIKMCw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:37:34.117563Z","signed_message":"canonical_sha256_bytes"},"source_id":"0905.4742","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:957bc2af5f86e33c1fec682a22a04aefcb4705b08eacfa2fe7d8420da3ff53ff","sha256:fa217293ae7e3377a4c27fabfe6b5d5f224660853d1961171d17ae0ba640243a"],"state_sha256":"da6796e95c8309862b54ec8adfa9cb62ddd1842870bcf318f790bfdaa476c7f9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rbAabbEK03sZ8PxT3W/tn3oPOy2eNCJh3G4wVx+4myCQQEPsUh881/C4FwyvySZoxVUN0IELIRBuYHSqdynRBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T16:57:52.831521Z","bundle_sha256":"f5667334b8e73f7fd67ceef7e612e81e00da6451bfa6ca75bc3432206ce6d059"}}