{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:N2KOFXQ77UPCKUMZFMJS5LIRRF","short_pith_number":"pith:N2KOFXQ7","canonical_record":{"source":{"id":"0801.3650","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2008-01-23T20:23:45Z","cross_cats_sorted":[],"title_canon_sha256":"ff86360e6e904323418da514e8bf6254128ec35e2eb1ada42cd90ec680b891f3","abstract_canon_sha256":"12539433cbf69939db34d3301a095ed9946083e701596d280eca57338de2dbb2"},"schema_version":"1.0"},"canonical_sha256":"6e94e2de1ffd1e2551992b132ead118962c735be699cb88621e56e28925e9c50","source":{"kind":"arxiv","id":"0801.3650","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0801.3650","created_at":"2026-07-04T17:23:29Z"},{"alias_kind":"arxiv_version","alias_value":"0801.3650v1","created_at":"2026-07-04T17:23:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0801.3650","created_at":"2026-07-04T17:23:29Z"},{"alias_kind":"pith_short_12","alias_value":"N2KOFXQ77UPC","created_at":"2026-07-04T17:23:29Z"},{"alias_kind":"pith_short_16","alias_value":"N2KOFXQ77UPCKUMZ","created_at":"2026-07-04T17:23:29Z"},{"alias_kind":"pith_short_8","alias_value":"N2KOFXQ7","created_at":"2026-07-04T17:23:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:N2KOFXQ77UPCKUMZFMJS5LIRRF","target":"record","payload":{"canonical_record":{"source":{"id":"0801.3650","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2008-01-23T20:23:45Z","cross_cats_sorted":[],"title_canon_sha256":"ff86360e6e904323418da514e8bf6254128ec35e2eb1ada42cd90ec680b891f3","abstract_canon_sha256":"12539433cbf69939db34d3301a095ed9946083e701596d280eca57338de2dbb2"},"schema_version":"1.0"},"canonical_sha256":"6e94e2de1ffd1e2551992b132ead118962c735be699cb88621e56e28925e9c50","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:23:29.860934Z","signature_b64":"5CgaBB0JgizP6eHKV5TJ1t9kRe6j7MMjutJWoyaa3nOF5r5s37QemArCFngd8y25+Dhjfb56Z0jko87h+/loDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6e94e2de1ffd1e2551992b132ead118962c735be699cb88621e56e28925e9c50","last_reissued_at":"2026-07-04T17:23:29.860538Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:23:29.860538Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0801.3650","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":"2026-07-04T17:23:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TPOhWiCcmGVO6rBlJyWmyMWkEe1zqtKPBZucaGyRwGFaOvLeRrWg58N1rJ/ZulSCWMEMeG8P9vjP/s9k8TUrDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T09:29:29.412532Z"},"content_sha256":"b8736c26076e94e7003658cbb0321b4ff90acba77376696f85f94164064e769e","schema_version":"1.0","event_id":"sha256:b8736c26076e94e7003658cbb0321b4ff90acba77376696f85f94164064e769e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:N2KOFXQ77UPCKUMZFMJS5LIRRF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Submillimeter Galaxies at z~2: Evidence for Major Mergers & Constraints on Lifetimes, IMF and CO-H2 Conversion Factor","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Blain, A. Cimatti, A.E. Shapley, A.J. Baker, A.M. Swinbank, A. Omont, D.K. Erb, D. Lutz, E. Daddi, F. Bertoldi, I. Smail, L.J. Tacconi, N.M. Foerster Schreiber, P.Cox, R. Genzel, R.J. Ivison, R. Neri, S.C. Chapman, S. Genel, T. Greve","submitted_at":"2008-01-23T20:23:45Z","abstract_excerpt":"We report sub-arcsecond resolution IRAM PdBI millimeter CO interferometry of four z~2 submillimeter galaxies (SMGs), and sensitive CO (3-2) flux limits toward three z~2 UV-/optically selected star forming galaxies. The new data reveal for the first time spatially resolved CO gas kinematics in the observed SMGs. Two of the SMGs show double or multiple morphologies, with complex, disturbed gas motions. The other two SMGs exhibit CO velocity gradients of ~500 km/s across 0.2 arcsec (1.6 kpc) diameter regions, suggesting that the star forming gas is in compact, rotating disks. Our data provide com"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0801.3650","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0801.3650/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T17:23:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fkrXHxrb2Yiv/pypeR0IXhJlACGTsiG+Z2IRsREKPtJTO2AcDxAmHks0pZm09cn0p2rbOWwR0zQ8XiKjD3BjDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T09:29:29.413324Z"},"content_sha256":"9b6bbef1bae9544306f6ac84323d509eb0975a8264c2131ecba9ac0919ff8769","schema_version":"1.0","event_id":"sha256:9b6bbef1bae9544306f6ac84323d509eb0975a8264c2131ecba9ac0919ff8769"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N2KOFXQ77UPCKUMZFMJS5LIRRF/bundle.json","state_url":"https://pith.science/pith/N2KOFXQ77UPCKUMZFMJS5LIRRF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N2KOFXQ77UPCKUMZFMJS5LIRRF/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":"2026-08-03T09:29:29Z","links":{"resolver":"https://pith.science/pith/N2KOFXQ77UPCKUMZFMJS5LIRRF","bundle":"https://pith.science/pith/N2KOFXQ77UPCKUMZFMJS5LIRRF/bundle.json","state":"https://pith.science/pith/N2KOFXQ77UPCKUMZFMJS5LIRRF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N2KOFXQ77UPCKUMZFMJS5LIRRF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:N2KOFXQ77UPCKUMZFMJS5LIRRF","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":"12539433cbf69939db34d3301a095ed9946083e701596d280eca57338de2dbb2","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2008-01-23T20:23:45Z","title_canon_sha256":"ff86360e6e904323418da514e8bf6254128ec35e2eb1ada42cd90ec680b891f3"},"schema_version":"1.0","source":{"id":"0801.3650","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0801.3650","created_at":"2026-07-04T17:23:29Z"},{"alias_kind":"arxiv_version","alias_value":"0801.3650v1","created_at":"2026-07-04T17:23:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0801.3650","created_at":"2026-07-04T17:23:29Z"},{"alias_kind":"pith_short_12","alias_value":"N2KOFXQ77UPC","created_at":"2026-07-04T17:23:29Z"},{"alias_kind":"pith_short_16","alias_value":"N2KOFXQ77UPCKUMZ","created_at":"2026-07-04T17:23:29Z"},{"alias_kind":"pith_short_8","alias_value":"N2KOFXQ7","created_at":"2026-07-04T17:23:29Z"}],"graph_snapshots":[{"event_id":"sha256:9b6bbef1bae9544306f6ac84323d509eb0975a8264c2131ecba9ac0919ff8769","target":"graph","created_at":"2026-07-04T17:23:29Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0801.3650/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report sub-arcsecond resolution IRAM PdBI millimeter CO interferometry of four z~2 submillimeter galaxies (SMGs), and sensitive CO (3-2) flux limits toward three z~2 UV-/optically selected star forming galaxies. The new data reveal for the first time spatially resolved CO gas kinematics in the observed SMGs. Two of the SMGs show double or multiple morphologies, with complex, disturbed gas motions. The other two SMGs exhibit CO velocity gradients of ~500 km/s across 0.2 arcsec (1.6 kpc) diameter regions, suggesting that the star forming gas is in compact, rotating disks. Our data provide com","authors_text":"A. Blain, A. Cimatti, A.E. Shapley, A.J. Baker, A.M. Swinbank, A. Omont, D.K. Erb, D. Lutz, E. Daddi, F. Bertoldi, I. Smail, L.J. Tacconi, N.M. Foerster Schreiber, P.Cox, R. Genzel, R.J. Ivison, R. Neri, S.C. Chapman, S. Genel, T. Greve","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2008-01-23T20:23:45Z","title":"Submillimeter Galaxies at z~2: Evidence for Major Mergers & Constraints on Lifetimes, IMF and CO-H2 Conversion Factor"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0801.3650","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:b8736c26076e94e7003658cbb0321b4ff90acba77376696f85f94164064e769e","target":"record","created_at":"2026-07-04T17:23:29Z","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":"12539433cbf69939db34d3301a095ed9946083e701596d280eca57338de2dbb2","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2008-01-23T20:23:45Z","title_canon_sha256":"ff86360e6e904323418da514e8bf6254128ec35e2eb1ada42cd90ec680b891f3"},"schema_version":"1.0","source":{"id":"0801.3650","kind":"arxiv","version":1}},"canonical_sha256":"6e94e2de1ffd1e2551992b132ead118962c735be699cb88621e56e28925e9c50","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6e94e2de1ffd1e2551992b132ead118962c735be699cb88621e56e28925e9c50","first_computed_at":"2026-07-04T17:23:29.860538Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:23:29.860538Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5CgaBB0JgizP6eHKV5TJ1t9kRe6j7MMjutJWoyaa3nOF5r5s37QemArCFngd8y25+Dhjfb56Z0jko87h+/loDg==","signature_status":"signed_v1","signed_at":"2026-07-04T17:23:29.860934Z","signed_message":"canonical_sha256_bytes"},"source_id":"0801.3650","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b8736c26076e94e7003658cbb0321b4ff90acba77376696f85f94164064e769e","sha256:9b6bbef1bae9544306f6ac84323d509eb0975a8264c2131ecba9ac0919ff8769"],"state_sha256":"e5ea372dc7722f73db0d845a209e973e11659239c823ceccb210a2efcc2c966a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yTPm8XRCezEAbX4AWymQs5mkNBOoEP9Ksnjpg9VgqyIauMyfTOP3jiqecvXXhwYfOcF6enmjTkim67lEhrD8Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T09:29:29.418201Z","bundle_sha256":"3433d730958418e522c286c3860e6678c4bdc8fb871b8f0100c03a3ab1a5952e"}}