{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:RRR45ZK4YHH6OEETAEL6PTKQAQ","short_pith_number":"pith:RRR45ZK4","canonical_record":{"source":{"id":"1009.1539","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-09-08T14:14:12Z","cross_cats_sorted":[],"title_canon_sha256":"0fa7a8d13fa06468a4c898d4ccd8e0efec9a8c14800ef2a99f8cf94ac6e37e08","abstract_canon_sha256":"9573b71cbb3640c205864a3724cfbe27a74e562ebd6a48b3d71195bca028bc8b"},"schema_version":"1.0"},"canonical_sha256":"8c63cee55cc1cfe710930117e7cd50040c7efb165a3689d7354047fdca47cc6b","source":{"kind":"arxiv","id":"1009.1539","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.1539","created_at":"2026-05-18T02:05:35Z"},{"alias_kind":"arxiv_version","alias_value":"1009.1539v1","created_at":"2026-05-18T02:05:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.1539","created_at":"2026-05-18T02:05:35Z"},{"alias_kind":"pith_short_12","alias_value":"RRR45ZK4YHH6","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"RRR45ZK4YHH6OEET","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"RRR45ZK4","created_at":"2026-05-18T12:26:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:RRR45ZK4YHH6OEETAEL6PTKQAQ","target":"record","payload":{"canonical_record":{"source":{"id":"1009.1539","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-09-08T14:14:12Z","cross_cats_sorted":[],"title_canon_sha256":"0fa7a8d13fa06468a4c898d4ccd8e0efec9a8c14800ef2a99f8cf94ac6e37e08","abstract_canon_sha256":"9573b71cbb3640c205864a3724cfbe27a74e562ebd6a48b3d71195bca028bc8b"},"schema_version":"1.0"},"canonical_sha256":"8c63cee55cc1cfe710930117e7cd50040c7efb165a3689d7354047fdca47cc6b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:35.116186Z","signature_b64":"2GdhIf4XaTx/AIzG6VZmw04CBpd/q4hZPJg78Q9PTejMlWUyZGHcfSdlxvnr5de2nxl5fqz7woChdjP2xc1ZDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8c63cee55cc1cfe710930117e7cd50040c7efb165a3689d7354047fdca47cc6b","last_reissued_at":"2026-05-18T02:05:35.115502Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:35.115502Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1009.1539","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":"2026-05-18T02:05:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YG8EpNBGPykEM3DRoa7XqilHAX41D26D4bzKNZjmBxta0qvy6//6yv89pP1i9aEyg42IGPGWD/tuUfmOIUMkDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:07:27.231536Z"},"content_sha256":"ad3f0a20aea933bf31475cec5c71278fd12c9ff4adeb277571eb0525af28f6fb","schema_version":"1.0","event_id":"sha256:ad3f0a20aea933bf31475cec5c71278fd12c9ff4adeb277571eb0525af28f6fb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:RRR45ZK4YHH6OEETAEL6PTKQAQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"NGC6240: Merger-Induced Star Formation & Gas Dynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Medling, C. E. Max, E. K. S. Hicks, E. Sturm, H. Engel, L. J. Tacconi, P. H. Johansson, P. P. van der Werf, R. Genzel, R. I. Davies, S. J. Karl, T. Naab","submitted_at":"2010-09-08T14:14:12Z","abstract_excerpt":"We present spatially resolved integral field spectroscopic K-band data at a resolution of 0.13\" (60pc) and interferometric CO(2-1) line observations of the prototypical merging system NGC6240. Despite the clear rotational signature, the stellar kinematics in the two nuclei are dominated by dispersion. We use Jeans modelling to derive the masses and the mass-to-light ratios of the nuclei. Combining the luminosities with the spatially resolved Br-gamma equivalent width shows that only 1/3 of the K-band continuum from the nuclei is associated with the most recent star forming episode; and that le"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.1539","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":"2026-05-18T02:05:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ICLqDXEPHDNGY+z3vxJi8Dwo2pMY9IWMdyHeJV77McgK4L3GE577Dms26qEukfCuFqQz8/JsyyQfI6m9UH3sAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:07:27.231893Z"},"content_sha256":"9330c10231066a6b64a0a24bb7973318743d28f955fa8cdad6b5ac0977518cac","schema_version":"1.0","event_id":"sha256:9330c10231066a6b64a0a24bb7973318743d28f955fa8cdad6b5ac0977518cac"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RRR45ZK4YHH6OEETAEL6PTKQAQ/bundle.json","state_url":"https://pith.science/pith/RRR45ZK4YHH6OEETAEL6PTKQAQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RRR45ZK4YHH6OEETAEL6PTKQAQ/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":"2026-05-28T23:07:27Z","links":{"resolver":"https://pith.science/pith/RRR45ZK4YHH6OEETAEL6PTKQAQ","bundle":"https://pith.science/pith/RRR45ZK4YHH6OEETAEL6PTKQAQ/bundle.json","state":"https://pith.science/pith/RRR45ZK4YHH6OEETAEL6PTKQAQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RRR45ZK4YHH6OEETAEL6PTKQAQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:RRR45ZK4YHH6OEETAEL6PTKQAQ","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":"9573b71cbb3640c205864a3724cfbe27a74e562ebd6a48b3d71195bca028bc8b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-09-08T14:14:12Z","title_canon_sha256":"0fa7a8d13fa06468a4c898d4ccd8e0efec9a8c14800ef2a99f8cf94ac6e37e08"},"schema_version":"1.0","source":{"id":"1009.1539","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.1539","created_at":"2026-05-18T02:05:35Z"},{"alias_kind":"arxiv_version","alias_value":"1009.1539v1","created_at":"2026-05-18T02:05:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.1539","created_at":"2026-05-18T02:05:35Z"},{"alias_kind":"pith_short_12","alias_value":"RRR45ZK4YHH6","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"RRR45ZK4YHH6OEET","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"RRR45ZK4","created_at":"2026-05-18T12:26:13Z"}],"graph_snapshots":[{"event_id":"sha256:9330c10231066a6b64a0a24bb7973318743d28f955fa8cdad6b5ac0977518cac","target":"graph","created_at":"2026-05-18T02:05:35Z","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 spatially resolved integral field spectroscopic K-band data at a resolution of 0.13\" (60pc) and interferometric CO(2-1) line observations of the prototypical merging system NGC6240. Despite the clear rotational signature, the stellar kinematics in the two nuclei are dominated by dispersion. We use Jeans modelling to derive the masses and the mass-to-light ratios of the nuclei. Combining the luminosities with the spatially resolved Br-gamma equivalent width shows that only 1/3 of the K-band continuum from the nuclei is associated with the most recent star forming episode; and that le","authors_text":"A. Medling, C. E. Max, E. K. S. Hicks, E. Sturm, H. Engel, L. J. Tacconi, P. H. Johansson, P. P. van der Werf, R. Genzel, R. I. Davies, S. J. Karl, T. Naab","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-09-08T14:14:12Z","title":"NGC6240: Merger-Induced Star Formation & Gas Dynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.1539","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:ad3f0a20aea933bf31475cec5c71278fd12c9ff4adeb277571eb0525af28f6fb","target":"record","created_at":"2026-05-18T02:05:35Z","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":"9573b71cbb3640c205864a3724cfbe27a74e562ebd6a48b3d71195bca028bc8b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-09-08T14:14:12Z","title_canon_sha256":"0fa7a8d13fa06468a4c898d4ccd8e0efec9a8c14800ef2a99f8cf94ac6e37e08"},"schema_version":"1.0","source":{"id":"1009.1539","kind":"arxiv","version":1}},"canonical_sha256":"8c63cee55cc1cfe710930117e7cd50040c7efb165a3689d7354047fdca47cc6b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8c63cee55cc1cfe710930117e7cd50040c7efb165a3689d7354047fdca47cc6b","first_computed_at":"2026-05-18T02:05:35.115502Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:35.115502Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2GdhIf4XaTx/AIzG6VZmw04CBpd/q4hZPJg78Q9PTejMlWUyZGHcfSdlxvnr5de2nxl5fqz7woChdjP2xc1ZDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:35.116186Z","signed_message":"canonical_sha256_bytes"},"source_id":"1009.1539","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ad3f0a20aea933bf31475cec5c71278fd12c9ff4adeb277571eb0525af28f6fb","sha256:9330c10231066a6b64a0a24bb7973318743d28f955fa8cdad6b5ac0977518cac"],"state_sha256":"4d8cf17a682772a9356be147ed763dab5ba4259f6284b5bbeaaf9f511d58c40c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SrP/yOX7RntieoIl+i65TipMbsAVRc6Af5mkq1T0akUZliIIg0ZYZd5sLwSRg13sX8E/1boF79IyJ7Ei03U6DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T23:07:27.234838Z","bundle_sha256":"eb4a7db9d8579f392b1280259eee74d6161aa8fc3db249fa2b151aa721a706d8"}}