{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:YOOZ363BQMO4MMGYRTVCP4IR4R","short_pith_number":"pith:YOOZ363B","canonical_record":{"source":{"id":"0904.3891","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-04-24T15:31:56Z","cross_cats_sorted":[],"title_canon_sha256":"157d6e6fbb228a953965c55e878f229a316d31ab46474ead8764746dc0381055","abstract_canon_sha256":"509e1a79d33cc6a1a475e86eccf72fb75eba06215df66a70537bc95cf7f7f9a5"},"schema_version":"1.0"},"canonical_sha256":"c39d9dfb61831dc630d88cea27f111e44be4c3bdadb425d14b76b4b0a1e3a92e","source":{"kind":"arxiv","id":"0904.3891","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0904.3891","created_at":"2026-05-18T00:53:35Z"},{"alias_kind":"arxiv_version","alias_value":"0904.3891v2","created_at":"2026-05-18T00:53:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.3891","created_at":"2026-05-18T00:53:35Z"},{"alias_kind":"pith_short_12","alias_value":"YOOZ363BQMO4","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"YOOZ363BQMO4MMGY","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"YOOZ363B","created_at":"2026-05-18T12:26:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:YOOZ363BQMO4MMGYRTVCP4IR4R","target":"record","payload":{"canonical_record":{"source":{"id":"0904.3891","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-04-24T15:31:56Z","cross_cats_sorted":[],"title_canon_sha256":"157d6e6fbb228a953965c55e878f229a316d31ab46474ead8764746dc0381055","abstract_canon_sha256":"509e1a79d33cc6a1a475e86eccf72fb75eba06215df66a70537bc95cf7f7f9a5"},"schema_version":"1.0"},"canonical_sha256":"c39d9dfb61831dc630d88cea27f111e44be4c3bdadb425d14b76b4b0a1e3a92e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:53:35.425822Z","signature_b64":"tSFQQ8gOUSudJjrIZvrLrs8BZBWBLl65XhpzA3xCqHDPvygHl2cMAGgeVmwRPc+pS2Pvfw1Ly4dLTjFDIJOeDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c39d9dfb61831dc630d88cea27f111e44be4c3bdadb425d14b76b4b0a1e3a92e","last_reissued_at":"2026-05-18T00:53:35.425429Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:53:35.425429Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0904.3891","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:53:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pni/rrdE55xyojMOyKl3AJh6pS2n457gpev5tfzYKY81n7w/EtbKmLKQmbTxCiO3nmDWZExYJ9qJXJ83ktq3DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T07:44:35.768449Z"},"content_sha256":"032a2c664cb3620049bb05cd9290e331759e8a1cce8e1e1dc981cfe9855bf717","schema_version":"1.0","event_id":"sha256:032a2c664cb3620049bb05cd9290e331759e8a1cce8e1e1dc981cfe9855bf717"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:YOOZ363BQMO4MMGYRTVCP4IR4R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence for strong dynamical evolution in disk galaxies through the last 11 Gyr. GHASP VIII: A local reference sample of rotating disk galaxies for high redshift studies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"B. Epinat, C. Balkowski, M. Marcelin, P. Amram","submitted_at":"2009-04-24T15:31:56Z","abstract_excerpt":"[Abridged] Due to their large distances, high-z galaxies are observed at a very low spatial resolution. In order to disentangle the evolution of galaxy kinematics from low resolution effects, we have used Fabry-Perot 3D Ha data-cubes of 153 nearby isolated galaxies from the GHASP survey to simulate data-cubes of galaxies at z=1.7. We show that the inner velocity gradient is lowered and is responsible for a peak in the velocity dispersion map. Toy-models of rotating disks have been built to recover the parameters from low resolution data. The poor resolution makes the kinematical inclination un"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.3891","kind":"arxiv","version":2},"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":"2026-05-18T00:53:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ztf/95NGdmZV1TFBBh4pJSKPXPWwHyAOMYWeMG+X/OvmZfaLg/abfLA28++TsWHLKs7H86ad8fPHozMRSwhvDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T07:44:35.769181Z"},"content_sha256":"fa382a5520a2ec56bc71a69b53630ba1b13f38c25b0dfe8bbeefa02712d37ca3","schema_version":"1.0","event_id":"sha256:fa382a5520a2ec56bc71a69b53630ba1b13f38c25b0dfe8bbeefa02712d37ca3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YOOZ363BQMO4MMGYRTVCP4IR4R/bundle.json","state_url":"https://pith.science/pith/YOOZ363BQMO4MMGYRTVCP4IR4R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YOOZ363BQMO4MMGYRTVCP4IR4R/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":"2026-06-09T07:44:35Z","links":{"resolver":"https://pith.science/pith/YOOZ363BQMO4MMGYRTVCP4IR4R","bundle":"https://pith.science/pith/YOOZ363BQMO4MMGYRTVCP4IR4R/bundle.json","state":"https://pith.science/pith/YOOZ363BQMO4MMGYRTVCP4IR4R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YOOZ363BQMO4MMGYRTVCP4IR4R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:YOOZ363BQMO4MMGYRTVCP4IR4R","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":"509e1a79d33cc6a1a475e86eccf72fb75eba06215df66a70537bc95cf7f7f9a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-04-24T15:31:56Z","title_canon_sha256":"157d6e6fbb228a953965c55e878f229a316d31ab46474ead8764746dc0381055"},"schema_version":"1.0","source":{"id":"0904.3891","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0904.3891","created_at":"2026-05-18T00:53:35Z"},{"alias_kind":"arxiv_version","alias_value":"0904.3891v2","created_at":"2026-05-18T00:53:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.3891","created_at":"2026-05-18T00:53:35Z"},{"alias_kind":"pith_short_12","alias_value":"YOOZ363BQMO4","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"YOOZ363BQMO4MMGY","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"YOOZ363B","created_at":"2026-05-18T12:26:02Z"}],"graph_snapshots":[{"event_id":"sha256:fa382a5520a2ec56bc71a69b53630ba1b13f38c25b0dfe8bbeefa02712d37ca3","target":"graph","created_at":"2026-05-18T00:53:35Z","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":"[Abridged] Due to their large distances, high-z galaxies are observed at a very low spatial resolution. In order to disentangle the evolution of galaxy kinematics from low resolution effects, we have used Fabry-Perot 3D Ha data-cubes of 153 nearby isolated galaxies from the GHASP survey to simulate data-cubes of galaxies at z=1.7. We show that the inner velocity gradient is lowered and is responsible for a peak in the velocity dispersion map. Toy-models of rotating disks have been built to recover the parameters from low resolution data. The poor resolution makes the kinematical inclination un","authors_text":"B. Epinat, C. Balkowski, M. Marcelin, P. Amram","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-04-24T15:31:56Z","title":"Evidence for strong dynamical evolution in disk galaxies through the last 11 Gyr. GHASP VIII: A local reference sample of rotating disk galaxies for high redshift studies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.3891","kind":"arxiv","version":2},"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":"sha256:032a2c664cb3620049bb05cd9290e331759e8a1cce8e1e1dc981cfe9855bf717","target":"record","created_at":"2026-05-18T00:53:35Z","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":"509e1a79d33cc6a1a475e86eccf72fb75eba06215df66a70537bc95cf7f7f9a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-04-24T15:31:56Z","title_canon_sha256":"157d6e6fbb228a953965c55e878f229a316d31ab46474ead8764746dc0381055"},"schema_version":"1.0","source":{"id":"0904.3891","kind":"arxiv","version":2}},"canonical_sha256":"c39d9dfb61831dc630d88cea27f111e44be4c3bdadb425d14b76b4b0a1e3a92e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c39d9dfb61831dc630d88cea27f111e44be4c3bdadb425d14b76b4b0a1e3a92e","first_computed_at":"2026-05-18T00:53:35.425429Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:53:35.425429Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tSFQQ8gOUSudJjrIZvrLrs8BZBWBLl65XhpzA3xCqHDPvygHl2cMAGgeVmwRPc+pS2Pvfw1Ly4dLTjFDIJOeDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:53:35.425822Z","signed_message":"canonical_sha256_bytes"},"source_id":"0904.3891","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:032a2c664cb3620049bb05cd9290e331759e8a1cce8e1e1dc981cfe9855bf717","sha256:fa382a5520a2ec56bc71a69b53630ba1b13f38c25b0dfe8bbeefa02712d37ca3"],"state_sha256":"18e11ca7003f268e6325e7841f6a8d49cc101f5f23bcb9507a9ab10ecb4b436a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7ou812LBr5na/9cjYY5HKln0TB0XdALQEORpYtxApmDlkr4HQl1ilKny6pIWk/PsRNgWIYEztVCmF3852mVaBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T07:44:35.772935Z","bundle_sha256":"2bfa9e6923d5df863b09a6a75162619e7a5bd6a9d49341ed4670681a3d3ceed1"}}