{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:6JIJZMXLA2QLNSJXJQKWV3XCGN","short_pith_number":"pith:6JIJZMXL","canonical_record":{"source":{"id":"1201.4998","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-01-24T15:01:39Z","cross_cats_sorted":[],"title_canon_sha256":"5dd0409eb03c680cb61bb13ca84a325c198aa0c3cd0b62a3639b33f58245b18f","abstract_canon_sha256":"996901a9e259358bc7e6617439658150422cc18d29988252e0ab7f7e906bda42"},"schema_version":"1.0"},"canonical_sha256":"f2509cb2eb06a0b6c9374c156aeee23376c36ac98b4446427a0d8c9a151c73b4","source":{"kind":"arxiv","id":"1201.4998","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.4998","created_at":"2026-05-18T01:58:42Z"},{"alias_kind":"arxiv_version","alias_value":"1201.4998v1","created_at":"2026-05-18T01:58:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.4998","created_at":"2026-05-18T01:58:42Z"},{"alias_kind":"pith_short_12","alias_value":"6JIJZMXLA2QL","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"6JIJZMXLA2QLNSJX","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"6JIJZMXL","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:6JIJZMXLA2QLNSJXJQKWV3XCGN","target":"record","payload":{"canonical_record":{"source":{"id":"1201.4998","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-01-24T15:01:39Z","cross_cats_sorted":[],"title_canon_sha256":"5dd0409eb03c680cb61bb13ca84a325c198aa0c3cd0b62a3639b33f58245b18f","abstract_canon_sha256":"996901a9e259358bc7e6617439658150422cc18d29988252e0ab7f7e906bda42"},"schema_version":"1.0"},"canonical_sha256":"f2509cb2eb06a0b6c9374c156aeee23376c36ac98b4446427a0d8c9a151c73b4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:42.769307Z","signature_b64":"m/gdLg1/uFpemFX3rgKgaFsAEuuTrZ+RDvS2x3D9lLeLDdcQOTI4coyiCJvlFBmLBr8PjHVkqf23if7VOvlTDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f2509cb2eb06a0b6c9374c156aeee23376c36ac98b4446427a0d8c9a151c73b4","last_reissued_at":"2026-05-18T01:58:42.768555Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:42.768555Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1201.4998","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":"2026-05-18T01:58:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zd1v4Z2JnxJfwKtG1Dc4xTWLCKICBXf47avSLx9c3u8Hb+9ZrN/2/O+VwqYdPqKP41RyN27eTVYwnYAl4kH6Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T17:00:13.655410Z"},"content_sha256":"dabeeb21c46603111478a0eb6109448d6c8bbfe2bea571635440c054fda69d7c","schema_version":"1.0","event_id":"sha256:dabeeb21c46603111478a0eb6109448d6c8bbfe2bea571635440c054fda69d7c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:6JIJZMXLA2QLNSJXJQKWV3XCGN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Revealing velocity dispersion as the best indicator of a galaxy's color, compared to stellar mass, surface mass density or morphology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"David A. Wake, Marijn Franx, Pieter G. van Dokkum","submitted_at":"2012-01-24T15:01:39Z","abstract_excerpt":"Using data of nearby galaxies from the Sloan Digital Sky Survey we investigate whether stellar mass, central velocity dispersion, surface mass density, or the Sersic n parameter is best correlated with a galaxy's rest-frame color. Specifically, we determine how the mean color of galaxies varies with one parameter when another is fixed. When the stellar mass is fixed we see that strong trends remain with all other parameters, whereas residual trends are weaker when surface mass density, n, or velocity dispersion are fixed. Overall velocity dispersion is the best indicator of a galaxy's typical "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.4998","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":"2026-05-18T01:58:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jE6mEk4TzYxDoyCcWsO/1uBEVHY6qjiuB2YxU6irdSS7Xf8sZZ5P8y/yFlbrhFa5rETuKA4h+2hD5eomUnSsDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T17:00:13.655988Z"},"content_sha256":"bb7a0d53ed09616e85eb1bae0a44f45f17caf388a0e754d5b9e1094874c1978f","schema_version":"1.0","event_id":"sha256:bb7a0d53ed09616e85eb1bae0a44f45f17caf388a0e754d5b9e1094874c1978f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6JIJZMXLA2QLNSJXJQKWV3XCGN/bundle.json","state_url":"https://pith.science/pith/6JIJZMXLA2QLNSJXJQKWV3XCGN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6JIJZMXLA2QLNSJXJQKWV3XCGN/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":"2026-05-27T17:00:13Z","links":{"resolver":"https://pith.science/pith/6JIJZMXLA2QLNSJXJQKWV3XCGN","bundle":"https://pith.science/pith/6JIJZMXLA2QLNSJXJQKWV3XCGN/bundle.json","state":"https://pith.science/pith/6JIJZMXLA2QLNSJXJQKWV3XCGN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6JIJZMXLA2QLNSJXJQKWV3XCGN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:6JIJZMXLA2QLNSJXJQKWV3XCGN","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":"996901a9e259358bc7e6617439658150422cc18d29988252e0ab7f7e906bda42","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-01-24T15:01:39Z","title_canon_sha256":"5dd0409eb03c680cb61bb13ca84a325c198aa0c3cd0b62a3639b33f58245b18f"},"schema_version":"1.0","source":{"id":"1201.4998","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.4998","created_at":"2026-05-18T01:58:42Z"},{"alias_kind":"arxiv_version","alias_value":"1201.4998v1","created_at":"2026-05-18T01:58:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.4998","created_at":"2026-05-18T01:58:42Z"},{"alias_kind":"pith_short_12","alias_value":"6JIJZMXLA2QL","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"6JIJZMXLA2QLNSJX","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"6JIJZMXL","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:bb7a0d53ed09616e85eb1bae0a44f45f17caf388a0e754d5b9e1094874c1978f","target":"graph","created_at":"2026-05-18T01:58:42Z","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":"Using data of nearby galaxies from the Sloan Digital Sky Survey we investigate whether stellar mass, central velocity dispersion, surface mass density, or the Sersic n parameter is best correlated with a galaxy's rest-frame color. Specifically, we determine how the mean color of galaxies varies with one parameter when another is fixed. When the stellar mass is fixed we see that strong trends remain with all other parameters, whereas residual trends are weaker when surface mass density, n, or velocity dispersion are fixed. Overall velocity dispersion is the best indicator of a galaxy's typical ","authors_text":"David A. Wake, Marijn Franx, Pieter G. van Dokkum","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-01-24T15:01:39Z","title":"Revealing velocity dispersion as the best indicator of a galaxy's color, compared to stellar mass, surface mass density or morphology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.4998","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:dabeeb21c46603111478a0eb6109448d6c8bbfe2bea571635440c054fda69d7c","target":"record","created_at":"2026-05-18T01:58:42Z","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":"996901a9e259358bc7e6617439658150422cc18d29988252e0ab7f7e906bda42","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-01-24T15:01:39Z","title_canon_sha256":"5dd0409eb03c680cb61bb13ca84a325c198aa0c3cd0b62a3639b33f58245b18f"},"schema_version":"1.0","source":{"id":"1201.4998","kind":"arxiv","version":1}},"canonical_sha256":"f2509cb2eb06a0b6c9374c156aeee23376c36ac98b4446427a0d8c9a151c73b4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f2509cb2eb06a0b6c9374c156aeee23376c36ac98b4446427a0d8c9a151c73b4","first_computed_at":"2026-05-18T01:58:42.768555Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:42.768555Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"m/gdLg1/uFpemFX3rgKgaFsAEuuTrZ+RDvS2x3D9lLeLDdcQOTI4coyiCJvlFBmLBr8PjHVkqf23if7VOvlTDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:42.769307Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.4998","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dabeeb21c46603111478a0eb6109448d6c8bbfe2bea571635440c054fda69d7c","sha256:bb7a0d53ed09616e85eb1bae0a44f45f17caf388a0e754d5b9e1094874c1978f"],"state_sha256":"3436f7e84a5dc028578eb6e55b94aaaaf3e27af7e359cdff820796983a31406b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v1Mai5wb2nATyR/LHipwgNASDsXVmFCLhYEsdd0mpw254FUCDjldYrJqnS7re+wgUieC0enbtwhzi2Grm8qHCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T17:00:13.659139Z","bundle_sha256":"302088b1a13593e57135b25b788aebd725e3aa2cdc3d24bfa8422ac90bb50d11"}}