{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:T3DYPG4IA3BEHDGXFAPH5VUNJY","short_pith_number":"pith:T3DYPG4I","canonical_record":{"source":{"id":"astro-ph/0606599","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-06-23T19:55:00Z","cross_cats_sorted":[],"title_canon_sha256":"2413891a21ffd81750905ee8c4315e20871654acc92d7c0aa10637703589012a","abstract_canon_sha256":"08e7acb326205f323b354241d4cf6780efbec215952d884cf5d563f55f2ecd56"},"schema_version":"1.0"},"canonical_sha256":"9ec7879b8806c2438cd7281e7ed68d4e2ab4d7e2be1dade2ab5b7aec194d351e","source":{"kind":"arxiv","id":"astro-ph/0606599","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0606599","created_at":"2026-07-04T15:19:06Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0606599v2","created_at":"2026-07-04T15:19:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0606599","created_at":"2026-07-04T15:19:06Z"},{"alias_kind":"pith_short_12","alias_value":"T3DYPG4IA3BE","created_at":"2026-07-04T15:19:06Z"},{"alias_kind":"pith_short_16","alias_value":"T3DYPG4IA3BEHDGX","created_at":"2026-07-04T15:19:06Z"},{"alias_kind":"pith_short_8","alias_value":"T3DYPG4I","created_at":"2026-07-04T15:19:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:T3DYPG4IA3BEHDGXFAPH5VUNJY","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0606599","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-06-23T19:55:00Z","cross_cats_sorted":[],"title_canon_sha256":"2413891a21ffd81750905ee8c4315e20871654acc92d7c0aa10637703589012a","abstract_canon_sha256":"08e7acb326205f323b354241d4cf6780efbec215952d884cf5d563f55f2ecd56"},"schema_version":"1.0"},"canonical_sha256":"9ec7879b8806c2438cd7281e7ed68d4e2ab4d7e2be1dade2ab5b7aec194d351e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:19:06.131662Z","signature_b64":"bIpguNykNn/y/txTpwveUB/YVEsATSAIuegNYdfmnhu6SiVoxR9iS4Z6gD1BJ0RLuBzC7+dll2nLrZySr5fPBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9ec7879b8806c2438cd7281e7ed68d4e2ab4d7e2be1dade2ab5b7aec194d351e","last_reissued_at":"2026-07-04T15:19:06.131244Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:19:06.131244Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0606599","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":"2026-07-04T15:19:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"01lpSAO5+TMvFyQmtlbdHjuvPNVWYbi5ab7KazYrtRXutLBNGcTlu+Wo5pf517rzJyjlC2B0KNpvsoMTCEtjBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T14:26:18.460649Z"},"content_sha256":"8be9d540c26573089a41401ad0f4af83cae8d5fc7a2f7e634c38627fd74d0de7","schema_version":"1.0","event_id":"sha256:8be9d540c26573089a41401ad0f4af83cae8d5fc7a2f7e634c38627fd74d0de7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:T3DYPG4IA3BEHDGXFAPH5VUNJY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"What triggers galaxy transformations? The environments of post-starburst galaxies","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Alejandro D. Quintero (NYU), Andreas A. Berlind, David W. Hogg, J. Brinkmann (APO), Michael R. Blanton, Morad Masjedi","submitted_at":"2006-06-23T19:55:00Z","abstract_excerpt":"(abridged) There are good observational reasons to believe that the progenitors of red galaxies have undergone starbursts, followed by a post-starburst phase. We investigate the environments of post-starburst galaxies by measuring \\textsl{(1)} number densities in $8 h^{-1} \\mathrm{Mpc}$ radius comoving spheres, \\textsl{(2)} transverse distances to nearest Virgo-like galaxy clusters, and \\textsl{(3)} transverse distances to nearest luminous-galaxy neighbors. We compare the post-starburst galaxies to currently star-forming galaxies identified solely by A-star excess or $\\Halpha$ emission. We fin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0606599","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0606599/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":"2026-07-04T15:19:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SZfmL24BHo7zn3gqpAqr+4ihb72gbj+RbwxbnFsyYYkVyqLbBKihUPnPiIuvZkQ87Rnu1kSMkFuSbvTxHX4RBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T14:26:18.461552Z"},"content_sha256":"39dac866f75a95daedf3d82af27ce316eaa3de8d2d9798e633a0a87a46b09242","schema_version":"1.0","event_id":"sha256:39dac866f75a95daedf3d82af27ce316eaa3de8d2d9798e633a0a87a46b09242"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T3DYPG4IA3BEHDGXFAPH5VUNJY/bundle.json","state_url":"https://pith.science/pith/T3DYPG4IA3BEHDGXFAPH5VUNJY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T3DYPG4IA3BEHDGXFAPH5VUNJY/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":"2026-08-05T14:26:18Z","links":{"resolver":"https://pith.science/pith/T3DYPG4IA3BEHDGXFAPH5VUNJY","bundle":"https://pith.science/pith/T3DYPG4IA3BEHDGXFAPH5VUNJY/bundle.json","state":"https://pith.science/pith/T3DYPG4IA3BEHDGXFAPH5VUNJY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T3DYPG4IA3BEHDGXFAPH5VUNJY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:T3DYPG4IA3BEHDGXFAPH5VUNJY","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":"08e7acb326205f323b354241d4cf6780efbec215952d884cf5d563f55f2ecd56","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-06-23T19:55:00Z","title_canon_sha256":"2413891a21ffd81750905ee8c4315e20871654acc92d7c0aa10637703589012a"},"schema_version":"1.0","source":{"id":"astro-ph/0606599","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0606599","created_at":"2026-07-04T15:19:06Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0606599v2","created_at":"2026-07-04T15:19:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0606599","created_at":"2026-07-04T15:19:06Z"},{"alias_kind":"pith_short_12","alias_value":"T3DYPG4IA3BE","created_at":"2026-07-04T15:19:06Z"},{"alias_kind":"pith_short_16","alias_value":"T3DYPG4IA3BEHDGX","created_at":"2026-07-04T15:19:06Z"},{"alias_kind":"pith_short_8","alias_value":"T3DYPG4I","created_at":"2026-07-04T15:19:06Z"}],"graph_snapshots":[{"event_id":"sha256:39dac866f75a95daedf3d82af27ce316eaa3de8d2d9798e633a0a87a46b09242","target":"graph","created_at":"2026-07-04T15:19:06Z","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/astro-ph/0606599/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"(abridged) There are good observational reasons to believe that the progenitors of red galaxies have undergone starbursts, followed by a post-starburst phase. We investigate the environments of post-starburst galaxies by measuring \\textsl{(1)} number densities in $8 h^{-1} \\mathrm{Mpc}$ radius comoving spheres, \\textsl{(2)} transverse distances to nearest Virgo-like galaxy clusters, and \\textsl{(3)} transverse distances to nearest luminous-galaxy neighbors. We compare the post-starburst galaxies to currently star-forming galaxies identified solely by A-star excess or $\\Halpha$ emission. We fin","authors_text":"Alejandro D. Quintero (NYU), Andreas A. Berlind, David W. Hogg, J. Brinkmann (APO), Michael R. Blanton, Morad Masjedi","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-06-23T19:55:00Z","title":"What triggers galaxy transformations? The environments of post-starburst galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0606599","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":"sha256:8be9d540c26573089a41401ad0f4af83cae8d5fc7a2f7e634c38627fd74d0de7","target":"record","created_at":"2026-07-04T15:19:06Z","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":"08e7acb326205f323b354241d4cf6780efbec215952d884cf5d563f55f2ecd56","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-06-23T19:55:00Z","title_canon_sha256":"2413891a21ffd81750905ee8c4315e20871654acc92d7c0aa10637703589012a"},"schema_version":"1.0","source":{"id":"astro-ph/0606599","kind":"arxiv","version":2}},"canonical_sha256":"9ec7879b8806c2438cd7281e7ed68d4e2ab4d7e2be1dade2ab5b7aec194d351e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9ec7879b8806c2438cd7281e7ed68d4e2ab4d7e2be1dade2ab5b7aec194d351e","first_computed_at":"2026-07-04T15:19:06.131244Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:19:06.131244Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bIpguNykNn/y/txTpwveUB/YVEsATSAIuegNYdfmnhu6SiVoxR9iS4Z6gD1BJ0RLuBzC7+dll2nLrZySr5fPBA==","signature_status":"signed_v1","signed_at":"2026-07-04T15:19:06.131662Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0606599","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8be9d540c26573089a41401ad0f4af83cae8d5fc7a2f7e634c38627fd74d0de7","sha256:39dac866f75a95daedf3d82af27ce316eaa3de8d2d9798e633a0a87a46b09242"],"state_sha256":"4819e51a586df57c9c140c92e762203db52b5973067403bd173f5ad3b7390822"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IQk0gZrSnf84+1eUcBGBfw+lBiLBVFq2VF1IW0vC68cGRbVW54JP0k1IHMHO1g+4saJUcKZbWpfaxIWV4GnECQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T14:26:18.466999Z","bundle_sha256":"842fd6ec9482b1e2649be9c7381bd6791753769071514aa0431d58d8ce971a80"}}