{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1995:EZRWK4FTAP6TMX2XJ7TP5HLBP3","short_pith_number":"pith:EZRWK4FT","canonical_record":{"source":{"id":"astro-ph/9510131","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1995-10-25T12:16:31Z","cross_cats_sorted":[],"title_canon_sha256":"6151db00a1c74bb82a3a7022637754074d5ddb3ab7ff66d863b3113a91dab0e4","abstract_canon_sha256":"5a3f09d1de9742a0aac1183ccaca9197a2b4fcbed8f097fcf1d1c9d426be3c00"},"schema_version":"1.0"},"canonical_sha256":"26636570b303fd365f574fe6fe9d617ec3c966d5a67851035c477a5c1271909c","source":{"kind":"arxiv","id":"astro-ph/9510131","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9510131","created_at":"2026-05-18T01:40:22Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9510131v2","created_at":"2026-05-18T01:40:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9510131","created_at":"2026-05-18T01:40:22Z"},{"alias_kind":"pith_short_12","alias_value":"EZRWK4FTAP6T","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"EZRWK4FTAP6TMX2X","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"EZRWK4FT","created_at":"2026-05-18T12:25:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1995:EZRWK4FTAP6TMX2XJ7TP5HLBP3","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9510131","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1995-10-25T12:16:31Z","cross_cats_sorted":[],"title_canon_sha256":"6151db00a1c74bb82a3a7022637754074d5ddb3ab7ff66d863b3113a91dab0e4","abstract_canon_sha256":"5a3f09d1de9742a0aac1183ccaca9197a2b4fcbed8f097fcf1d1c9d426be3c00"},"schema_version":"1.0"},"canonical_sha256":"26636570b303fd365f574fe6fe9d617ec3c966d5a67851035c477a5c1271909c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:22.503413Z","signature_b64":"RxabFp/af1X995iWQR2P7LB2OfMqiBIul8sGYyo6OuclijvNY24lS5+NRAd353fRNIbUv6+Qp7Wo/ypdAkN2AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"26636570b303fd365f574fe6fe9d617ec3c966d5a67851035c477a5c1271909c","last_reissued_at":"2026-05-18T01:40:22.502873Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:22.502873Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9510131","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":"2026-05-18T01:40:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zHWEbZm9YaIPq2clacQkUToAWm7kEAFmzuyY9b8CbnulreAQOoKiO3AlVlJgDg3iTQrmdu1T+HlcJzGheVwaAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T04:17:42.513700Z"},"content_sha256":"62682871cf0726801dbba230bffdfc7223541237695cb53837f83822163b0b0d","schema_version":"1.0","event_id":"sha256:62682871cf0726801dbba230bffdfc7223541237695cb53837f83822163b0b0d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1995:EZRWK4FTAP6TMX2XJ7TP5HLBP3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Colors, Luminosity Function and Counts of Galaxies","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Iovino, G. Chincarini, P. Saracco","submitted_at":"1995-10-25T12:16:31Z","abstract_excerpt":"Standard models for deep galaxy counts are based on luminosity functions (LF) with relatively flat faint end ($\\alpha\\sim-1.0$). Galaxy counts in the B--band exceed the prediction of such models by a factor of 2 to more than 5, forcing the introduction of strong luminosity and/or density evolution. Recently Marzke et al. (1994a) using the CfA redshift survey sample find that the number of galaxies in the range $-16<M_{Zw}<-13$ exceeds the extrapolation of a flat faint end LF by a factor of 2. Here we show that this steep LF substantially contributes to justify the observed blue galaxy counts w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9510131","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":"2026-05-18T01:40:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GlpTH1UKjqfwSiUf/SCYTT7+2O1cbl/Xp697Oqoe+Y05gDnPr5HedrKIGRFGQBeca8uX9ZxXPsVxRthkaYXnAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T04:17:42.514038Z"},"content_sha256":"26659595e7e5cade325a9c2c7c22c02108c91d5651a8a17bbd00c6477d747a25","schema_version":"1.0","event_id":"sha256:26659595e7e5cade325a9c2c7c22c02108c91d5651a8a17bbd00c6477d747a25"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EZRWK4FTAP6TMX2XJ7TP5HLBP3/bundle.json","state_url":"https://pith.science/pith/EZRWK4FTAP6TMX2XJ7TP5HLBP3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EZRWK4FTAP6TMX2XJ7TP5HLBP3/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":"2026-06-02T04:17:42Z","links":{"resolver":"https://pith.science/pith/EZRWK4FTAP6TMX2XJ7TP5HLBP3","bundle":"https://pith.science/pith/EZRWK4FTAP6TMX2XJ7TP5HLBP3/bundle.json","state":"https://pith.science/pith/EZRWK4FTAP6TMX2XJ7TP5HLBP3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EZRWK4FTAP6TMX2XJ7TP5HLBP3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1995:EZRWK4FTAP6TMX2XJ7TP5HLBP3","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":"5a3f09d1de9742a0aac1183ccaca9197a2b4fcbed8f097fcf1d1c9d426be3c00","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1995-10-25T12:16:31Z","title_canon_sha256":"6151db00a1c74bb82a3a7022637754074d5ddb3ab7ff66d863b3113a91dab0e4"},"schema_version":"1.0","source":{"id":"astro-ph/9510131","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9510131","created_at":"2026-05-18T01:40:22Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9510131v2","created_at":"2026-05-18T01:40:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9510131","created_at":"2026-05-18T01:40:22Z"},{"alias_kind":"pith_short_12","alias_value":"EZRWK4FTAP6T","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"EZRWK4FTAP6TMX2X","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"EZRWK4FT","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:26659595e7e5cade325a9c2c7c22c02108c91d5651a8a17bbd00c6477d747a25","target":"graph","created_at":"2026-05-18T01:40:22Z","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":"Standard models for deep galaxy counts are based on luminosity functions (LF) with relatively flat faint end ($\\alpha\\sim-1.0$). Galaxy counts in the B--band exceed the prediction of such models by a factor of 2 to more than 5, forcing the introduction of strong luminosity and/or density evolution. Recently Marzke et al. (1994a) using the CfA redshift survey sample find that the number of galaxies in the range $-16<M_{Zw}<-13$ exceeds the extrapolation of a flat faint end LF by a factor of 2. Here we show that this steep LF substantially contributes to justify the observed blue galaxy counts w","authors_text":"A. Iovino, G. Chincarini, P. Saracco","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1995-10-25T12:16:31Z","title":"Colors, Luminosity Function and Counts of Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9510131","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":"sha256:62682871cf0726801dbba230bffdfc7223541237695cb53837f83822163b0b0d","target":"record","created_at":"2026-05-18T01:40:22Z","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":"5a3f09d1de9742a0aac1183ccaca9197a2b4fcbed8f097fcf1d1c9d426be3c00","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1995-10-25T12:16:31Z","title_canon_sha256":"6151db00a1c74bb82a3a7022637754074d5ddb3ab7ff66d863b3113a91dab0e4"},"schema_version":"1.0","source":{"id":"astro-ph/9510131","kind":"arxiv","version":2}},"canonical_sha256":"26636570b303fd365f574fe6fe9d617ec3c966d5a67851035c477a5c1271909c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"26636570b303fd365f574fe6fe9d617ec3c966d5a67851035c477a5c1271909c","first_computed_at":"2026-05-18T01:40:22.502873Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:40:22.502873Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RxabFp/af1X995iWQR2P7LB2OfMqiBIul8sGYyo6OuclijvNY24lS5+NRAd353fRNIbUv6+Qp7Wo/ypdAkN2AA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:40:22.503413Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9510131","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:62682871cf0726801dbba230bffdfc7223541237695cb53837f83822163b0b0d","sha256:26659595e7e5cade325a9c2c7c22c02108c91d5651a8a17bbd00c6477d747a25"],"state_sha256":"d3705a9fb469c370f3c46351809a6213bc90f41f70791defe8b9a2b2bbb3b09b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SkS8Lk6pfejvrZvPopWPCILHd1/oW/NA90sKLlA4GulTgXq3IJER+lZO48pA3SivnodTkWkE/lc4S3dvVrZ5Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T04:17:42.515904Z","bundle_sha256":"addf1d87f619cafcc77183c0509fcfda78de1e66797120b428a8976cc7d39cd2"}}