{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:BOZS5GPCNVEVTWCRXMLIJCVUAF","short_pith_number":"pith:BOZS5GPC","canonical_record":{"source":{"id":"1504.02777","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-04-10T20:00:30Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"f05d8237ee052f9c750f1aa8082e84d79fdb416632bae359f1d3321e66caef39","abstract_canon_sha256":"0faf2d2406b101e0995ae01f1393e8a7eb0dec74602dfb2ed3ee1f0961827451"},"schema_version":"1.0"},"canonical_sha256":"0bb32e99e26d4959d851bb16848ab40159785d1883e76ae3a6b8d7a412afea5d","source":{"kind":"arxiv","id":"1504.02777","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.02777","created_at":"2026-05-18T01:32:18Z"},{"alias_kind":"arxiv_version","alias_value":"1504.02777v3","created_at":"2026-05-18T01:32:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.02777","created_at":"2026-05-18T01:32:18Z"},{"alias_kind":"pith_short_12","alias_value":"BOZS5GPCNVEV","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"BOZS5GPCNVEVTWCR","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"BOZS5GPC","created_at":"2026-05-18T12:29:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:BOZS5GPCNVEVTWCRXMLIJCVUAF","target":"record","payload":{"canonical_record":{"source":{"id":"1504.02777","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-04-10T20:00:30Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"f05d8237ee052f9c750f1aa8082e84d79fdb416632bae359f1d3321e66caef39","abstract_canon_sha256":"0faf2d2406b101e0995ae01f1393e8a7eb0dec74602dfb2ed3ee1f0961827451"},"schema_version":"1.0"},"canonical_sha256":"0bb32e99e26d4959d851bb16848ab40159785d1883e76ae3a6b8d7a412afea5d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:32:18.637284Z","signature_b64":"kkvKfhyAyh6UwazFJ4fZwzhry1hldRYoyMPksYOHPJrESJK5zvATxo7YKLLgXa2VRZcWnNiEt30gkK440dZPDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0bb32e99e26d4959d851bb16848ab40159785d1883e76ae3a6b8d7a412afea5d","last_reissued_at":"2026-05-18T01:32:18.636684Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:32:18.636684Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.02777","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:32:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0kJjMTuJxHgATMrmbNRuTDJw5GOw7Yg6+knAKDMlsqrfOX8+hEnEOyJEfqo5chqFuyeI2txXqP7bz0ulWuLqBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T15:02:22.631808Z"},"content_sha256":"35176e522b06f9e54aa2b9376999fbd25f50a6008e5c905f1651afb6f54559ca","schema_version":"1.0","event_id":"sha256:35176e522b06f9e54aa2b9376999fbd25f50a6008e5c905f1651afb6f54559ca"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:BOZS5GPCNVEVTWCRXMLIJCVUAF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The abundance of satellites depends strongly on the morphology of the host galaxy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Esther M\\'armol-Queralt\\'o, Ignacio Trujillo, Pablo Ruiz","submitted_at":"2015-04-10T20:00:30Z","abstract_excerpt":"Using the spectroscopic catalogue of the Sloan Digital Survey Data Release 10, we have explored the abundance of satellites around a sample of 254 massive (10^11< M_star < 2 x 10^11 M_sun) local (z < 0.025) galaxies. We have divided our sample into four morphological groups (E, S0, Sa, Sb/c). We find that the number of satellites with M_star > 10^9 M_sun and R < 300 kpc depends drastically on the morphology of the central galaxy. The average number of satellites per galaxy host (N_Sat/N_Host) down to a mass ratio of 1:100 is 4.5 +/- 0.3 for E hosts, 2.6 +/- 0.2 for S0, 1.5 +/- 0.1 for Sa and 1"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.02777","kind":"arxiv","version":3},"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":"2026-05-18T01:32:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jgdVTQMWgjs/OlGwrkh6IP12n+hdtw21Yh4KCDdUhI9DsWZHspCoU8vEBQWvRnAAR9m3DQ9UepJvlDNPpXBaCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T15:02:22.632333Z"},"content_sha256":"baf09e8e000b89b5699594913aa200dc626ab8fe0e99a596e7705dd73a4bc772","schema_version":"1.0","event_id":"sha256:baf09e8e000b89b5699594913aa200dc626ab8fe0e99a596e7705dd73a4bc772"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BOZS5GPCNVEVTWCRXMLIJCVUAF/bundle.json","state_url":"https://pith.science/pith/BOZS5GPCNVEVTWCRXMLIJCVUAF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BOZS5GPCNVEVTWCRXMLIJCVUAF/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":"2026-05-31T15:02:22Z","links":{"resolver":"https://pith.science/pith/BOZS5GPCNVEVTWCRXMLIJCVUAF","bundle":"https://pith.science/pith/BOZS5GPCNVEVTWCRXMLIJCVUAF/bundle.json","state":"https://pith.science/pith/BOZS5GPCNVEVTWCRXMLIJCVUAF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BOZS5GPCNVEVTWCRXMLIJCVUAF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:BOZS5GPCNVEVTWCRXMLIJCVUAF","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":"0faf2d2406b101e0995ae01f1393e8a7eb0dec74602dfb2ed3ee1f0961827451","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-04-10T20:00:30Z","title_canon_sha256":"f05d8237ee052f9c750f1aa8082e84d79fdb416632bae359f1d3321e66caef39"},"schema_version":"1.0","source":{"id":"1504.02777","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.02777","created_at":"2026-05-18T01:32:18Z"},{"alias_kind":"arxiv_version","alias_value":"1504.02777v3","created_at":"2026-05-18T01:32:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.02777","created_at":"2026-05-18T01:32:18Z"},{"alias_kind":"pith_short_12","alias_value":"BOZS5GPCNVEV","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"BOZS5GPCNVEVTWCR","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"BOZS5GPC","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:baf09e8e000b89b5699594913aa200dc626ab8fe0e99a596e7705dd73a4bc772","target":"graph","created_at":"2026-05-18T01:32:18Z","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 the spectroscopic catalogue of the Sloan Digital Survey Data Release 10, we have explored the abundance of satellites around a sample of 254 massive (10^11< M_star < 2 x 10^11 M_sun) local (z < 0.025) galaxies. We have divided our sample into four morphological groups (E, S0, Sa, Sb/c). We find that the number of satellites with M_star > 10^9 M_sun and R < 300 kpc depends drastically on the morphology of the central galaxy. The average number of satellites per galaxy host (N_Sat/N_Host) down to a mass ratio of 1:100 is 4.5 +/- 0.3 for E hosts, 2.6 +/- 0.2 for S0, 1.5 +/- 0.1 for Sa and 1","authors_text":"Esther M\\'armol-Queralt\\'o, Ignacio Trujillo, Pablo Ruiz","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-04-10T20:00:30Z","title":"The abundance of satellites depends strongly on the morphology of the host galaxy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.02777","kind":"arxiv","version":3},"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":"sha256:35176e522b06f9e54aa2b9376999fbd25f50a6008e5c905f1651afb6f54559ca","target":"record","created_at":"2026-05-18T01:32:18Z","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":"0faf2d2406b101e0995ae01f1393e8a7eb0dec74602dfb2ed3ee1f0961827451","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-04-10T20:00:30Z","title_canon_sha256":"f05d8237ee052f9c750f1aa8082e84d79fdb416632bae359f1d3321e66caef39"},"schema_version":"1.0","source":{"id":"1504.02777","kind":"arxiv","version":3}},"canonical_sha256":"0bb32e99e26d4959d851bb16848ab40159785d1883e76ae3a6b8d7a412afea5d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0bb32e99e26d4959d851bb16848ab40159785d1883e76ae3a6b8d7a412afea5d","first_computed_at":"2026-05-18T01:32:18.636684Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:32:18.636684Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kkvKfhyAyh6UwazFJ4fZwzhry1hldRYoyMPksYOHPJrESJK5zvATxo7YKLLgXa2VRZcWnNiEt30gkK440dZPDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:32:18.637284Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.02777","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:35176e522b06f9e54aa2b9376999fbd25f50a6008e5c905f1651afb6f54559ca","sha256:baf09e8e000b89b5699594913aa200dc626ab8fe0e99a596e7705dd73a4bc772"],"state_sha256":"d4a4118d291254b5352e3c1a7e3d035fa7dcf17fdf73d1c1027b576c2aaf6f97"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jx6qCe15lA/1QTdB5/uDEt2uL09tGv/1Uzm9SZu+q0Ct7TGiPTJd2NOtq6/8u4EErzproa7ylwGe6bLT+tCBCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T15:02:22.635704Z","bundle_sha256":"8e700fa2bc3e43047f37af49345097826c226d7a9428a265670f6af516e74c20"}}