{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:AZK2IPH2W5QKHCLVFZGDEQGA7V","short_pith_number":"pith:AZK2IPH2","canonical_record":{"source":{"id":"1811.08898","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-21T19:00:00Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"d9fddfb05787b8bc9abefee110f6910202f173fd52cccc9c1cbe72cbd3b482be","abstract_canon_sha256":"116275bd1cab3f655c84138b7b26dfe4926b0bc8b368e74697d0c566f3cca985"},"schema_version":"1.0"},"canonical_sha256":"0655a43cfab760a389752e4c3240c0fd6c816d2178b02793cd488b2872c75477","source":{"kind":"arxiv","id":"1811.08898","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.08898","created_at":"2026-05-17T23:56:16Z"},{"alias_kind":"arxiv_version","alias_value":"1811.08898v1","created_at":"2026-05-17T23:56:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.08898","created_at":"2026-05-17T23:56:16Z"},{"alias_kind":"pith_short_12","alias_value":"AZK2IPH2W5QK","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"AZK2IPH2W5QKHCLV","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"AZK2IPH2","created_at":"2026-05-18T12:32:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:AZK2IPH2W5QKHCLVFZGDEQGA7V","target":"record","payload":{"canonical_record":{"source":{"id":"1811.08898","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-21T19:00:00Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"d9fddfb05787b8bc9abefee110f6910202f173fd52cccc9c1cbe72cbd3b482be","abstract_canon_sha256":"116275bd1cab3f655c84138b7b26dfe4926b0bc8b368e74697d0c566f3cca985"},"schema_version":"1.0"},"canonical_sha256":"0655a43cfab760a389752e4c3240c0fd6c816d2178b02793cd488b2872c75477","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:56:16.737594Z","signature_b64":"iel5XQgvzMG1Cjf/oMGz6DsjnBlLAMfOzH0Tt0xr+zewGLuQ+LhZ4glBar92H9Y81ItDGVMtye8+c/fwGHqXCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0655a43cfab760a389752e4c3240c0fd6c816d2178b02793cd488b2872c75477","last_reissued_at":"2026-05-17T23:56:16.736927Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:56:16.736927Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.08898","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":"2026-05-17T23:56:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y3o1g8HbqFnbU4Ya5CxeFcMarye8h+9C2ZVPzyqbMmq/FKH1IbZ456hEGsTvVcqXVLX+cjNQG7l5qepIxVZDDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:05:57.040518Z"},"content_sha256":"bdf4cf0f0e60ce7474a1daaa8da028a261e53c6352c9dfd09b34c7a19bf48ffd","schema_version":"1.0","event_id":"sha256:bdf4cf0f0e60ce7474a1daaa8da028a261e53c6352c9dfd09b34c7a19bf48ffd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:AZK2IPH2W5QKHCLVFZGDEQGA7V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The number of dwarf satellites of disk galaxies versus their bulge mass in the standard model of cosmology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"A. Molaeinezhad, B. Javanmardi, H. G. Khosroshahi, M. Raouf, O. M\\\"uller, S. Tavasoli","submitted_at":"2018-11-21T19:00:00Z","abstract_excerpt":"There is a correlation between bulge mass of the three main galaxies of the Local Group (LG), i.e. M31, Milky Way (MW), and M33, and the number of their dwarf spheroidal galaxies. A similar correlation has also been reported for spiral galaxies with comparable luminosities outside the LG. These correlations do not appear to be expected in standard hierarchical galaxy formation. In this contribution, and for the first time, we present a quantitative investigation of the expectations of the standard model of cosmology for this possible relation using a galaxy catalogue based on the Millennium-II"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.08898","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":"2026-05-17T23:56:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2qcL13WF82pkuZ8hDqkFDqJtUlv+Mb5QPR0JHqgIBmgSw+YlDIsb8XUMcap8sb8Nna4yMzX1Prf8IsPU1UonBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:05:57.041135Z"},"content_sha256":"e6088620619f648bb6c80ca2cf1a4b329366cf8ee14dec4889e7615cf7930de3","schema_version":"1.0","event_id":"sha256:e6088620619f648bb6c80ca2cf1a4b329366cf8ee14dec4889e7615cf7930de3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AZK2IPH2W5QKHCLVFZGDEQGA7V/bundle.json","state_url":"https://pith.science/pith/AZK2IPH2W5QKHCLVFZGDEQGA7V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AZK2IPH2W5QKHCLVFZGDEQGA7V/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":"2026-07-07T09:05:57Z","links":{"resolver":"https://pith.science/pith/AZK2IPH2W5QKHCLVFZGDEQGA7V","bundle":"https://pith.science/pith/AZK2IPH2W5QKHCLVFZGDEQGA7V/bundle.json","state":"https://pith.science/pith/AZK2IPH2W5QKHCLVFZGDEQGA7V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AZK2IPH2W5QKHCLVFZGDEQGA7V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:AZK2IPH2W5QKHCLVFZGDEQGA7V","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":"116275bd1cab3f655c84138b7b26dfe4926b0bc8b368e74697d0c566f3cca985","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-21T19:00:00Z","title_canon_sha256":"d9fddfb05787b8bc9abefee110f6910202f173fd52cccc9c1cbe72cbd3b482be"},"schema_version":"1.0","source":{"id":"1811.08898","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.08898","created_at":"2026-05-17T23:56:16Z"},{"alias_kind":"arxiv_version","alias_value":"1811.08898v1","created_at":"2026-05-17T23:56:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.08898","created_at":"2026-05-17T23:56:16Z"},{"alias_kind":"pith_short_12","alias_value":"AZK2IPH2W5QK","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"AZK2IPH2W5QKHCLV","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"AZK2IPH2","created_at":"2026-05-18T12:32:13Z"}],"graph_snapshots":[{"event_id":"sha256:e6088620619f648bb6c80ca2cf1a4b329366cf8ee14dec4889e7615cf7930de3","target":"graph","created_at":"2026-05-17T23:56:16Z","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":"There is a correlation between bulge mass of the three main galaxies of the Local Group (LG), i.e. M31, Milky Way (MW), and M33, and the number of their dwarf spheroidal galaxies. A similar correlation has also been reported for spiral galaxies with comparable luminosities outside the LG. These correlations do not appear to be expected in standard hierarchical galaxy formation. In this contribution, and for the first time, we present a quantitative investigation of the expectations of the standard model of cosmology for this possible relation using a galaxy catalogue based on the Millennium-II","authors_text":"A. Molaeinezhad, B. Javanmardi, H. G. Khosroshahi, M. Raouf, O. M\\\"uller, S. Tavasoli","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-21T19:00:00Z","title":"The number of dwarf satellites of disk galaxies versus their bulge mass in the standard model of cosmology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.08898","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:bdf4cf0f0e60ce7474a1daaa8da028a261e53c6352c9dfd09b34c7a19bf48ffd","target":"record","created_at":"2026-05-17T23:56:16Z","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":"116275bd1cab3f655c84138b7b26dfe4926b0bc8b368e74697d0c566f3cca985","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-21T19:00:00Z","title_canon_sha256":"d9fddfb05787b8bc9abefee110f6910202f173fd52cccc9c1cbe72cbd3b482be"},"schema_version":"1.0","source":{"id":"1811.08898","kind":"arxiv","version":1}},"canonical_sha256":"0655a43cfab760a389752e4c3240c0fd6c816d2178b02793cd488b2872c75477","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0655a43cfab760a389752e4c3240c0fd6c816d2178b02793cd488b2872c75477","first_computed_at":"2026-05-17T23:56:16.736927Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:16.736927Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iel5XQgvzMG1Cjf/oMGz6DsjnBlLAMfOzH0Tt0xr+zewGLuQ+LhZ4glBar92H9Y81ItDGVMtye8+c/fwGHqXCw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:16.737594Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.08898","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bdf4cf0f0e60ce7474a1daaa8da028a261e53c6352c9dfd09b34c7a19bf48ffd","sha256:e6088620619f648bb6c80ca2cf1a4b329366cf8ee14dec4889e7615cf7930de3"],"state_sha256":"d18472909076469ae4c1e951c2345449ff6172b5a8638eb9be33af90f462a0cc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"STdjnusu0i9p9QC8jlN50QiQ9KaRbwalZQraqqLHmTQE5adc88UEY3KDahUXl1aYTXvZxulJ8jNZwO4WHw8VDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T09:05:57.044053Z","bundle_sha256":"9d8c238fcb266b7ef5bbdcb04bd3c0e2a198bc2ea738e832189c01bca7aff668"}}