{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:DJ5LXR7NCMCRTPAAP2ZZLLTLVN","short_pith_number":"pith:DJ5LXR7N","canonical_record":{"source":{"id":"1211.1975","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-11-08T21:00:03Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"c049a839676867c2a65bab5d9c81ab739e317d08a553f0e74d3736202232707e","abstract_canon_sha256":"d6acacc7fdabaa5dada992dff589b04acd751fb20cd6dadd24c2edc7998898af"},"schema_version":"1.0"},"canonical_sha256":"1a7abbc7ed130519bc007eb395ae6bab65e559007a93a62135591792d5bd64ef","source":{"kind":"arxiv","id":"1211.1975","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.1975","created_at":"2026-05-18T01:53:17Z"},{"alias_kind":"arxiv_version","alias_value":"1211.1975v1","created_at":"2026-05-18T01:53:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.1975","created_at":"2026-05-18T01:53:17Z"},{"alias_kind":"pith_short_12","alias_value":"DJ5LXR7NCMCR","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"DJ5LXR7NCMCRTPAA","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"DJ5LXR7N","created_at":"2026-05-18T12:27:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:DJ5LXR7NCMCRTPAAP2ZZLLTLVN","target":"record","payload":{"canonical_record":{"source":{"id":"1211.1975","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-11-08T21:00:03Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"c049a839676867c2a65bab5d9c81ab739e317d08a553f0e74d3736202232707e","abstract_canon_sha256":"d6acacc7fdabaa5dada992dff589b04acd751fb20cd6dadd24c2edc7998898af"},"schema_version":"1.0"},"canonical_sha256":"1a7abbc7ed130519bc007eb395ae6bab65e559007a93a62135591792d5bd64ef","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:53:17.776937Z","signature_b64":"oeuOPNIBCuoOtgYBrgOZJ4Aby2W2L0Qov7Jbi7yRI7rGQyZgwx6/VwbsBIhJPP8autWmo/Dv2+UxBzA5Nzn+DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1a7abbc7ed130519bc007eb395ae6bab65e559007a93a62135591792d5bd64ef","last_reissued_at":"2026-05-18T01:53:17.776275Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:53:17.776275Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1211.1975","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":"2026-05-18T01:53:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d95N04SGrAtQ+D65QMa/ffvW0XB6KhMD7g8mWdofDYz4R4YwPyL2GkTxgHJuDzKqmpl59GAnav/uOQr9g7wtCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T01:51:51.097006Z"},"content_sha256":"9fe69836371af7b11184ebe6e013a643695ef75ebfa111c99cbe08b1ca85c04a","schema_version":"1.0","event_id":"sha256:9fe69836371af7b11184ebe6e013a643695ef75ebfa111c99cbe08b1ca85c04a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:DJ5LXR7NCMCRTPAAP2ZZLLTLVN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The luminosity function of diverse satellite galaxy systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"G. Stinson, H. M. P. Couchman, J. Bailin, J. Wadsley, S. Nickerson","submitted_at":"2012-11-08T21:00:03Z","abstract_excerpt":"The high-resolution, SPH galaxies of the McMaster Unbiased Galaxy Survey (MUGS) are used to examine the satellite systems of sixteen model host galaxies. Each galaxy has a different mass, angular momentum and merger history that yield a rich set of satellite luminosity functions. With new observations of distant satellite systems, we can compare these luminosity functions to satellite systems beyond the Local Group. We find that the luminosity functions of our simulations compare well to observations when the luminosity functions are scaled according to host mass. We use the recently-found rel"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.1975","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":"2026-05-18T01:53:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/GHRAfn9gWrbCEPFq260/yq30J9VxChzH1ditsD+/bwC4+nrz8FCOOWeL2J17GY7UIFNTe/85N78SettC3fMAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T01:51:51.097365Z"},"content_sha256":"704a8551b735ec7df7e4e8d5c3d010db9f0c96976a447e6e89af13be19716356","schema_version":"1.0","event_id":"sha256:704a8551b735ec7df7e4e8d5c3d010db9f0c96976a447e6e89af13be19716356"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DJ5LXR7NCMCRTPAAP2ZZLLTLVN/bundle.json","state_url":"https://pith.science/pith/DJ5LXR7NCMCRTPAAP2ZZLLTLVN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DJ5LXR7NCMCRTPAAP2ZZLLTLVN/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":"2026-05-22T01:51:51Z","links":{"resolver":"https://pith.science/pith/DJ5LXR7NCMCRTPAAP2ZZLLTLVN","bundle":"https://pith.science/pith/DJ5LXR7NCMCRTPAAP2ZZLLTLVN/bundle.json","state":"https://pith.science/pith/DJ5LXR7NCMCRTPAAP2ZZLLTLVN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DJ5LXR7NCMCRTPAAP2ZZLLTLVN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:DJ5LXR7NCMCRTPAAP2ZZLLTLVN","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":"d6acacc7fdabaa5dada992dff589b04acd751fb20cd6dadd24c2edc7998898af","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-11-08T21:00:03Z","title_canon_sha256":"c049a839676867c2a65bab5d9c81ab739e317d08a553f0e74d3736202232707e"},"schema_version":"1.0","source":{"id":"1211.1975","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.1975","created_at":"2026-05-18T01:53:17Z"},{"alias_kind":"arxiv_version","alias_value":"1211.1975v1","created_at":"2026-05-18T01:53:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.1975","created_at":"2026-05-18T01:53:17Z"},{"alias_kind":"pith_short_12","alias_value":"DJ5LXR7NCMCR","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"DJ5LXR7NCMCRTPAA","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"DJ5LXR7N","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:704a8551b735ec7df7e4e8d5c3d010db9f0c96976a447e6e89af13be19716356","target":"graph","created_at":"2026-05-18T01:53:17Z","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":"The high-resolution, SPH galaxies of the McMaster Unbiased Galaxy Survey (MUGS) are used to examine the satellite systems of sixteen model host galaxies. Each galaxy has a different mass, angular momentum and merger history that yield a rich set of satellite luminosity functions. With new observations of distant satellite systems, we can compare these luminosity functions to satellite systems beyond the Local Group. We find that the luminosity functions of our simulations compare well to observations when the luminosity functions are scaled according to host mass. We use the recently-found rel","authors_text":"G. Stinson, H. M. P. Couchman, J. Bailin, J. Wadsley, S. Nickerson","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-11-08T21:00:03Z","title":"The luminosity function of diverse satellite galaxy systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.1975","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":"sha256:9fe69836371af7b11184ebe6e013a643695ef75ebfa111c99cbe08b1ca85c04a","target":"record","created_at":"2026-05-18T01:53:17Z","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":"d6acacc7fdabaa5dada992dff589b04acd751fb20cd6dadd24c2edc7998898af","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-11-08T21:00:03Z","title_canon_sha256":"c049a839676867c2a65bab5d9c81ab739e317d08a553f0e74d3736202232707e"},"schema_version":"1.0","source":{"id":"1211.1975","kind":"arxiv","version":1}},"canonical_sha256":"1a7abbc7ed130519bc007eb395ae6bab65e559007a93a62135591792d5bd64ef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1a7abbc7ed130519bc007eb395ae6bab65e559007a93a62135591792d5bd64ef","first_computed_at":"2026-05-18T01:53:17.776275Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:53:17.776275Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oeuOPNIBCuoOtgYBrgOZJ4Aby2W2L0Qov7Jbi7yRI7rGQyZgwx6/VwbsBIhJPP8autWmo/Dv2+UxBzA5Nzn+DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:53:17.776937Z","signed_message":"canonical_sha256_bytes"},"source_id":"1211.1975","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9fe69836371af7b11184ebe6e013a643695ef75ebfa111c99cbe08b1ca85c04a","sha256:704a8551b735ec7df7e4e8d5c3d010db9f0c96976a447e6e89af13be19716356"],"state_sha256":"2d7d446ca605b576995a04c23c024fe3e2d6029d4b5e126733a7e048d3c646b6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0DCGayGwoOGErC81FhQ1GLOSOCzDTpqREJy/opquwV5CKofLd5t+7Ju+MB81PtuP6HWfMwyaJ2iz3+VjWLwTDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T01:51:51.099532Z","bundle_sha256":"0be703a1c26ef9a0d5ded2f06b6c0138619de3f088a64c7edc94578de4aab958"}}