{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:IXYL4K3VNZIUK7BKBZDVL4MOC5","short_pith_number":"pith:IXYL4K3V","canonical_record":{"source":{"id":"1305.5471","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-05-23T16:02:02Z","cross_cats_sorted":[],"title_canon_sha256":"6e687b1b1dc41d4208e9ccbe4cccc54fbd8e41159d77c43db242680685e7e9fd","abstract_canon_sha256":"f0a4e8186ee654feee28f65b47697b82dbd4a37a08467665aed55b0798d92c82"},"schema_version":"1.0"},"canonical_sha256":"45f0be2b756e51457c2a0e4755f18e176cc0ea32730286ed43daf1d96ffd94dd","source":{"kind":"arxiv","id":"1305.5471","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.5471","created_at":"2026-05-18T01:49:47Z"},{"alias_kind":"arxiv_version","alias_value":"1305.5471v4","created_at":"2026-05-18T01:49:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.5471","created_at":"2026-05-18T01:49:47Z"},{"alias_kind":"pith_short_12","alias_value":"IXYL4K3VNZIU","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"IXYL4K3VNZIUK7BK","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"IXYL4K3V","created_at":"2026-05-18T12:27:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:IXYL4K3VNZIUK7BKBZDVL4MOC5","target":"record","payload":{"canonical_record":{"source":{"id":"1305.5471","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-05-23T16:02:02Z","cross_cats_sorted":[],"title_canon_sha256":"6e687b1b1dc41d4208e9ccbe4cccc54fbd8e41159d77c43db242680685e7e9fd","abstract_canon_sha256":"f0a4e8186ee654feee28f65b47697b82dbd4a37a08467665aed55b0798d92c82"},"schema_version":"1.0"},"canonical_sha256":"45f0be2b756e51457c2a0e4755f18e176cc0ea32730286ed43daf1d96ffd94dd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:49:47.233771Z","signature_b64":"SEsIZsjpL6WSVIxoHEe9PE2cB+ac8pn4HU+C1d8vINFRbsUYOTyXvuLZhV9hXIcKgg/LCZajOi4gnNDxREFFDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"45f0be2b756e51457c2a0e4755f18e176cc0ea32730286ed43daf1d96ffd94dd","last_reissued_at":"2026-05-18T01:49:47.233150Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:49:47.233150Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.5471","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:49:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0Xmlc3Z8ehb5rQTbaqugGs5OKXbxkhvbX6t5Bd0hDSUxXtSG40XtgdtBIkgzUTh+RfS5yMiROahU8GXai2IvDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T15:34:10.895902Z"},"content_sha256":"286a8ef845cb214bb27f94a4cc7e3fcf7e9fcc32e710afa33e153405e98bd3a2","schema_version":"1.0","event_id":"sha256:286a8ef845cb214bb27f94a4cc7e3fcf7e9fcc32e710afa33e153405e98bd3a2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:IXYL4K3VNZIUK7BKBZDVL4MOC5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modelling mass distribution in elliptical galaxies: mass profiles and their correlation with velocity dispersion profiles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Andrey V. Kravtsov, Kyu-Hyun Chae, Mariangela Bernardi","submitted_at":"2013-05-23T16:02:02Z","abstract_excerpt":"We assemble a statistical set of global mass models for ~2,000 nearly spherical SDSS galaxies at a mean redshift of 0.12 based on their aperture velocity dispersions and newly derived luminosity profiles in conjunction with published velocity dispersion profiles and empirical properties and relations of galaxy and halo parameters. When two-component (i.e. stellar plus dark) mass models are fitted to the SDSS aperture velocity dispersions, the predicted velocity dispersion profile (VP) slopes within the effective radius R_eff match well the distribution in observed elliptical galaxies. In contr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.5471","kind":"arxiv","version":4},"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":"2026-05-18T01:49:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ptzBrQMJU9f1KaRRZhJpQ+3el0aHwvBVy92ZwiDUDFf2NXQe3BiHi4Xo/LCr1eMxkqiOnOJKRf+/w9dxe+FEBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T15:34:10.896373Z"},"content_sha256":"6f974f2072a7e059f8b7936a9d9951c8b78207cc51d0fb07b5e7a861cd990583","schema_version":"1.0","event_id":"sha256:6f974f2072a7e059f8b7936a9d9951c8b78207cc51d0fb07b5e7a861cd990583"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IXYL4K3VNZIUK7BKBZDVL4MOC5/bundle.json","state_url":"https://pith.science/pith/IXYL4K3VNZIUK7BKBZDVL4MOC5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IXYL4K3VNZIUK7BKBZDVL4MOC5/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":"2026-08-12T15:34:10Z","links":{"resolver":"https://pith.science/pith/IXYL4K3VNZIUK7BKBZDVL4MOC5","bundle":"https://pith.science/pith/IXYL4K3VNZIUK7BKBZDVL4MOC5/bundle.json","state":"https://pith.science/pith/IXYL4K3VNZIUK7BKBZDVL4MOC5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IXYL4K3VNZIUK7BKBZDVL4MOC5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:IXYL4K3VNZIUK7BKBZDVL4MOC5","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":"f0a4e8186ee654feee28f65b47697b82dbd4a37a08467665aed55b0798d92c82","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-05-23T16:02:02Z","title_canon_sha256":"6e687b1b1dc41d4208e9ccbe4cccc54fbd8e41159d77c43db242680685e7e9fd"},"schema_version":"1.0","source":{"id":"1305.5471","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.5471","created_at":"2026-05-18T01:49:47Z"},{"alias_kind":"arxiv_version","alias_value":"1305.5471v4","created_at":"2026-05-18T01:49:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.5471","created_at":"2026-05-18T01:49:47Z"},{"alias_kind":"pith_short_12","alias_value":"IXYL4K3VNZIU","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"IXYL4K3VNZIUK7BK","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"IXYL4K3V","created_at":"2026-05-18T12:27:49Z"}],"graph_snapshots":[{"event_id":"sha256:6f974f2072a7e059f8b7936a9d9951c8b78207cc51d0fb07b5e7a861cd990583","target":"graph","created_at":"2026-05-18T01:49:47Z","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":"We assemble a statistical set of global mass models for ~2,000 nearly spherical SDSS galaxies at a mean redshift of 0.12 based on their aperture velocity dispersions and newly derived luminosity profiles in conjunction with published velocity dispersion profiles and empirical properties and relations of galaxy and halo parameters. When two-component (i.e. stellar plus dark) mass models are fitted to the SDSS aperture velocity dispersions, the predicted velocity dispersion profile (VP) slopes within the effective radius R_eff match well the distribution in observed elliptical galaxies. In contr","authors_text":"Andrey V. Kravtsov, Kyu-Hyun Chae, Mariangela Bernardi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-05-23T16:02:02Z","title":"Modelling mass distribution in elliptical galaxies: mass profiles and their correlation with velocity dispersion profiles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.5471","kind":"arxiv","version":4},"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":"sha256:286a8ef845cb214bb27f94a4cc7e3fcf7e9fcc32e710afa33e153405e98bd3a2","target":"record","created_at":"2026-05-18T01:49:47Z","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":"f0a4e8186ee654feee28f65b47697b82dbd4a37a08467665aed55b0798d92c82","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-05-23T16:02:02Z","title_canon_sha256":"6e687b1b1dc41d4208e9ccbe4cccc54fbd8e41159d77c43db242680685e7e9fd"},"schema_version":"1.0","source":{"id":"1305.5471","kind":"arxiv","version":4}},"canonical_sha256":"45f0be2b756e51457c2a0e4755f18e176cc0ea32730286ed43daf1d96ffd94dd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"45f0be2b756e51457c2a0e4755f18e176cc0ea32730286ed43daf1d96ffd94dd","first_computed_at":"2026-05-18T01:49:47.233150Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:49:47.233150Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SEsIZsjpL6WSVIxoHEe9PE2cB+ac8pn4HU+C1d8vINFRbsUYOTyXvuLZhV9hXIcKgg/LCZajOi4gnNDxREFFDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:49:47.233771Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.5471","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:286a8ef845cb214bb27f94a4cc7e3fcf7e9fcc32e710afa33e153405e98bd3a2","sha256:6f974f2072a7e059f8b7936a9d9951c8b78207cc51d0fb07b5e7a861cd990583"],"state_sha256":"359de40c9dacffa385afd5ab03be88dc90d1d9d0c3900054a776444cd653a3e0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RnTGbKNYvjFH9BP+zW1Er6H3h7nP8blYvusFqtFY8Ed8Z5CsG7eS9wS9lJnLc/IvcScwowSGksUIHJey0Fo1Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T15:34:10.901077Z","bundle_sha256":"a4758f3bdacf88a333d04b4c039a3d4a7ed8a61e28fa5c96649cbb97e295eeda"}}