{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:INVBKJ2F43LKXQJTIM5AGUJZJD","short_pith_number":"pith:INVBKJ2F","canonical_record":{"source":{"id":"0707.4375","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2007-07-30T11:49:40Z","cross_cats_sorted":[],"title_canon_sha256":"790579771dcf2cc0e82f135632fa3ccbc39f4e7cf3da58f400222016be84dedb","abstract_canon_sha256":"a627fe8d9b28b35a0578415b9cddbfde6a7acbcf8bf8404b69a41c83feb25d83"},"schema_version":"1.0"},"canonical_sha256":"436a152745e6d6abc133433a03513948ff729ad77549d7a624f5646f5d5a3db4","source":{"kind":"arxiv","id":"0707.4375","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0707.4375","created_at":"2026-07-04T15:14:04Z"},{"alias_kind":"arxiv_version","alias_value":"0707.4375v3","created_at":"2026-07-04T15:14:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0707.4375","created_at":"2026-07-04T15:14:04Z"},{"alias_kind":"pith_short_12","alias_value":"INVBKJ2F43LK","created_at":"2026-07-04T15:14:04Z"},{"alias_kind":"pith_short_16","alias_value":"INVBKJ2F43LKXQJT","created_at":"2026-07-04T15:14:04Z"},{"alias_kind":"pith_short_8","alias_value":"INVBKJ2F","created_at":"2026-07-04T15:14:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:INVBKJ2F43LKXQJTIM5AGUJZJD","target":"record","payload":{"canonical_record":{"source":{"id":"0707.4375","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2007-07-30T11:49:40Z","cross_cats_sorted":[],"title_canon_sha256":"790579771dcf2cc0e82f135632fa3ccbc39f4e7cf3da58f400222016be84dedb","abstract_canon_sha256":"a627fe8d9b28b35a0578415b9cddbfde6a7acbcf8bf8404b69a41c83feb25d83"},"schema_version":"1.0"},"canonical_sha256":"436a152745e6d6abc133433a03513948ff729ad77549d7a624f5646f5d5a3db4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:14:04.281472Z","signature_b64":"1BJdvKRkZacM1dyfSKmT/2vbgyWdkDcxXXz33FSJWKtDrXshd0NIU+K0L52TQbzpAMyYuW13sCnQpnL0aYokAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"436a152745e6d6abc133433a03513948ff729ad77549d7a624f5646f5d5a3db4","last_reissued_at":"2026-07-04T15:14:04.281115Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:14:04.281115Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0707.4375","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":"2026-07-04T15:14:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iw518tRA1m7zYIubH1KEFHRtF2hbbr8jshIk3sGpHHrfCojass9TsGHSLX9P2z14DpQakP129zfGHr84cAkNCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T09:33:00.910078Z"},"content_sha256":"f3c0c660b09515f4950bc55a2384fd520aadcf20faf3d4ef5121721436a82c34","schema_version":"1.0","event_id":"sha256:f3c0c660b09515f4950bc55a2384fd520aadcf20faf3d4ef5121721436a82c34"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:INVBKJ2F43LKXQJTIM5AGUJZJD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Visible and dark matter in M31 - I. Properties of stellar components","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Antti Tamm, Elmo Tempel, Peeter Tenjes","submitted_at":"2007-07-30T11:49:40Z","abstract_excerpt":"We construct a structural model of the Andromeda Galaxy, simultaneously corresponding to observed photometrical and kinematical data and chemical abundances. In this paper we present the observed surface brightness, colour and metallicity distributions, and compare them to the model galaxy. In Paper II (Tempel, Tamm & Tenjes 2007) we present similar data for the kinematics, and derive the mass distribution of the galaxy. On the basis of U, B, V, R, I and L luminosity distributions, we construct the model galaxy as a superposition of four axially symmetric stellar components: a bulge, a disc, a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0707.4375","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0707.4375/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:14:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6AgojkfKruRcBUhCHoecUezj3KwWawByARWY8+B8A7QtpKSHmHeT34RGgrdDeAd+FpKJ8WJdCI/3oH2sV1DoDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T09:33:00.910571Z"},"content_sha256":"15871dd6069ee1389d24774892721f258922cc3055814fcfc00c0a8a45c1de1b","schema_version":"1.0","event_id":"sha256:15871dd6069ee1389d24774892721f258922cc3055814fcfc00c0a8a45c1de1b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/INVBKJ2F43LKXQJTIM5AGUJZJD/bundle.json","state_url":"https://pith.science/pith/INVBKJ2F43LKXQJTIM5AGUJZJD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/INVBKJ2F43LKXQJTIM5AGUJZJD/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":"2026-08-06T09:33:00Z","links":{"resolver":"https://pith.science/pith/INVBKJ2F43LKXQJTIM5AGUJZJD","bundle":"https://pith.science/pith/INVBKJ2F43LKXQJTIM5AGUJZJD/bundle.json","state":"https://pith.science/pith/INVBKJ2F43LKXQJTIM5AGUJZJD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/INVBKJ2F43LKXQJTIM5AGUJZJD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:INVBKJ2F43LKXQJTIM5AGUJZJD","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":"a627fe8d9b28b35a0578415b9cddbfde6a7acbcf8bf8404b69a41c83feb25d83","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2007-07-30T11:49:40Z","title_canon_sha256":"790579771dcf2cc0e82f135632fa3ccbc39f4e7cf3da58f400222016be84dedb"},"schema_version":"1.0","source":{"id":"0707.4375","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0707.4375","created_at":"2026-07-04T15:14:04Z"},{"alias_kind":"arxiv_version","alias_value":"0707.4375v3","created_at":"2026-07-04T15:14:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0707.4375","created_at":"2026-07-04T15:14:04Z"},{"alias_kind":"pith_short_12","alias_value":"INVBKJ2F43LK","created_at":"2026-07-04T15:14:04Z"},{"alias_kind":"pith_short_16","alias_value":"INVBKJ2F43LKXQJT","created_at":"2026-07-04T15:14:04Z"},{"alias_kind":"pith_short_8","alias_value":"INVBKJ2F","created_at":"2026-07-04T15:14:04Z"}],"graph_snapshots":[{"event_id":"sha256:15871dd6069ee1389d24774892721f258922cc3055814fcfc00c0a8a45c1de1b","target":"graph","created_at":"2026-07-04T15:14:04Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0707.4375/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We construct a structural model of the Andromeda Galaxy, simultaneously corresponding to observed photometrical and kinematical data and chemical abundances. In this paper we present the observed surface brightness, colour and metallicity distributions, and compare them to the model galaxy. In Paper II (Tempel, Tamm & Tenjes 2007) we present similar data for the kinematics, and derive the mass distribution of the galaxy. On the basis of U, B, V, R, I and L luminosity distributions, we construct the model galaxy as a superposition of four axially symmetric stellar components: a bulge, a disc, a","authors_text":"Antti Tamm, Elmo Tempel, Peeter Tenjes","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2007-07-30T11:49:40Z","title":"Visible and dark matter in M31 - I. Properties of stellar components"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0707.4375","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:f3c0c660b09515f4950bc55a2384fd520aadcf20faf3d4ef5121721436a82c34","target":"record","created_at":"2026-07-04T15:14:04Z","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":"a627fe8d9b28b35a0578415b9cddbfde6a7acbcf8bf8404b69a41c83feb25d83","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2007-07-30T11:49:40Z","title_canon_sha256":"790579771dcf2cc0e82f135632fa3ccbc39f4e7cf3da58f400222016be84dedb"},"schema_version":"1.0","source":{"id":"0707.4375","kind":"arxiv","version":3}},"canonical_sha256":"436a152745e6d6abc133433a03513948ff729ad77549d7a624f5646f5d5a3db4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"436a152745e6d6abc133433a03513948ff729ad77549d7a624f5646f5d5a3db4","first_computed_at":"2026-07-04T15:14:04.281115Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:14:04.281115Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1BJdvKRkZacM1dyfSKmT/2vbgyWdkDcxXXz33FSJWKtDrXshd0NIU+K0L52TQbzpAMyYuW13sCnQpnL0aYokAA==","signature_status":"signed_v1","signed_at":"2026-07-04T15:14:04.281472Z","signed_message":"canonical_sha256_bytes"},"source_id":"0707.4375","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f3c0c660b09515f4950bc55a2384fd520aadcf20faf3d4ef5121721436a82c34","sha256:15871dd6069ee1389d24774892721f258922cc3055814fcfc00c0a8a45c1de1b"],"state_sha256":"1dfba414a34fb05158044933f48455e3cdffe361c52a9637f7a018dd315cd179"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6nAuInknsb1cF2Ex45350lDi1L7XPAVYxd5sqcAQ1DdZ26iAJgcJn6hEhppT52lCStVoeSmY899gb4x+yoteCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T09:33:00.914716Z","bundle_sha256":"462895bf8af83aa93f515ff82a2ebe9b2697b2a3f1fb9901c1525ffd08c22d25"}}