{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:HA7YGIOH5IKZJKWAXC72WF74HA","short_pith_number":"pith:HA7YGIOH","canonical_record":{"source":{"id":"astro-ph/0603143","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-03-06T20:59:48Z","cross_cats_sorted":[],"title_canon_sha256":"ab65dda0141492a38e6f700b55cd0c47f1e780fb27ace8460bf302e1f429df29","abstract_canon_sha256":"bf4504d4a125fa652a8095c7e7167705afe2a334971cbe21f71ff3c92b55064f"},"schema_version":"1.0"},"canonical_sha256":"383f8321c7ea1594aac0b8bfab17fc380ed541b042092a79cfdbbab54040b9fd","source":{"kind":"arxiv","id":"astro-ph/0603143","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0603143","created_at":"2026-05-18T04:36:29Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0603143v1","created_at":"2026-05-18T04:36:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0603143","created_at":"2026-05-18T04:36:29Z"},{"alias_kind":"pith_short_12","alias_value":"HA7YGIOH5IKZ","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"HA7YGIOH5IKZJKWA","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"HA7YGIOH","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:HA7YGIOH5IKZJKWAXC72WF74HA","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0603143","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-03-06T20:59:48Z","cross_cats_sorted":[],"title_canon_sha256":"ab65dda0141492a38e6f700b55cd0c47f1e780fb27ace8460bf302e1f429df29","abstract_canon_sha256":"bf4504d4a125fa652a8095c7e7167705afe2a334971cbe21f71ff3c92b55064f"},"schema_version":"1.0"},"canonical_sha256":"383f8321c7ea1594aac0b8bfab17fc380ed541b042092a79cfdbbab54040b9fd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:36:29.356306Z","signature_b64":"/hvzF0OlImSHCPBA4rFB1al0lX5tVSROpwONzkerwzCTbZQXWAe8Poi9ezBXmEGgrhG1Rj5EPGZ5RFJuw5ioCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"383f8321c7ea1594aac0b8bfab17fc380ed541b042092a79cfdbbab54040b9fd","last_reissued_at":"2026-05-18T04:36:29.355688Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:36:29.355688Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0603143","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":"2026-05-18T04:36:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LGSlLUOmlqeTtQ+5OVAf2oL1df7eAugsjbpop7OKIvBPK7P3+C+oeeOhbO9t3L9NoYT+cQ3XUCDIPEkSJrtVAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T11:44:37.682669Z"},"content_sha256":"1537ed06edee1a50c16582d2181a44252c5f9b1e3dde3aa466f9ca4c3623f36c","schema_version":"1.0","event_id":"sha256:1537ed06edee1a50c16582d2181a44252c5f9b1e3dde3aa466f9ca4c3623f36c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:HA7YGIOH5IKZJKWAXC72WF74HA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extended HI Rotation Curve and Mass Distribution of M31","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Claude Carignan, Felix J. Lockman, Laurent Chemin, Walter K. Huchtmeier","submitted_at":"2006-03-06T20:59:48Z","abstract_excerpt":"New HI observations of Messier 31 (M31) obtained with the Effelsberg and Green Bank 100-m telescopes make it possible to measure the rotation curve of that galaxy out to ~35 kpc. Between 20 and 35 kpc, the rotation curve is nearly flat at a velocity of ~226 km/s. A model of the mass distribution shows that at the last observed velocity point, the minimum dark-to-luminous mass ratio is \\~0.5 for a total mass of 3.4 10^11 Msol at R < 35 kpc. This can be compared to the estimated MW mass of 4.9 10^11 Msol for R < 50 kpc."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0603143","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":"2026-05-18T04:36:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5riDOAjJquVPRPNQcyh/uIse6xbdVkDuHc/WhsS9t7dic8JPXulkOr8mZ2TzY3mLphW0YqHbUmCfp/oVHH5nAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T11:44:37.683210Z"},"content_sha256":"36b8fb0271421652c3004d6eb7a4c3b45c7e35e7c3540a5c7f3ae6e4176ab532","schema_version":"1.0","event_id":"sha256:36b8fb0271421652c3004d6eb7a4c3b45c7e35e7c3540a5c7f3ae6e4176ab532"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HA7YGIOH5IKZJKWAXC72WF74HA/bundle.json","state_url":"https://pith.science/pith/HA7YGIOH5IKZJKWAXC72WF74HA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HA7YGIOH5IKZJKWAXC72WF74HA/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":"2026-06-11T11:44:37Z","links":{"resolver":"https://pith.science/pith/HA7YGIOH5IKZJKWAXC72WF74HA","bundle":"https://pith.science/pith/HA7YGIOH5IKZJKWAXC72WF74HA/bundle.json","state":"https://pith.science/pith/HA7YGIOH5IKZJKWAXC72WF74HA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HA7YGIOH5IKZJKWAXC72WF74HA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:HA7YGIOH5IKZJKWAXC72WF74HA","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":"bf4504d4a125fa652a8095c7e7167705afe2a334971cbe21f71ff3c92b55064f","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-03-06T20:59:48Z","title_canon_sha256":"ab65dda0141492a38e6f700b55cd0c47f1e780fb27ace8460bf302e1f429df29"},"schema_version":"1.0","source":{"id":"astro-ph/0603143","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0603143","created_at":"2026-05-18T04:36:29Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0603143v1","created_at":"2026-05-18T04:36:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0603143","created_at":"2026-05-18T04:36:29Z"},{"alias_kind":"pith_short_12","alias_value":"HA7YGIOH5IKZ","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"HA7YGIOH5IKZJKWA","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"HA7YGIOH","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:36b8fb0271421652c3004d6eb7a4c3b45c7e35e7c3540a5c7f3ae6e4176ab532","target":"graph","created_at":"2026-05-18T04:36:29Z","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":"New HI observations of Messier 31 (M31) obtained with the Effelsberg and Green Bank 100-m telescopes make it possible to measure the rotation curve of that galaxy out to ~35 kpc. Between 20 and 35 kpc, the rotation curve is nearly flat at a velocity of ~226 km/s. A model of the mass distribution shows that at the last observed velocity point, the minimum dark-to-luminous mass ratio is \\~0.5 for a total mass of 3.4 10^11 Msol at R < 35 kpc. This can be compared to the estimated MW mass of 4.9 10^11 Msol for R < 50 kpc.","authors_text":"Claude Carignan, Felix J. Lockman, Laurent Chemin, Walter K. Huchtmeier","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-03-06T20:59:48Z","title":"Extended HI Rotation Curve and Mass Distribution of M31"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0603143","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":"sha256:1537ed06edee1a50c16582d2181a44252c5f9b1e3dde3aa466f9ca4c3623f36c","target":"record","created_at":"2026-05-18T04:36:29Z","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":"bf4504d4a125fa652a8095c7e7167705afe2a334971cbe21f71ff3c92b55064f","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-03-06T20:59:48Z","title_canon_sha256":"ab65dda0141492a38e6f700b55cd0c47f1e780fb27ace8460bf302e1f429df29"},"schema_version":"1.0","source":{"id":"astro-ph/0603143","kind":"arxiv","version":1}},"canonical_sha256":"383f8321c7ea1594aac0b8bfab17fc380ed541b042092a79cfdbbab54040b9fd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"383f8321c7ea1594aac0b8bfab17fc380ed541b042092a79cfdbbab54040b9fd","first_computed_at":"2026-05-18T04:36:29.355688Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:36:29.355688Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/hvzF0OlImSHCPBA4rFB1al0lX5tVSROpwONzkerwzCTbZQXWAe8Poi9ezBXmEGgrhG1Rj5EPGZ5RFJuw5ioCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:36:29.356306Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0603143","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1537ed06edee1a50c16582d2181a44252c5f9b1e3dde3aa466f9ca4c3623f36c","sha256:36b8fb0271421652c3004d6eb7a4c3b45c7e35e7c3540a5c7f3ae6e4176ab532"],"state_sha256":"fb468a8c301e5bd12d9e174f172e8c59a82492a5ddcead23271b295e78b4213d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B58Ix6jxl4jUIP4BJdEMYVJ/uidMj4Qop1+3IYUCS1MymUJ40+CN7XNsvUyxOUJ7wD35FAGVVNJe7jG08CYhAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T11:44:37.686078Z","bundle_sha256":"adcc506df607b377898f3aa3fac202a0090a1233cbc485d54cfe2c478a75202b"}}