{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:BDQPFU6ZUSVRMHIZRPGO6JMOXU","short_pith_number":"pith:BDQPFU6Z","canonical_record":{"source":{"id":"1003.3109","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-03-16T09:32:50Z","cross_cats_sorted":[],"title_canon_sha256":"fcf95725a8f2536cedf8d0918f934c9d996b20f2af1c53b933d4051795564215","abstract_canon_sha256":"a033403c36b26365c38e62139e893011367eda8444387d554d1dc5f8258948ca"},"schema_version":"1.0"},"canonical_sha256":"08e0f2d3d9a4ab161d198bccef258ebd05f6048eb89a690834c22dc56937e55b","source":{"kind":"arxiv","id":"1003.3109","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1003.3109","created_at":"2026-05-18T02:08:33Z"},{"alias_kind":"arxiv_version","alias_value":"1003.3109v1","created_at":"2026-05-18T02:08:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.3109","created_at":"2026-05-18T02:08:33Z"},{"alias_kind":"pith_short_12","alias_value":"BDQPFU6ZUSVR","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"BDQPFU6ZUSVRMHIZ","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"BDQPFU6Z","created_at":"2026-05-18T12:26:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:BDQPFU6ZUSVRMHIZRPGO6JMOXU","target":"record","payload":{"canonical_record":{"source":{"id":"1003.3109","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-03-16T09:32:50Z","cross_cats_sorted":[],"title_canon_sha256":"fcf95725a8f2536cedf8d0918f934c9d996b20f2af1c53b933d4051795564215","abstract_canon_sha256":"a033403c36b26365c38e62139e893011367eda8444387d554d1dc5f8258948ca"},"schema_version":"1.0"},"canonical_sha256":"08e0f2d3d9a4ab161d198bccef258ebd05f6048eb89a690834c22dc56937e55b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:08:33.384431Z","signature_b64":"BCdVfJ42jordKWjAxaUD5v+Ke232dm0ees7kqlBI1s28s7JUf5OuHaaoUl7b+a0C9dCHNaU3E2UO4YmqGzdwCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"08e0f2d3d9a4ab161d198bccef258ebd05f6048eb89a690834c22dc56937e55b","last_reissued_at":"2026-05-18T02:08:33.383579Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:08:33.383579Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1003.3109","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":"2026-05-18T02:08:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SOnozb6hwqGgAfABB9Y+htcMj0slK3mZjou5j+Tl4k/80nEAxm4cMuXyt66CypAxRInySCvaMSjDjHZye39NDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T18:14:02.008866Z"},"content_sha256":"b8b44dab3011b45da8b48710f6bcc8aace1df239e7679f61937b1aa80a88ae34","schema_version":"1.0","event_id":"sha256:b8b44dab3011b45da8b48710f6bcc8aace1df239e7679f61937b1aa80a88ae34"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:BDQPFU6ZUSVRMHIZRPGO6JMOXU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The dark matter halo shape of edge-on disk galaxies - III. Modelling the HI observations: results","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"J.C. O'Brien, K.C. Freeman, P.C. van der Kruit","submitted_at":"2010-03-16T09:32:50Z","abstract_excerpt":"This is the third paper in a series in which we attempt to put constraints on the flattening of dark halos in disk galaxies. For this purpose we need to analyse the observed XV diagrams in edge-on galaxies to accurately measure the radial HI surface density, the rotation curve and the HI velocity dispersion. We present the results of the modelling of HI observations of 8 HI-rich, late-type, edge-on galaxies. In all of these we find differential rotation. Most systems display HI velocity dispersions of 6.5 to 7.5 km s$^{-1}$ and all except one show radial structure. There is an increase in the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.3109","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":"2026-05-18T02:08:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VV0eQQL0k3IoA8zmm1/5IZdM6fKoUmqqWg/2L+HZt+XGhbpAG5WulAbN+wekBnRrmkz3VeX//Y7Rkit19wmdAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T18:14:02.009522Z"},"content_sha256":"22becec44f98758a3e0778b4bec991536eb853453a509b2595a2d0c5f57cea96","schema_version":"1.0","event_id":"sha256:22becec44f98758a3e0778b4bec991536eb853453a509b2595a2d0c5f57cea96"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BDQPFU6ZUSVRMHIZRPGO6JMOXU/bundle.json","state_url":"https://pith.science/pith/BDQPFU6ZUSVRMHIZRPGO6JMOXU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BDQPFU6ZUSVRMHIZRPGO6JMOXU/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":"2026-05-24T18:14:02Z","links":{"resolver":"https://pith.science/pith/BDQPFU6ZUSVRMHIZRPGO6JMOXU","bundle":"https://pith.science/pith/BDQPFU6ZUSVRMHIZRPGO6JMOXU/bundle.json","state":"https://pith.science/pith/BDQPFU6ZUSVRMHIZRPGO6JMOXU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BDQPFU6ZUSVRMHIZRPGO6JMOXU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:BDQPFU6ZUSVRMHIZRPGO6JMOXU","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":"a033403c36b26365c38e62139e893011367eda8444387d554d1dc5f8258948ca","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-03-16T09:32:50Z","title_canon_sha256":"fcf95725a8f2536cedf8d0918f934c9d996b20f2af1c53b933d4051795564215"},"schema_version":"1.0","source":{"id":"1003.3109","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1003.3109","created_at":"2026-05-18T02:08:33Z"},{"alias_kind":"arxiv_version","alias_value":"1003.3109v1","created_at":"2026-05-18T02:08:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.3109","created_at":"2026-05-18T02:08:33Z"},{"alias_kind":"pith_short_12","alias_value":"BDQPFU6ZUSVR","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"BDQPFU6ZUSVRMHIZ","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"BDQPFU6Z","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:22becec44f98758a3e0778b4bec991536eb853453a509b2595a2d0c5f57cea96","target":"graph","created_at":"2026-05-18T02:08:33Z","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":"This is the third paper in a series in which we attempt to put constraints on the flattening of dark halos in disk galaxies. For this purpose we need to analyse the observed XV diagrams in edge-on galaxies to accurately measure the radial HI surface density, the rotation curve and the HI velocity dispersion. We present the results of the modelling of HI observations of 8 HI-rich, late-type, edge-on galaxies. In all of these we find differential rotation. Most systems display HI velocity dispersions of 6.5 to 7.5 km s$^{-1}$ and all except one show radial structure. There is an increase in the ","authors_text":"J.C. O'Brien, K.C. Freeman, P.C. van der Kruit","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-03-16T09:32:50Z","title":"The dark matter halo shape of edge-on disk galaxies - III. Modelling the HI observations: results"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.3109","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:b8b44dab3011b45da8b48710f6bcc8aace1df239e7679f61937b1aa80a88ae34","target":"record","created_at":"2026-05-18T02:08:33Z","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":"a033403c36b26365c38e62139e893011367eda8444387d554d1dc5f8258948ca","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-03-16T09:32:50Z","title_canon_sha256":"fcf95725a8f2536cedf8d0918f934c9d996b20f2af1c53b933d4051795564215"},"schema_version":"1.0","source":{"id":"1003.3109","kind":"arxiv","version":1}},"canonical_sha256":"08e0f2d3d9a4ab161d198bccef258ebd05f6048eb89a690834c22dc56937e55b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"08e0f2d3d9a4ab161d198bccef258ebd05f6048eb89a690834c22dc56937e55b","first_computed_at":"2026-05-18T02:08:33.383579Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:08:33.383579Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BCdVfJ42jordKWjAxaUD5v+Ke232dm0ees7kqlBI1s28s7JUf5OuHaaoUl7b+a0C9dCHNaU3E2UO4YmqGzdwCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:08:33.384431Z","signed_message":"canonical_sha256_bytes"},"source_id":"1003.3109","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b8b44dab3011b45da8b48710f6bcc8aace1df239e7679f61937b1aa80a88ae34","sha256:22becec44f98758a3e0778b4bec991536eb853453a509b2595a2d0c5f57cea96"],"state_sha256":"1def666c9183089a892c55051dee54a22d58620a6dd9e75e676a4a809e99386c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m0+3zYBOJ9KaHCnC+PBd70niKWnc1vUpkDB8GnmGOjp1i8+p0UIStUluNTKSOhDvcxT00X9qOpLTweljQ9KRAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T18:14:02.012653Z","bundle_sha256":"394fd0fcc1fec5a523f0043fa09da7dd42d110f86097276332fce0853cfa25f6"}}