{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:CMYK7NICP3K3XKOJKOO2RMO6WB","short_pith_number":"pith:CMYK7NIC","canonical_record":{"source":{"id":"0908.3187","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-08-21T20:00:05Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"e0e21243342faeb6418ec2092ae6c250a81086467d8e1a5d05fad78f61f6482e","abstract_canon_sha256":"8a9bf26b973cc0d555db3a8ce5141862b3527933440355edd2a1bf7d2bed1a20"},"schema_version":"1.0"},"canonical_sha256":"1330afb5027ed5bba9c9539da8b1deb07ffc479d244c4ced794acda64a16bda5","source":{"kind":"arxiv","id":"0908.3187","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.3187","created_at":"2026-05-18T02:12:24Z"},{"alias_kind":"arxiv_version","alias_value":"0908.3187v1","created_at":"2026-05-18T02:12:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.3187","created_at":"2026-05-18T02:12:24Z"},{"alias_kind":"pith_short_12","alias_value":"CMYK7NICP3K3","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"CMYK7NICP3K3XKOJ","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"CMYK7NIC","created_at":"2026-05-18T12:25:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:CMYK7NICP3K3XKOJKOO2RMO6WB","target":"record","payload":{"canonical_record":{"source":{"id":"0908.3187","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-08-21T20:00:05Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"e0e21243342faeb6418ec2092ae6c250a81086467d8e1a5d05fad78f61f6482e","abstract_canon_sha256":"8a9bf26b973cc0d555db3a8ce5141862b3527933440355edd2a1bf7d2bed1a20"},"schema_version":"1.0"},"canonical_sha256":"1330afb5027ed5bba9c9539da8b1deb07ffc479d244c4ced794acda64a16bda5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:12:24.138948Z","signature_b64":"rZ9B6LTAiCOdiYrTLgNMimnCFwOUVyXFP8SLAkS9AjMh8JhdOo6RYnvB1bbdCNnCN8+qbM9eSDC2To2qoPTzDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1330afb5027ed5bba9c9539da8b1deb07ffc479d244c4ced794acda64a16bda5","last_reissued_at":"2026-05-18T02:12:24.138185Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:12:24.138185Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0908.3187","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":"2026-05-18T02:12:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Mf4bcIv0UTkEusgJaGmvq/ryogMDeWa5Zorl/F5Ygl9vPdkDWFHRls0ZK0yR8AakVjLwMWpgP87/TFBKWlIbCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T03:21:29.192600Z"},"content_sha256":"9bb1ccbb8461b9f754f50c35681e5466f87c009e05360241dd84822c8174bbbd","schema_version":"1.0","event_id":"sha256:9bb1ccbb8461b9f754f50c35681e5466f87c009e05360241dd84822c8174bbbd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:CMYK7NICP3K3XKOJKOO2RMO6WB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence for a Triaxial Milky Way Dark Matter Halo from the Sagittarius Stellar Tidal Stream","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"David R. Law, Kathryn V. Johnston, Steven R. Majewski","submitted_at":"2009-08-21T20:00:05Z","abstract_excerpt":"Observations of the lengthy tidal streams produced by the destruction of the Sagittarius dwarf spheroidal (Sgr dSph) are capable of providing strong constraints on the shape of the Galactic gravitational potential. However, previous work, based on modeling different stream properties in axisymmetric Galactic models has yielded conflicting results: while the angular precession of the Sgr leading arm is most consistent with a spherical or slightly oblate halo, the radial velocities of stars in this arm are only reproduced by prolate halo models. We demonstrate that this apparent paradox can be r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.3187","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":"2026-05-18T02:12:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Htzgodjsl0lWgXU5Co5Y6KxsybdpY6Ska0qqnN0ZxdfZF8aQT4fq7VCYaC6Z9nwaI/DvDsiVRz56DSEepj0JDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T03:21:29.192955Z"},"content_sha256":"fc6dac3b735f5f9bbd04a6a5d8b3d9d77fd0300508f8bb9ff09de79ac6344f63","schema_version":"1.0","event_id":"sha256:fc6dac3b735f5f9bbd04a6a5d8b3d9d77fd0300508f8bb9ff09de79ac6344f63"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CMYK7NICP3K3XKOJKOO2RMO6WB/bundle.json","state_url":"https://pith.science/pith/CMYK7NICP3K3XKOJKOO2RMO6WB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CMYK7NICP3K3XKOJKOO2RMO6WB/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":"2026-05-25T03:21:29Z","links":{"resolver":"https://pith.science/pith/CMYK7NICP3K3XKOJKOO2RMO6WB","bundle":"https://pith.science/pith/CMYK7NICP3K3XKOJKOO2RMO6WB/bundle.json","state":"https://pith.science/pith/CMYK7NICP3K3XKOJKOO2RMO6WB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CMYK7NICP3K3XKOJKOO2RMO6WB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:CMYK7NICP3K3XKOJKOO2RMO6WB","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":"8a9bf26b973cc0d555db3a8ce5141862b3527933440355edd2a1bf7d2bed1a20","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-08-21T20:00:05Z","title_canon_sha256":"e0e21243342faeb6418ec2092ae6c250a81086467d8e1a5d05fad78f61f6482e"},"schema_version":"1.0","source":{"id":"0908.3187","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.3187","created_at":"2026-05-18T02:12:24Z"},{"alias_kind":"arxiv_version","alias_value":"0908.3187v1","created_at":"2026-05-18T02:12:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.3187","created_at":"2026-05-18T02:12:24Z"},{"alias_kind":"pith_short_12","alias_value":"CMYK7NICP3K3","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"CMYK7NICP3K3XKOJ","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"CMYK7NIC","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:fc6dac3b735f5f9bbd04a6a5d8b3d9d77fd0300508f8bb9ff09de79ac6344f63","target":"graph","created_at":"2026-05-18T02:12:24Z","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":"Observations of the lengthy tidal streams produced by the destruction of the Sagittarius dwarf spheroidal (Sgr dSph) are capable of providing strong constraints on the shape of the Galactic gravitational potential. However, previous work, based on modeling different stream properties in axisymmetric Galactic models has yielded conflicting results: while the angular precession of the Sgr leading arm is most consistent with a spherical or slightly oblate halo, the radial velocities of stars in this arm are only reproduced by prolate halo models. We demonstrate that this apparent paradox can be r","authors_text":"David R. Law, Kathryn V. Johnston, Steven R. Majewski","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-08-21T20:00:05Z","title":"Evidence for a Triaxial Milky Way Dark Matter Halo from the Sagittarius Stellar Tidal Stream"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.3187","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":"sha256:9bb1ccbb8461b9f754f50c35681e5466f87c009e05360241dd84822c8174bbbd","target":"record","created_at":"2026-05-18T02:12:24Z","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":"8a9bf26b973cc0d555db3a8ce5141862b3527933440355edd2a1bf7d2bed1a20","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-08-21T20:00:05Z","title_canon_sha256":"e0e21243342faeb6418ec2092ae6c250a81086467d8e1a5d05fad78f61f6482e"},"schema_version":"1.0","source":{"id":"0908.3187","kind":"arxiv","version":1}},"canonical_sha256":"1330afb5027ed5bba9c9539da8b1deb07ffc479d244c4ced794acda64a16bda5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1330afb5027ed5bba9c9539da8b1deb07ffc479d244c4ced794acda64a16bda5","first_computed_at":"2026-05-18T02:12:24.138185Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:12:24.138185Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rZ9B6LTAiCOdiYrTLgNMimnCFwOUVyXFP8SLAkS9AjMh8JhdOo6RYnvB1bbdCNnCN8+qbM9eSDC2To2qoPTzDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:12:24.138948Z","signed_message":"canonical_sha256_bytes"},"source_id":"0908.3187","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9bb1ccbb8461b9f754f50c35681e5466f87c009e05360241dd84822c8174bbbd","sha256:fc6dac3b735f5f9bbd04a6a5d8b3d9d77fd0300508f8bb9ff09de79ac6344f63"],"state_sha256":"c3e151f7f97b38a27be0b2a630ef16bd22c1b3a41b47c8aeae00a5c8921b4dff"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9wYGRboNljYuiUg6/l1qxzmno7yqmnScC7pEo0cjUgHQEcLar514AYoW7tOzJJBSXEOKN7+tB76nK8N0xJgcCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T03:21:29.195224Z","bundle_sha256":"eb2d556e557b82fe24fb915c98628afc670d67a6cd5a844d6f7d552d5e3c5c3a"}}