{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:JOPBSP3DHAGDXBVSVOPXZUBXJR","short_pith_number":"pith:JOPBSP3D","canonical_record":{"source":{"id":"1212.4958","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-12-20T09:46:56Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"fcbc7956965ffccac2e2e63a3e0d87682357fc9a98f3f734d8776ca98343b8b7","abstract_canon_sha256":"970ab6e09fa54c51b8c22b422029408428cb5e925fbffbda52a0928d50d62729"},"schema_version":"1.0"},"canonical_sha256":"4b9e193f63380c3b86b2ab9f7cd0374c5d23e22c5975a315c99e099983e0504a","source":{"kind":"arxiv","id":"1212.4958","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.4958","created_at":"2026-05-18T01:52:29Z"},{"alias_kind":"arxiv_version","alias_value":"1212.4958v1","created_at":"2026-05-18T01:52:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.4958","created_at":"2026-05-18T01:52:29Z"},{"alias_kind":"pith_short_12","alias_value":"JOPBSP3DHAGD","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"JOPBSP3DHAGDXBVS","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"JOPBSP3D","created_at":"2026-05-18T12:27:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:JOPBSP3DHAGDXBVSVOPXZUBXJR","target":"record","payload":{"canonical_record":{"source":{"id":"1212.4958","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-12-20T09:46:56Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"fcbc7956965ffccac2e2e63a3e0d87682357fc9a98f3f734d8776ca98343b8b7","abstract_canon_sha256":"970ab6e09fa54c51b8c22b422029408428cb5e925fbffbda52a0928d50d62729"},"schema_version":"1.0"},"canonical_sha256":"4b9e193f63380c3b86b2ab9f7cd0374c5d23e22c5975a315c99e099983e0504a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:29.995996Z","signature_b64":"ziF+1GWqUkz6EdYGr+TDWDWplq7R7ZTaZE8QYcN66CRBjxFl8IGOt2wBlxEYbC0uo+ltDw8d3Knbc+/O19k0BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4b9e193f63380c3b86b2ab9f7cd0374c5d23e22c5975a315c99e099983e0504a","last_reissued_at":"2026-05-18T01:52:29.995333Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:29.995333Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.4958","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":"2026-05-18T01:52:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RdwqgT9erLW2IUIwvYMCdm7gnYoCJnn+qjZP5HKmKh7tGHrSwDtTtsqIRrmR7AY+HTLWqg4GUYJW+y8AjF4/Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T21:50:55.332798Z"},"content_sha256":"4a4e90e71b0dbfa85aa5646a8eddd94bc2237daf05a6010488d12df9788d2ff4","schema_version":"1.0","event_id":"sha256:4a4e90e71b0dbfa85aa5646a8eddd94bc2237daf05a6010488d12df9788d2ff4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:JOPBSP3DHAGDXBVSVOPXZUBXJR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Does the Sagittarius Stream constrain the Milky Way halo to be triaxial?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Geraint F. Lewis, Matteo Correnti, Michele Bellazzini, Nicolas F. Martin, Rodrigo Ibata","submitted_at":"2012-12-20T09:46:56Z","abstract_excerpt":"Recent analyses of the stellar stream of the Sagittarius dwarf galaxy have claimed that the kinematics and three-dimensional location of the M-giant stars in this structure constrain the dark matter halo of our Galaxy to possess a triaxial shape that is extremely flattened, being essentially an oblate ellipsoid oriented perpendicular to the Galactic disk. Using a new stream-fitting algorithm, based on a Markov Chain Monte Carlo procedure, we investigate whether this claim remains valid if we allow the density profile of the Milky Way halo greater freedom. We find stream solutions that fit the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.4958","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":"2026-05-18T01:52:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O+oYV/OmbAPROc55XkuBjCfi/oURe7ntA5vvJkWfOSaxin2//UVm121XaqusvrOCTnQjf8ubpjh//qGx6RY0CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T21:50:55.333139Z"},"content_sha256":"52c67824eafb33640daa7979f15d8483f46287663ff4126c6dab745f68844ef7","schema_version":"1.0","event_id":"sha256:52c67824eafb33640daa7979f15d8483f46287663ff4126c6dab745f68844ef7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JOPBSP3DHAGDXBVSVOPXZUBXJR/bundle.json","state_url":"https://pith.science/pith/JOPBSP3DHAGDXBVSVOPXZUBXJR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JOPBSP3DHAGDXBVSVOPXZUBXJR/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":"2026-06-02T21:50:55Z","links":{"resolver":"https://pith.science/pith/JOPBSP3DHAGDXBVSVOPXZUBXJR","bundle":"https://pith.science/pith/JOPBSP3DHAGDXBVSVOPXZUBXJR/bundle.json","state":"https://pith.science/pith/JOPBSP3DHAGDXBVSVOPXZUBXJR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JOPBSP3DHAGDXBVSVOPXZUBXJR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:JOPBSP3DHAGDXBVSVOPXZUBXJR","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":"970ab6e09fa54c51b8c22b422029408428cb5e925fbffbda52a0928d50d62729","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-12-20T09:46:56Z","title_canon_sha256":"fcbc7956965ffccac2e2e63a3e0d87682357fc9a98f3f734d8776ca98343b8b7"},"schema_version":"1.0","source":{"id":"1212.4958","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.4958","created_at":"2026-05-18T01:52:29Z"},{"alias_kind":"arxiv_version","alias_value":"1212.4958v1","created_at":"2026-05-18T01:52:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.4958","created_at":"2026-05-18T01:52:29Z"},{"alias_kind":"pith_short_12","alias_value":"JOPBSP3DHAGD","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"JOPBSP3DHAGDXBVS","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"JOPBSP3D","created_at":"2026-05-18T12:27:11Z"}],"graph_snapshots":[{"event_id":"sha256:52c67824eafb33640daa7979f15d8483f46287663ff4126c6dab745f68844ef7","target":"graph","created_at":"2026-05-18T01:52:29Z","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":"Recent analyses of the stellar stream of the Sagittarius dwarf galaxy have claimed that the kinematics and three-dimensional location of the M-giant stars in this structure constrain the dark matter halo of our Galaxy to possess a triaxial shape that is extremely flattened, being essentially an oblate ellipsoid oriented perpendicular to the Galactic disk. Using a new stream-fitting algorithm, based on a Markov Chain Monte Carlo procedure, we investigate whether this claim remains valid if we allow the density profile of the Milky Way halo greater freedom. We find stream solutions that fit the ","authors_text":"Geraint F. Lewis, Matteo Correnti, Michele Bellazzini, Nicolas F. Martin, Rodrigo Ibata","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-12-20T09:46:56Z","title":"Does the Sagittarius Stream constrain the Milky Way halo to be triaxial?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.4958","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":"sha256:4a4e90e71b0dbfa85aa5646a8eddd94bc2237daf05a6010488d12df9788d2ff4","target":"record","created_at":"2026-05-18T01:52:29Z","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":"970ab6e09fa54c51b8c22b422029408428cb5e925fbffbda52a0928d50d62729","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-12-20T09:46:56Z","title_canon_sha256":"fcbc7956965ffccac2e2e63a3e0d87682357fc9a98f3f734d8776ca98343b8b7"},"schema_version":"1.0","source":{"id":"1212.4958","kind":"arxiv","version":1}},"canonical_sha256":"4b9e193f63380c3b86b2ab9f7cd0374c5d23e22c5975a315c99e099983e0504a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4b9e193f63380c3b86b2ab9f7cd0374c5d23e22c5975a315c99e099983e0504a","first_computed_at":"2026-05-18T01:52:29.995333Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:52:29.995333Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ziF+1GWqUkz6EdYGr+TDWDWplq7R7ZTaZE8QYcN66CRBjxFl8IGOt2wBlxEYbC0uo+ltDw8d3Knbc+/O19k0BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:52:29.995996Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.4958","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4a4e90e71b0dbfa85aa5646a8eddd94bc2237daf05a6010488d12df9788d2ff4","sha256:52c67824eafb33640daa7979f15d8483f46287663ff4126c6dab745f68844ef7"],"state_sha256":"8d80c88e52213bd61fc410f74eb1bc56bca2145e7181fcd7f7d9637c1e91e78f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3TfPBhyBBK5yJIdbuVxj4ZigdTlxO1PCnwjIrKMNcdV/vT80pWwxwWtvoCzU+x6ZJkj6lFLXxg2ka/Umq+WCAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T21:50:55.335086Z","bundle_sha256":"d4b267fb45921d67cf2cf635038a557e4cd64ffd88ec407fd543315c9917e9c6"}}