{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:3HKODVG7BQD45BSJMXDHSVDTQF","short_pith_number":"pith:3HKODVG7","canonical_record":{"source":{"id":"1202.4474","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-02-20T21:29:47Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"5f35696d22b964cc6f50d34aa08027b2759677ecbfaffe6820b4c74888a33018","abstract_canon_sha256":"7e252f0946ec3e1a8665fdca1bfb842fc1a4cb33c2d0dbad91eb42e71b6fdfcd"},"schema_version":"1.0"},"canonical_sha256":"d9d4e1d4df0c07ce864965c679547381645746538de3666dce280d956db4d16f","source":{"kind":"arxiv","id":"1202.4474","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.4474","created_at":"2026-05-18T01:58:23Z"},{"alias_kind":"arxiv_version","alias_value":"1202.4474v1","created_at":"2026-05-18T01:58:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.4474","created_at":"2026-05-18T01:58:23Z"},{"alias_kind":"pith_short_12","alias_value":"3HKODVG7BQD4","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"3HKODVG7BQD45BSJ","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"3HKODVG7","created_at":"2026-05-18T12:26:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:3HKODVG7BQD45BSJMXDHSVDTQF","target":"record","payload":{"canonical_record":{"source":{"id":"1202.4474","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-02-20T21:29:47Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"5f35696d22b964cc6f50d34aa08027b2759677ecbfaffe6820b4c74888a33018","abstract_canon_sha256":"7e252f0946ec3e1a8665fdca1bfb842fc1a4cb33c2d0dbad91eb42e71b6fdfcd"},"schema_version":"1.0"},"canonical_sha256":"d9d4e1d4df0c07ce864965c679547381645746538de3666dce280d956db4d16f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:23.213753Z","signature_b64":"RfSWsbS06YXB1QumV7CTZACkGzFsf+KZ0WbjguwGORJAKgLgC2qrgvd0CUotvT75u2e9W5eBKXlX2ITazFCaAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d9d4e1d4df0c07ce864965c679547381645746538de3666dce280d956db4d16f","last_reissued_at":"2026-05-18T01:58:23.213146Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:23.213146Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1202.4474","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":"2026-05-18T01:58:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wKxYEFrNDHBmQBYcaJiOq4On1UTZyapXBQ14FvRjJzzTGWEKof3n92aTAkAyvmUY8W/jAuJzXolfInvNzOaMBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T11:22:56.957645Z"},"content_sha256":"8c2dab91f7727e98cda32042c2069c03024e0f1720f3d06886382db81ff9e89a","schema_version":"1.0","event_id":"sha256:8c2dab91f7727e98cda32042c2069c03024e0f1720f3d06886382db81ff9e89a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:3HKODVG7BQD45BSJMXDHSVDTQF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Resolved Structure and Dynamics of an Isolated Dwarf Galaxy: A VLT and Keck Spectroscopic Survey of WLM","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Alan W. McConnachie, Alyson M. Brooks, Andrew A. Cole, Eline Tolstoy, Giuseppina Battaglia, J. Trevor Mendel, Kim A. Venn, Mike J. Irwin, Rodrigo A. Ibata, Ryan Leaman","submitted_at":"2012-02-20T21:29:47Z","abstract_excerpt":"We present spectroscopic data for 180 red giant branch stars in the isolated dwarf irregular galaxy WLM. Observations of the Calcium II triplet lines in spectra of RGB stars covering the entire galaxy were obtained with FORS2 at the VLT and DEIMOS on Keck II allowing us to derive velocities, metallicities, and ages for the stars. With accompanying photometric and radio data we have measured the structural parameters of the stellar and gaseous populations over the full galaxy. The stellar populations show an intrinsically thick configuration with $0.39 \\leq q_{0} \\leq 0.57$. The stellar rotatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.4474","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":"2026-05-18T01:58:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ffJSm4oEmVFu5wqzP+ABfsZ9C3eCIWr9E9zQHmowd9klbJ8M1Lpg7C8UH1wfF4d2bPM85CyS6fuPt35DshPEBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T11:22:56.958390Z"},"content_sha256":"4af8b8d6d3235a8f61d5434a11a2254b0b06854db47a9957e003c9a2d5bfde4f","schema_version":"1.0","event_id":"sha256:4af8b8d6d3235a8f61d5434a11a2254b0b06854db47a9957e003c9a2d5bfde4f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3HKODVG7BQD45BSJMXDHSVDTQF/bundle.json","state_url":"https://pith.science/pith/3HKODVG7BQD45BSJMXDHSVDTQF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3HKODVG7BQD45BSJMXDHSVDTQF/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":"2026-05-31T11:22:56Z","links":{"resolver":"https://pith.science/pith/3HKODVG7BQD45BSJMXDHSVDTQF","bundle":"https://pith.science/pith/3HKODVG7BQD45BSJMXDHSVDTQF/bundle.json","state":"https://pith.science/pith/3HKODVG7BQD45BSJMXDHSVDTQF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3HKODVG7BQD45BSJMXDHSVDTQF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:3HKODVG7BQD45BSJMXDHSVDTQF","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":"7e252f0946ec3e1a8665fdca1bfb842fc1a4cb33c2d0dbad91eb42e71b6fdfcd","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-02-20T21:29:47Z","title_canon_sha256":"5f35696d22b964cc6f50d34aa08027b2759677ecbfaffe6820b4c74888a33018"},"schema_version":"1.0","source":{"id":"1202.4474","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.4474","created_at":"2026-05-18T01:58:23Z"},{"alias_kind":"arxiv_version","alias_value":"1202.4474v1","created_at":"2026-05-18T01:58:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.4474","created_at":"2026-05-18T01:58:23Z"},{"alias_kind":"pith_short_12","alias_value":"3HKODVG7BQD4","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"3HKODVG7BQD45BSJ","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"3HKODVG7","created_at":"2026-05-18T12:26:50Z"}],"graph_snapshots":[{"event_id":"sha256:4af8b8d6d3235a8f61d5434a11a2254b0b06854db47a9957e003c9a2d5bfde4f","target":"graph","created_at":"2026-05-18T01:58:23Z","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":"We present spectroscopic data for 180 red giant branch stars in the isolated dwarf irregular galaxy WLM. Observations of the Calcium II triplet lines in spectra of RGB stars covering the entire galaxy were obtained with FORS2 at the VLT and DEIMOS on Keck II allowing us to derive velocities, metallicities, and ages for the stars. With accompanying photometric and radio data we have measured the structural parameters of the stellar and gaseous populations over the full galaxy. The stellar populations show an intrinsically thick configuration with $0.39 \\leq q_{0} \\leq 0.57$. The stellar rotatio","authors_text":"Alan W. McConnachie, Alyson M. Brooks, Andrew A. Cole, Eline Tolstoy, Giuseppina Battaglia, J. Trevor Mendel, Kim A. Venn, Mike J. Irwin, Rodrigo A. Ibata, Ryan Leaman","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-02-20T21:29:47Z","title":"The Resolved Structure and Dynamics of an Isolated Dwarf Galaxy: A VLT and Keck Spectroscopic Survey of WLM"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.4474","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":"sha256:8c2dab91f7727e98cda32042c2069c03024e0f1720f3d06886382db81ff9e89a","target":"record","created_at":"2026-05-18T01:58:23Z","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":"7e252f0946ec3e1a8665fdca1bfb842fc1a4cb33c2d0dbad91eb42e71b6fdfcd","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-02-20T21:29:47Z","title_canon_sha256":"5f35696d22b964cc6f50d34aa08027b2759677ecbfaffe6820b4c74888a33018"},"schema_version":"1.0","source":{"id":"1202.4474","kind":"arxiv","version":1}},"canonical_sha256":"d9d4e1d4df0c07ce864965c679547381645746538de3666dce280d956db4d16f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d9d4e1d4df0c07ce864965c679547381645746538de3666dce280d956db4d16f","first_computed_at":"2026-05-18T01:58:23.213146Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:23.213146Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RfSWsbS06YXB1QumV7CTZACkGzFsf+KZ0WbjguwGORJAKgLgC2qrgvd0CUotvT75u2e9W5eBKXlX2ITazFCaAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:23.213753Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.4474","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8c2dab91f7727e98cda32042c2069c03024e0f1720f3d06886382db81ff9e89a","sha256:4af8b8d6d3235a8f61d5434a11a2254b0b06854db47a9957e003c9a2d5bfde4f"],"state_sha256":"2e13c6f6689a193d7717345c93a148197941539b85a97197fbb7850cd7fb0fb6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dxDLiOLhdMp3yjccXUjn0MbtVokyyAT8RakHUGhwHKw/amR0eAwE+Q59TD4VXfTXFv38nJqPIY1e4sn2fT/7BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T11:22:56.962713Z","bundle_sha256":"eab22fa3669312669c881cc5e9acb679e81d9c2a289e68e08a8e56e2554ace36"}}