{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:ZG3KJBS3RLNMIVJOH767XSZXV2","short_pith_number":"pith:ZG3KJBS3","canonical_record":{"source":{"id":"0911.3654","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-11-19T16:17:43Z","cross_cats_sorted":[],"title_canon_sha256":"2d9ccf11d8e7c784528c5af2d7e6eb09cbac8c6a8c3c2c0185481901c4618921","abstract_canon_sha256":"17994b7610e4ab97662090bf5b5963c31ba7c56adf3b445ab7abb7959d9f80d7"},"schema_version":"1.0"},"canonical_sha256":"c9b6a4865b8adac4552e3ffdfbcb37aeaa9448bb9e9723916081e1e955d8d810","source":{"kind":"arxiv","id":"0911.3654","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0911.3654","created_at":"2026-05-18T02:34:04Z"},{"alias_kind":"arxiv_version","alias_value":"0911.3654v2","created_at":"2026-05-18T02:34:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.3654","created_at":"2026-05-18T02:34:04Z"},{"alias_kind":"pith_short_12","alias_value":"ZG3KJBS3RLNM","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"ZG3KJBS3RLNMIVJO","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"ZG3KJBS3","created_at":"2026-05-18T12:26:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:ZG3KJBS3RLNMIVJOH767XSZXV2","target":"record","payload":{"canonical_record":{"source":{"id":"0911.3654","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-11-19T16:17:43Z","cross_cats_sorted":[],"title_canon_sha256":"2d9ccf11d8e7c784528c5af2d7e6eb09cbac8c6a8c3c2c0185481901c4618921","abstract_canon_sha256":"17994b7610e4ab97662090bf5b5963c31ba7c56adf3b445ab7abb7959d9f80d7"},"schema_version":"1.0"},"canonical_sha256":"c9b6a4865b8adac4552e3ffdfbcb37aeaa9448bb9e9723916081e1e955d8d810","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:04.667755Z","signature_b64":"FrrbNCoUpzzu7dYovVGw1ULelvls0UhVV7Ot8W5YrQMZCdbmPhTTmdu0tT4MNaIcFDND2MDj3co9+dWMs6XRCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c9b6a4865b8adac4552e3ffdfbcb37aeaa9448bb9e9723916081e1e955d8d810","last_reissued_at":"2026-05-18T02:34:04.667261Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:04.667261Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0911.3654","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:34:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ill3ZghD9Am/Yixs/z+6Q9gido66OIp7ljRlNms8jw6YAzkW3UcJedizqu3bC1JC7ReoE1GYgrbxntoR6ylDBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T11:40:57.552021Z"},"content_sha256":"5663adb73b2d835668ef8b333d65f2f7c391eb3371d29f724352f223b2e42db5","schema_version":"1.0","event_id":"sha256:5663adb73b2d835668ef8b333d65f2f7c391eb3371d29f724352f223b2e42db5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:ZG3KJBS3RLNMIVJOH767XSZXV2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Local Group Dwarf Elliptical Galaxies: II. Stellar Kinematics to Large Radii in NGC 147 and NGC 185","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"E. N. Kirby, J. Kalirai, K. M. Gilbert, M. Geha, P. Guhathakurta, R. P. van der Marel","submitted_at":"2009-11-19T16:17:43Z","abstract_excerpt":"We present kinematic and metallicity profiles for the M31 dwarf elliptical (dE) satellite galaxies NGC 147 and NGC 185. The profiles represent the most extensive spectroscopic radial coverage for any dE galaxy, extending to a projected distance of eight half-light radii (8 r_eff = 14'). We achieve this coverage via Keck/DEIMOS multislit spectroscopic observations of 520 and 442 member red giant branch stars in NGC 147 and NGC 185, respectively. In contrast to previous studies, we find that both dEs have significant internal rotation. We measure a maximum rotational velocity of 17+/-2 km/s for "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.3654","kind":"arxiv","version":2},"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":"2026-05-18T02:34:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x89X1no2V/N5rsP+QAUG9ayQXss0x4TSv6FApqnVCL92ueB6+5cvOouWJJiNycLgMO8owW6xi2Rv41TdBlPBCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T11:40:57.552382Z"},"content_sha256":"4abafea6c017343d52135cb0be8cabe7d5141f826997aadf1d99417adb2f92a4","schema_version":"1.0","event_id":"sha256:4abafea6c017343d52135cb0be8cabe7d5141f826997aadf1d99417adb2f92a4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZG3KJBS3RLNMIVJOH767XSZXV2/bundle.json","state_url":"https://pith.science/pith/ZG3KJBS3RLNMIVJOH767XSZXV2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZG3KJBS3RLNMIVJOH767XSZXV2/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":"2026-06-05T11:40:57Z","links":{"resolver":"https://pith.science/pith/ZG3KJBS3RLNMIVJOH767XSZXV2","bundle":"https://pith.science/pith/ZG3KJBS3RLNMIVJOH767XSZXV2/bundle.json","state":"https://pith.science/pith/ZG3KJBS3RLNMIVJOH767XSZXV2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZG3KJBS3RLNMIVJOH767XSZXV2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:ZG3KJBS3RLNMIVJOH767XSZXV2","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":"17994b7610e4ab97662090bf5b5963c31ba7c56adf3b445ab7abb7959d9f80d7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-11-19T16:17:43Z","title_canon_sha256":"2d9ccf11d8e7c784528c5af2d7e6eb09cbac8c6a8c3c2c0185481901c4618921"},"schema_version":"1.0","source":{"id":"0911.3654","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0911.3654","created_at":"2026-05-18T02:34:04Z"},{"alias_kind":"arxiv_version","alias_value":"0911.3654v2","created_at":"2026-05-18T02:34:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.3654","created_at":"2026-05-18T02:34:04Z"},{"alias_kind":"pith_short_12","alias_value":"ZG3KJBS3RLNM","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"ZG3KJBS3RLNMIVJO","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"ZG3KJBS3","created_at":"2026-05-18T12:26:02Z"}],"graph_snapshots":[{"event_id":"sha256:4abafea6c017343d52135cb0be8cabe7d5141f826997aadf1d99417adb2f92a4","target":"graph","created_at":"2026-05-18T02:34:04Z","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 kinematic and metallicity profiles for the M31 dwarf elliptical (dE) satellite galaxies NGC 147 and NGC 185. The profiles represent the most extensive spectroscopic radial coverage for any dE galaxy, extending to a projected distance of eight half-light radii (8 r_eff = 14'). We achieve this coverage via Keck/DEIMOS multislit spectroscopic observations of 520 and 442 member red giant branch stars in NGC 147 and NGC 185, respectively. In contrast to previous studies, we find that both dEs have significant internal rotation. We measure a maximum rotational velocity of 17+/-2 km/s for ","authors_text":"E. N. Kirby, J. Kalirai, K. M. Gilbert, M. Geha, P. Guhathakurta, R. P. van der Marel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-11-19T16:17:43Z","title":"Local Group Dwarf Elliptical Galaxies: II. Stellar Kinematics to Large Radii in NGC 147 and NGC 185"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.3654","kind":"arxiv","version":2},"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":"sha256:5663adb73b2d835668ef8b333d65f2f7c391eb3371d29f724352f223b2e42db5","target":"record","created_at":"2026-05-18T02:34:04Z","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":"17994b7610e4ab97662090bf5b5963c31ba7c56adf3b445ab7abb7959d9f80d7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-11-19T16:17:43Z","title_canon_sha256":"2d9ccf11d8e7c784528c5af2d7e6eb09cbac8c6a8c3c2c0185481901c4618921"},"schema_version":"1.0","source":{"id":"0911.3654","kind":"arxiv","version":2}},"canonical_sha256":"c9b6a4865b8adac4552e3ffdfbcb37aeaa9448bb9e9723916081e1e955d8d810","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c9b6a4865b8adac4552e3ffdfbcb37aeaa9448bb9e9723916081e1e955d8d810","first_computed_at":"2026-05-18T02:34:04.667261Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:34:04.667261Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FrrbNCoUpzzu7dYovVGw1ULelvls0UhVV7Ot8W5YrQMZCdbmPhTTmdu0tT4MNaIcFDND2MDj3co9+dWMs6XRCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:34:04.667755Z","signed_message":"canonical_sha256_bytes"},"source_id":"0911.3654","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5663adb73b2d835668ef8b333d65f2f7c391eb3371d29f724352f223b2e42db5","sha256:4abafea6c017343d52135cb0be8cabe7d5141f826997aadf1d99417adb2f92a4"],"state_sha256":"bc07fd64854d2cd44c3be74cbe1d9ed9594787833172f359950f921eb291d4d8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k9q/oZhZ7y6HwNPjlanB4bqBMKdrxns0FYt9x0EcJtjh2DPtrxBsh+3fsB+IlCtS2rpCEnEaaEBKSPGyCX1sCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T11:40:57.554377Z","bundle_sha256":"b08df9d9651ef2b1715acae2af93119f5a9725b1d4be7d51fff01f631f6c6410"}}