{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:MB7KXEYKESKTARMV4CDLEYBPB5","short_pith_number":"pith:MB7KXEYK","canonical_record":{"source":{"id":"0809.5105","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-30T02:21:33Z","cross_cats_sorted":[],"title_canon_sha256":"445f6d2d5c93be5592c7a65bc32e39df351978acecddfe65019ba51d8068e018","abstract_canon_sha256":"10490b8edc9b94cfe4733213a8275e824fa32ee8c9163e64a8ea9b9e039c7e12"},"schema_version":"1.0"},"canonical_sha256":"607eab930a2495304595e086b2602f0f6f1a4087ceb2a9a235f27b0cd5e384c0","source":{"kind":"arxiv","id":"0809.5105","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0809.5105","created_at":"2026-07-04T15:14:43Z"},{"alias_kind":"arxiv_version","alias_value":"0809.5105v1","created_at":"2026-07-04T15:14:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0809.5105","created_at":"2026-07-04T15:14:43Z"},{"alias_kind":"pith_short_12","alias_value":"MB7KXEYKESKT","created_at":"2026-07-04T15:14:43Z"},{"alias_kind":"pith_short_16","alias_value":"MB7KXEYKESKTARMV","created_at":"2026-07-04T15:14:43Z"},{"alias_kind":"pith_short_8","alias_value":"MB7KXEYK","created_at":"2026-07-04T15:14:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:MB7KXEYKESKTARMV4CDLEYBPB5","target":"record","payload":{"canonical_record":{"source":{"id":"0809.5105","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-30T02:21:33Z","cross_cats_sorted":[],"title_canon_sha256":"445f6d2d5c93be5592c7a65bc32e39df351978acecddfe65019ba51d8068e018","abstract_canon_sha256":"10490b8edc9b94cfe4733213a8275e824fa32ee8c9163e64a8ea9b9e039c7e12"},"schema_version":"1.0"},"canonical_sha256":"607eab930a2495304595e086b2602f0f6f1a4087ceb2a9a235f27b0cd5e384c0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:14:43.752607Z","signature_b64":"merRLPFtExySmFQZU1O1neCWymisGKF9CxcxF8Vobb/f+lDZ7CpBvTCTPBKL+uLQ4eMPIWheshaJ1NgNLNM4Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"607eab930a2495304595e086b2602f0f6f1a4087ceb2a9a235f27b0cd5e384c0","last_reissued_at":"2026-07-04T15:14:43.751667Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:14:43.751667Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0809.5105","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":"2026-07-04T15:14:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BP3/N/c3P/AZUUdUgcmfT1JPPWnA0+5zTKvvDbtdDHwePGTrtX0VuUug4NHKm5qkEwJLY48ursI/B/elCHpsAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T10:18:13.823562Z"},"content_sha256":"8f3841d83c89c559466d57accfbab13a91b45eaacd449d54ae9cd74f08c789ae","schema_version":"1.0","event_id":"sha256:8f3841d83c89c559466d57accfbab13a91b45eaacd449d54ae9cd74f08c789ae"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:MB7KXEYKESKTARMV4CDLEYBPB5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Kinematics of planetary nebulae in the outskirts of the elliptical galaxy NGC 4697","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Burkert, A. M. Teodorescu, R. H. Mendez, R.-P. Kudritzki","submitted_at":"2008-09-30T02:21:33Z","abstract_excerpt":"We describe the implementation of slitless radial velocity measurements of extragalactic planetary nebulae (PNs) with the 8.2 m Subaru telescope and its Cassegrain imaging spectrograph, FOCAS. As a first application, we have extended a previous search for PNs in NGC 4697 to larger angular distances from its center. A total of 218 PNs were detected, and their radial velocities were measured. We have added 56 new PN detections to the existing sample of 535, observed previously with the ESO VLT + FORS imaging spectrograph; 36 of these new 56 PNs are located at angular distances larger than 230 ar"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0809.5105","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0809.5105/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:14:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TDbn8+WPW9TKBgAEq8CCQI0QRlkA04LEJ3KpxjNAWGQXThWVURrFRyIg5EKr6cx6axgPzQYKsLBIEFm2p0WkBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T10:18:13.823931Z"},"content_sha256":"a594742fb12f9ce48ac11b77c0dbd5b75ed7f37928ca35ec2c7d89755ffde75e","schema_version":"1.0","event_id":"sha256:a594742fb12f9ce48ac11b77c0dbd5b75ed7f37928ca35ec2c7d89755ffde75e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MB7KXEYKESKTARMV4CDLEYBPB5/bundle.json","state_url":"https://pith.science/pith/MB7KXEYKESKTARMV4CDLEYBPB5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MB7KXEYKESKTARMV4CDLEYBPB5/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":"2026-07-07T10:18:13Z","links":{"resolver":"https://pith.science/pith/MB7KXEYKESKTARMV4CDLEYBPB5","bundle":"https://pith.science/pith/MB7KXEYKESKTARMV4CDLEYBPB5/bundle.json","state":"https://pith.science/pith/MB7KXEYKESKTARMV4CDLEYBPB5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MB7KXEYKESKTARMV4CDLEYBPB5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:MB7KXEYKESKTARMV4CDLEYBPB5","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":"10490b8edc9b94cfe4733213a8275e824fa32ee8c9163e64a8ea9b9e039c7e12","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-30T02:21:33Z","title_canon_sha256":"445f6d2d5c93be5592c7a65bc32e39df351978acecddfe65019ba51d8068e018"},"schema_version":"1.0","source":{"id":"0809.5105","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0809.5105","created_at":"2026-07-04T15:14:43Z"},{"alias_kind":"arxiv_version","alias_value":"0809.5105v1","created_at":"2026-07-04T15:14:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0809.5105","created_at":"2026-07-04T15:14:43Z"},{"alias_kind":"pith_short_12","alias_value":"MB7KXEYKESKT","created_at":"2026-07-04T15:14:43Z"},{"alias_kind":"pith_short_16","alias_value":"MB7KXEYKESKTARMV","created_at":"2026-07-04T15:14:43Z"},{"alias_kind":"pith_short_8","alias_value":"MB7KXEYK","created_at":"2026-07-04T15:14:43Z"}],"graph_snapshots":[{"event_id":"sha256:a594742fb12f9ce48ac11b77c0dbd5b75ed7f37928ca35ec2c7d89755ffde75e","target":"graph","created_at":"2026-07-04T15:14:43Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0809.5105/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We describe the implementation of slitless radial velocity measurements of extragalactic planetary nebulae (PNs) with the 8.2 m Subaru telescope and its Cassegrain imaging spectrograph, FOCAS. As a first application, we have extended a previous search for PNs in NGC 4697 to larger angular distances from its center. A total of 218 PNs were detected, and their radial velocities were measured. We have added 56 new PN detections to the existing sample of 535, observed previously with the ESO VLT + FORS imaging spectrograph; 36 of these new 56 PNs are located at angular distances larger than 230 ar","authors_text":"A. Burkert, A. M. Teodorescu, R. H. Mendez, R.-P. Kudritzki","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-30T02:21:33Z","title":"Kinematics of planetary nebulae in the outskirts of the elliptical galaxy NGC 4697"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0809.5105","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":"sha256:8f3841d83c89c559466d57accfbab13a91b45eaacd449d54ae9cd74f08c789ae","target":"record","created_at":"2026-07-04T15:14:43Z","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":"10490b8edc9b94cfe4733213a8275e824fa32ee8c9163e64a8ea9b9e039c7e12","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-30T02:21:33Z","title_canon_sha256":"445f6d2d5c93be5592c7a65bc32e39df351978acecddfe65019ba51d8068e018"},"schema_version":"1.0","source":{"id":"0809.5105","kind":"arxiv","version":1}},"canonical_sha256":"607eab930a2495304595e086b2602f0f6f1a4087ceb2a9a235f27b0cd5e384c0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"607eab930a2495304595e086b2602f0f6f1a4087ceb2a9a235f27b0cd5e384c0","first_computed_at":"2026-07-04T15:14:43.751667Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:14:43.751667Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"merRLPFtExySmFQZU1O1neCWymisGKF9CxcxF8Vobb/f+lDZ7CpBvTCTPBKL+uLQ4eMPIWheshaJ1NgNLNM4Dw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:14:43.752607Z","signed_message":"canonical_sha256_bytes"},"source_id":"0809.5105","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8f3841d83c89c559466d57accfbab13a91b45eaacd449d54ae9cd74f08c789ae","sha256:a594742fb12f9ce48ac11b77c0dbd5b75ed7f37928ca35ec2c7d89755ffde75e"],"state_sha256":"67adce0e6d8b9cbe7b96b89d137746af52a18edfdc78ac9c4c734d37220a5137"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PN8p/ibTx9rfT0SnoNGY23z2hjoE9RbPxtro1muGgzP92wZoUNtsDy395rYIHGHHovAEJy4aLREpzhzyaE1eAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T10:18:13.826261Z","bundle_sha256":"ecb6db18f640e69ffa08685d20e6eed17e6bfcdab54fd18423fb9b47c82e28f0"}}