{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:67M5HFCOY2HU47OEL4XAXCG5JN","short_pith_number":"pith:67M5HFCO","canonical_record":{"source":{"id":"astro-ph/0301223","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-01-13T20:20:15Z","cross_cats_sorted":[],"title_canon_sha256":"ced006ba08b5d58bcaf3fb1960d3d8d6edaa835fd3f653411d738aa70061f416","abstract_canon_sha256":"f3d2e80406d7ee091271344332a2e247111acc7649544f92e56f361fc4e2aa33"},"schema_version":"1.0"},"canonical_sha256":"f7d9d3944ec68f4e7dc45f2e0b88dd4b57d0f8184564bbcc124af443e777fd1b","source":{"kind":"arxiv","id":"astro-ph/0301223","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0301223","created_at":"2026-07-04T16:35:50Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0301223v1","created_at":"2026-07-04T16:35:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0301223","created_at":"2026-07-04T16:35:50Z"},{"alias_kind":"pith_short_12","alias_value":"67M5HFCOY2HU","created_at":"2026-07-04T16:35:50Z"},{"alias_kind":"pith_short_16","alias_value":"67M5HFCOY2HU47OE","created_at":"2026-07-04T16:35:50Z"},{"alias_kind":"pith_short_8","alias_value":"67M5HFCO","created_at":"2026-07-04T16:35:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:67M5HFCOY2HU47OEL4XAXCG5JN","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0301223","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-01-13T20:20:15Z","cross_cats_sorted":[],"title_canon_sha256":"ced006ba08b5d58bcaf3fb1960d3d8d6edaa835fd3f653411d738aa70061f416","abstract_canon_sha256":"f3d2e80406d7ee091271344332a2e247111acc7649544f92e56f361fc4e2aa33"},"schema_version":"1.0"},"canonical_sha256":"f7d9d3944ec68f4e7dc45f2e0b88dd4b57d0f8184564bbcc124af443e777fd1b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:35:50.954081Z","signature_b64":"EwOGt//TCruLTeDLrYQAEUUZaBl8ZRvH30ET9OvdHDmT5GVY/HCA5+yBFWfsusZPjUPTRRhjIMa7Tif6RIFKBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f7d9d3944ec68f4e7dc45f2e0b88dd4b57d0f8184564bbcc124af443e777fd1b","last_reissued_at":"2026-07-04T16:35:50.953682Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:35:50.953682Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0301223","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":"2026-07-04T16:35:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jRVenAcaGsX+06PMGKhfYTCqybEDpIU7FjWd/QHQ0zPMV3JLnLzs5Xqzc9w2kCBumTvzkyeBiGaD9jfGfOHQBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T19:05:25.578627Z"},"content_sha256":"854fa44e8dd92d1b926d88783c78dc39f1972ba270d803096181253a85d1a341","schema_version":"1.0","event_id":"sha256:854fa44e8dd92d1b926d88783c78dc39f1972ba270d803096181253a85d1a341"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:67M5HFCOY2HU47OEL4XAXCG5JN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Globular Cluster System of NGC 1399. I. A Wide-field Photometric Study","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Boris Dirsch, Doug Geisler, Juan Carlos Forte, Lilia P. Bassino, Tom Richtler, Wolfgang P. Gieren","submitted_at":"2003-01-13T20:20:15Z","abstract_excerpt":"We present a photometric investigation of the globular cluster population of NGC 1399, the central galaxy in the Fornax cluster, in Washington C and Kron R filters within a field of 36'x36'. This is the largest area around this galaxy ever studied with CCD photometry. The cluster system of NGC 1399 is found to extend further than 100 kpc away from the galaxy. The color distribution exhibits a pronounced bimodality. Within a radial distance of about 55 kpc, the red clusters are more strongly concentrated to the center than the blueclusters. At larger radii, the surface density profiles of the c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0301223","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/astro-ph/0301223/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":"2026-07-04T16:35:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ptGZTmAUTrh3wG55TxKOoxNIImmXgAxrccGYk7ioFS1EbYBmVlMi1iTbDnHxgUek5cqg+svA91bCHdFMZXm9BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T19:05:25.579118Z"},"content_sha256":"58eb95d6a57f0787dd39f1fa16e67a9695959dc1a621ce9724461ccd1bbd70b3","schema_version":"1.0","event_id":"sha256:58eb95d6a57f0787dd39f1fa16e67a9695959dc1a621ce9724461ccd1bbd70b3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/67M5HFCOY2HU47OEL4XAXCG5JN/bundle.json","state_url":"https://pith.science/pith/67M5HFCOY2HU47OEL4XAXCG5JN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/67M5HFCOY2HU47OEL4XAXCG5JN/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":"2026-08-08T19:05:25Z","links":{"resolver":"https://pith.science/pith/67M5HFCOY2HU47OEL4XAXCG5JN","bundle":"https://pith.science/pith/67M5HFCOY2HU47OEL4XAXCG5JN/bundle.json","state":"https://pith.science/pith/67M5HFCOY2HU47OEL4XAXCG5JN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/67M5HFCOY2HU47OEL4XAXCG5JN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:67M5HFCOY2HU47OEL4XAXCG5JN","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":"f3d2e80406d7ee091271344332a2e247111acc7649544f92e56f361fc4e2aa33","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-01-13T20:20:15Z","title_canon_sha256":"ced006ba08b5d58bcaf3fb1960d3d8d6edaa835fd3f653411d738aa70061f416"},"schema_version":"1.0","source":{"id":"astro-ph/0301223","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0301223","created_at":"2026-07-04T16:35:50Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0301223v1","created_at":"2026-07-04T16:35:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0301223","created_at":"2026-07-04T16:35:50Z"},{"alias_kind":"pith_short_12","alias_value":"67M5HFCOY2HU","created_at":"2026-07-04T16:35:50Z"},{"alias_kind":"pith_short_16","alias_value":"67M5HFCOY2HU47OE","created_at":"2026-07-04T16:35:50Z"},{"alias_kind":"pith_short_8","alias_value":"67M5HFCO","created_at":"2026-07-04T16:35:50Z"}],"graph_snapshots":[{"event_id":"sha256:58eb95d6a57f0787dd39f1fa16e67a9695959dc1a621ce9724461ccd1bbd70b3","target":"graph","created_at":"2026-07-04T16:35:50Z","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/astro-ph/0301223/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a photometric investigation of the globular cluster population of NGC 1399, the central galaxy in the Fornax cluster, in Washington C and Kron R filters within a field of 36'x36'. This is the largest area around this galaxy ever studied with CCD photometry. The cluster system of NGC 1399 is found to extend further than 100 kpc away from the galaxy. The color distribution exhibits a pronounced bimodality. Within a radial distance of about 55 kpc, the red clusters are more strongly concentrated to the center than the blueclusters. At larger radii, the surface density profiles of the c","authors_text":"Boris Dirsch, Doug Geisler, Juan Carlos Forte, Lilia P. Bassino, Tom Richtler, Wolfgang P. Gieren","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-01-13T20:20:15Z","title":"The Globular Cluster System of NGC 1399. I. A Wide-field Photometric Study"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0301223","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":"sha256:854fa44e8dd92d1b926d88783c78dc39f1972ba270d803096181253a85d1a341","target":"record","created_at":"2026-07-04T16:35:50Z","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":"f3d2e80406d7ee091271344332a2e247111acc7649544f92e56f361fc4e2aa33","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-01-13T20:20:15Z","title_canon_sha256":"ced006ba08b5d58bcaf3fb1960d3d8d6edaa835fd3f653411d738aa70061f416"},"schema_version":"1.0","source":{"id":"astro-ph/0301223","kind":"arxiv","version":1}},"canonical_sha256":"f7d9d3944ec68f4e7dc45f2e0b88dd4b57d0f8184564bbcc124af443e777fd1b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f7d9d3944ec68f4e7dc45f2e0b88dd4b57d0f8184564bbcc124af443e777fd1b","first_computed_at":"2026-07-04T16:35:50.953682Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:35:50.953682Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EwOGt//TCruLTeDLrYQAEUUZaBl8ZRvH30ET9OvdHDmT5GVY/HCA5+yBFWfsusZPjUPTRRhjIMa7Tif6RIFKBw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:35:50.954081Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0301223","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:854fa44e8dd92d1b926d88783c78dc39f1972ba270d803096181253a85d1a341","sha256:58eb95d6a57f0787dd39f1fa16e67a9695959dc1a621ce9724461ccd1bbd70b3"],"state_sha256":"893e701155dc06562bbafed8d5ca559013a08538a8fee8d95b5258e03d34f377"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pGjupE0gcz92NPirOtE66rRxum48ztHFLQSH+f0osg+sM0DO3F9XQHhwTwpL/wtaGVsCQlvV4HyRUkw9qVVdDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T19:05:25.583714Z","bundle_sha256":"3c138a729e96e33f3cd59fa5b43c3795c2f9628ee4928af873d343d042e4969b"}}