{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:XPWVIKKF5CK5YYRCR32B4AZEOA","short_pith_number":"pith:XPWVIKKF","canonical_record":{"source":{"id":"astro-ph/0003223","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-03-15T20:10:58Z","cross_cats_sorted":[],"title_canon_sha256":"582a97b000df32521513eb71fe39e294aed2571b536b98b78a5e8ccd8a2badbf","abstract_canon_sha256":"c5257525229944cd9e8951966bad1b0e41cc3238dc5f1e464b0772ebf0526d52"},"schema_version":"1.0"},"canonical_sha256":"bbed542945e895dc62228ef41e0324701bef95989ef6dcf027994264af6e2a3e","source":{"kind":"arxiv","id":"astro-ph/0003223","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0003223","created_at":"2026-07-04T14:10:14Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0003223v2","created_at":"2026-07-04T14:10:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0003223","created_at":"2026-07-04T14:10:14Z"},{"alias_kind":"pith_short_12","alias_value":"XPWVIKKF5CK5","created_at":"2026-07-04T14:10:14Z"},{"alias_kind":"pith_short_16","alias_value":"XPWVIKKF5CK5YYRC","created_at":"2026-07-04T14:10:14Z"},{"alias_kind":"pith_short_8","alias_value":"XPWVIKKF","created_at":"2026-07-04T14:10:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:XPWVIKKF5CK5YYRCR32B4AZEOA","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0003223","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-03-15T20:10:58Z","cross_cats_sorted":[],"title_canon_sha256":"582a97b000df32521513eb71fe39e294aed2571b536b98b78a5e8ccd8a2badbf","abstract_canon_sha256":"c5257525229944cd9e8951966bad1b0e41cc3238dc5f1e464b0772ebf0526d52"},"schema_version":"1.0"},"canonical_sha256":"bbed542945e895dc62228ef41e0324701bef95989ef6dcf027994264af6e2a3e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:10:14.367465Z","signature_b64":"QK+L6upJrcNlzyOsS9qv9P0KANf99I7aktufqz2NptNNQ9W5NDzh27d34TzcqIHO1lcB+7jwfaB9Mjsn6SarBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bbed542945e895dc62228ef41e0324701bef95989ef6dcf027994264af6e2a3e","last_reissued_at":"2026-07-04T14:10:14.367004Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:10:14.367004Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0003223","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":"2026-07-04T14:10:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LFqpeCh2G07/5OL8SYAxR5Tu3kMwIh67Rt8a4ZWNNKKaaeqqMdJ78YqAw2f1J2Xz54yonCCKyvhrqJ306gZEAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T12:35:36.112422Z"},"content_sha256":"35593b330274c9cfeb3a3a8357983d051941d58a1b8376b309fed80640d61fd9","schema_version":"1.0","event_id":"sha256:35593b330274c9cfeb3a3a8357983d051941d58a1b8376b309fed80640d61fd9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:XPWVIKKF5CK5YYRCR32B4AZEOA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Tip of the Red Giant Branch and Distance of the Magellanic Clouds: results from the DENIS survey","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Cecile Loup, Harm J. Habing, Maria-Rosa. L. Cioni, Roeland P. van der Marel","submitted_at":"2000-03-15T20:10:58Z","abstract_excerpt":"We present a precise determination of the apparent magnitude of the tip of the red giant branch (TRGB) in the I (0.8 micron), J (1.25 micron), and K_S (2.15 micron) bands from the luminosity function of a sample of data extracted from the DENIS catalogue towards the Magellanic Clouds (Cioni et al. 2000).\n  From the J and Ks magnitudes we derive bolometric magnitudes m_bol. We present a new algorithm for the determination of the TRGB magnitude, which we describe in detail and test extensively using Monte-Carlo simulations. We note that any method that searches for a peak in the first derivative"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0003223","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0003223/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":"2026-07-04T14:10:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rE9noJvYxnPGuxo1pMeYdcIOzn5SprNlAuBm64JF39mVZG+0TK7IfaEQvaR3nfJsnFkHXIf0F977ZRttfDGmCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T12:35:36.112928Z"},"content_sha256":"b2c25e170640b867da83c327230f2c648590da74c2f9e405cdbd8f716e52e8e2","schema_version":"1.0","event_id":"sha256:b2c25e170640b867da83c327230f2c648590da74c2f9e405cdbd8f716e52e8e2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XPWVIKKF5CK5YYRCR32B4AZEOA/bundle.json","state_url":"https://pith.science/pith/XPWVIKKF5CK5YYRCR32B4AZEOA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XPWVIKKF5CK5YYRCR32B4AZEOA/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":"2026-08-04T12:35:36Z","links":{"resolver":"https://pith.science/pith/XPWVIKKF5CK5YYRCR32B4AZEOA","bundle":"https://pith.science/pith/XPWVIKKF5CK5YYRCR32B4AZEOA/bundle.json","state":"https://pith.science/pith/XPWVIKKF5CK5YYRCR32B4AZEOA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XPWVIKKF5CK5YYRCR32B4AZEOA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:XPWVIKKF5CK5YYRCR32B4AZEOA","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":"c5257525229944cd9e8951966bad1b0e41cc3238dc5f1e464b0772ebf0526d52","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-03-15T20:10:58Z","title_canon_sha256":"582a97b000df32521513eb71fe39e294aed2571b536b98b78a5e8ccd8a2badbf"},"schema_version":"1.0","source":{"id":"astro-ph/0003223","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0003223","created_at":"2026-07-04T14:10:14Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0003223v2","created_at":"2026-07-04T14:10:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0003223","created_at":"2026-07-04T14:10:14Z"},{"alias_kind":"pith_short_12","alias_value":"XPWVIKKF5CK5","created_at":"2026-07-04T14:10:14Z"},{"alias_kind":"pith_short_16","alias_value":"XPWVIKKF5CK5YYRC","created_at":"2026-07-04T14:10:14Z"},{"alias_kind":"pith_short_8","alias_value":"XPWVIKKF","created_at":"2026-07-04T14:10:14Z"}],"graph_snapshots":[{"event_id":"sha256:b2c25e170640b867da83c327230f2c648590da74c2f9e405cdbd8f716e52e8e2","target":"graph","created_at":"2026-07-04T14:10:14Z","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/0003223/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a precise determination of the apparent magnitude of the tip of the red giant branch (TRGB) in the I (0.8 micron), J (1.25 micron), and K_S (2.15 micron) bands from the luminosity function of a sample of data extracted from the DENIS catalogue towards the Magellanic Clouds (Cioni et al. 2000).\n  From the J and Ks magnitudes we derive bolometric magnitudes m_bol. We present a new algorithm for the determination of the TRGB magnitude, which we describe in detail and test extensively using Monte-Carlo simulations. We note that any method that searches for a peak in the first derivative","authors_text":"Cecile Loup, Harm J. Habing, Maria-Rosa. L. Cioni, Roeland P. van der Marel","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2000-03-15T20:10:58Z","title":"The Tip of the Red Giant Branch and Distance of the Magellanic Clouds: results from the DENIS survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0003223","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":"sha256:35593b330274c9cfeb3a3a8357983d051941d58a1b8376b309fed80640d61fd9","target":"record","created_at":"2026-07-04T14:10:14Z","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":"c5257525229944cd9e8951966bad1b0e41cc3238dc5f1e464b0772ebf0526d52","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-03-15T20:10:58Z","title_canon_sha256":"582a97b000df32521513eb71fe39e294aed2571b536b98b78a5e8ccd8a2badbf"},"schema_version":"1.0","source":{"id":"astro-ph/0003223","kind":"arxiv","version":2}},"canonical_sha256":"bbed542945e895dc62228ef41e0324701bef95989ef6dcf027994264af6e2a3e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bbed542945e895dc62228ef41e0324701bef95989ef6dcf027994264af6e2a3e","first_computed_at":"2026-07-04T14:10:14.367004Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:10:14.367004Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QK+L6upJrcNlzyOsS9qv9P0KANf99I7aktufqz2NptNNQ9W5NDzh27d34TzcqIHO1lcB+7jwfaB9Mjsn6SarBA==","signature_status":"signed_v1","signed_at":"2026-07-04T14:10:14.367465Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0003223","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:35593b330274c9cfeb3a3a8357983d051941d58a1b8376b309fed80640d61fd9","sha256:b2c25e170640b867da83c327230f2c648590da74c2f9e405cdbd8f716e52e8e2"],"state_sha256":"3aeafa6665b8eaec14f2150344108760dae6688601ed33d2a257fcd26f3451a4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CUpGB4SCLERNtmsTivFGFea3by7QfdlmzoUFL9YHd3BN590KQpbDeMyngUtM/of9DXQ3aQ8V8yL80vzI+XbfAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T12:35:36.117031Z","bundle_sha256":"79f17234a8e16552d37f1b6e677b1a494d5bf9ba8cba751604d9a2c77ade93f1"}}