{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:HMAYEJM452JG2ETQEXAMCMTL7Z","short_pith_number":"pith:HMAYEJM4","canonical_record":{"source":{"id":"1012.0419","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-12-02T13:56:20Z","cross_cats_sorted":[],"title_canon_sha256":"6d2cfd222801059a35361a44edeb1a9280a56359f5e317a508b3c5374d522dab","abstract_canon_sha256":"1b9460ece486337e0c7c4bd9e845f001d633c3ef8d763057c2a3d204c26edcd9"},"schema_version":"1.0"},"canonical_sha256":"3b0182259cee926d127025c0c1326bfe4b175dfd3a592ce8ddce846182611ddb","source":{"kind":"arxiv","id":"1012.0419","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.0419","created_at":"2026-05-18T02:04:36Z"},{"alias_kind":"arxiv_version","alias_value":"1012.0419v1","created_at":"2026-05-18T02:04:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.0419","created_at":"2026-05-18T02:04:36Z"},{"alias_kind":"pith_short_12","alias_value":"HMAYEJM452JG","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"HMAYEJM452JG2ETQ","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"HMAYEJM4","created_at":"2026-05-18T12:26:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:HMAYEJM452JG2ETQEXAMCMTL7Z","target":"record","payload":{"canonical_record":{"source":{"id":"1012.0419","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-12-02T13:56:20Z","cross_cats_sorted":[],"title_canon_sha256":"6d2cfd222801059a35361a44edeb1a9280a56359f5e317a508b3c5374d522dab","abstract_canon_sha256":"1b9460ece486337e0c7c4bd9e845f001d633c3ef8d763057c2a3d204c26edcd9"},"schema_version":"1.0"},"canonical_sha256":"3b0182259cee926d127025c0c1326bfe4b175dfd3a592ce8ddce846182611ddb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:36.059308Z","signature_b64":"5PqHS5OasnnYSnPZei4vtshQUoSB3KrWbRsD33pxkstq3y1ZY662OB1YAtPNCRclDX7fCt7QeKvDB7tVZ7XSDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3b0182259cee926d127025c0c1326bfe4b175dfd3a592ce8ddce846182611ddb","last_reissued_at":"2026-05-18T02:04:36.058570Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:36.058570Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1012.0419","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":"2026-05-18T02:04:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a3BcCX4F62ZFEcCczDV3Vsg1OLQ7I+KAF+jx+LMCkqXBAW1gX+qjUm+l2MrZlCJIw6v8T57Pws498te+sVyZCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T03:58:13.104816Z"},"content_sha256":"5f31721a242f255635475fd30be31a3d658066e1cf5ea9d5e3eba1500d1d60f3","schema_version":"1.0","event_id":"sha256:5f31721a242f255635475fd30be31a3d658066e1cf5ea9d5e3eba1500d1d60f3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:HMAYEJM452JG2ETQEXAMCMTL7Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the magnitude difference between the main sequence turn off and the red giant branch bump in Galactic globular clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Adriano Pietrinferni (INAF-OACTe, Antonio Aparicio (IAC, Antonio Marin-Franch (CEFCA, Italy), Matteo Monelli (IAC, Maurizio Salaris (ARI, Santi Cassisi (INAF-OACTe, Spain), UK), ULL","submitted_at":"2010-12-02T13:56:20Z","abstract_excerpt":"We present new measurements of the magnitude of the main sequence turn off and the red giant branch bump in the luminosity function of a sample of Galactic globular clusters with updated estimates of [Fe/H] and [$\\alpha$/Fe], employing photometric data collected with the Advanced Camera for Survey on board the HST. We compare measured and predicted values of the magnitude difference between these two features, a rarely employed diagnostic of the internal structure of low-mass stars at the beginning of their red giant evolution. Our analysis discloses a clear discrepancy between theory and obse"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.0419","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":"2026-05-18T02:04:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VpzUGv50Rq6kaDDd9sqr3al6WUsg8Ep2f3VSIrqx5V77M1i83KyX0Uyej6iz1TEJogWnmvuD5Y7ARFWD45cWDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T03:58:13.105171Z"},"content_sha256":"fa8e38de2eb3425f0c4395ea9f670e1c64d0ede11b8d4814c33895c7dc5785e7","schema_version":"1.0","event_id":"sha256:fa8e38de2eb3425f0c4395ea9f670e1c64d0ede11b8d4814c33895c7dc5785e7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HMAYEJM452JG2ETQEXAMCMTL7Z/bundle.json","state_url":"https://pith.science/pith/HMAYEJM452JG2ETQEXAMCMTL7Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HMAYEJM452JG2ETQEXAMCMTL7Z/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":"2026-06-02T03:58:13Z","links":{"resolver":"https://pith.science/pith/HMAYEJM452JG2ETQEXAMCMTL7Z","bundle":"https://pith.science/pith/HMAYEJM452JG2ETQEXAMCMTL7Z/bundle.json","state":"https://pith.science/pith/HMAYEJM452JG2ETQEXAMCMTL7Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HMAYEJM452JG2ETQEXAMCMTL7Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:HMAYEJM452JG2ETQEXAMCMTL7Z","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":"1b9460ece486337e0c7c4bd9e845f001d633c3ef8d763057c2a3d204c26edcd9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-12-02T13:56:20Z","title_canon_sha256":"6d2cfd222801059a35361a44edeb1a9280a56359f5e317a508b3c5374d522dab"},"schema_version":"1.0","source":{"id":"1012.0419","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.0419","created_at":"2026-05-18T02:04:36Z"},{"alias_kind":"arxiv_version","alias_value":"1012.0419v1","created_at":"2026-05-18T02:04:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.0419","created_at":"2026-05-18T02:04:36Z"},{"alias_kind":"pith_short_12","alias_value":"HMAYEJM452JG","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"HMAYEJM452JG2ETQ","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"HMAYEJM4","created_at":"2026-05-18T12:26:07Z"}],"graph_snapshots":[{"event_id":"sha256:fa8e38de2eb3425f0c4395ea9f670e1c64d0ede11b8d4814c33895c7dc5785e7","target":"graph","created_at":"2026-05-18T02:04:36Z","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 new measurements of the magnitude of the main sequence turn off and the red giant branch bump in the luminosity function of a sample of Galactic globular clusters with updated estimates of [Fe/H] and [$\\alpha$/Fe], employing photometric data collected with the Advanced Camera for Survey on board the HST. We compare measured and predicted values of the magnitude difference between these two features, a rarely employed diagnostic of the internal structure of low-mass stars at the beginning of their red giant evolution. Our analysis discloses a clear discrepancy between theory and obse","authors_text":"Adriano Pietrinferni (INAF-OACTe, Antonio Aparicio (IAC, Antonio Marin-Franch (CEFCA, Italy), Matteo Monelli (IAC, Maurizio Salaris (ARI, Santi Cassisi (INAF-OACTe, Spain), UK), ULL","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-12-02T13:56:20Z","title":"On the magnitude difference between the main sequence turn off and the red giant branch bump in Galactic globular clusters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.0419","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":"sha256:5f31721a242f255635475fd30be31a3d658066e1cf5ea9d5e3eba1500d1d60f3","target":"record","created_at":"2026-05-18T02:04:36Z","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":"1b9460ece486337e0c7c4bd9e845f001d633c3ef8d763057c2a3d204c26edcd9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-12-02T13:56:20Z","title_canon_sha256":"6d2cfd222801059a35361a44edeb1a9280a56359f5e317a508b3c5374d522dab"},"schema_version":"1.0","source":{"id":"1012.0419","kind":"arxiv","version":1}},"canonical_sha256":"3b0182259cee926d127025c0c1326bfe4b175dfd3a592ce8ddce846182611ddb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3b0182259cee926d127025c0c1326bfe4b175dfd3a592ce8ddce846182611ddb","first_computed_at":"2026-05-18T02:04:36.058570Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:04:36.058570Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5PqHS5OasnnYSnPZei4vtshQUoSB3KrWbRsD33pxkstq3y1ZY662OB1YAtPNCRclDX7fCt7QeKvDB7tVZ7XSDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:04:36.059308Z","signed_message":"canonical_sha256_bytes"},"source_id":"1012.0419","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5f31721a242f255635475fd30be31a3d658066e1cf5ea9d5e3eba1500d1d60f3","sha256:fa8e38de2eb3425f0c4395ea9f670e1c64d0ede11b8d4814c33895c7dc5785e7"],"state_sha256":"7a0e34561083dd8e709ec12d5b07c8c941c683fff277fb03913facbafaf18d44"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r9h/egXpD0In2w7yG5rUJVjM/NEt/kX4NYYcZnoQWaVSIAnaojnSVIgRb5DniNW7NGbTaeIJSWXPvDKk1RvTDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T03:58:13.107850Z","bundle_sha256":"e7f2eef7baacb196fe99cd9416158c9abfa20b96b781ac648aadd1b9673d41c3"}}