{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:TCLZXR27RT423CFRC34YDAMAN6","short_pith_number":"pith:TCLZXR27","canonical_record":{"source":{"id":"1009.4618","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-09-23T14:08:24Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"160a9a7709974736c4d57e072c37063733c472b98e4d18057b945d2adf80413f","abstract_canon_sha256":"5ce1bc8f55e9c7dea9329210b8283ebd4f0c2aee1b2080441d9164897eb8d621"},"schema_version":"1.0"},"canonical_sha256":"98979bc75f8cf9ad88b116f98181806f8c76f03c58463ce76c46f7b3fb5c0740","source":{"kind":"arxiv","id":"1009.4618","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.4618","created_at":"2026-05-18T04:36:10Z"},{"alias_kind":"arxiv_version","alias_value":"1009.4618v1","created_at":"2026-05-18T04:36:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.4618","created_at":"2026-05-18T04:36:10Z"},{"alias_kind":"pith_short_12","alias_value":"TCLZXR27RT42","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"TCLZXR27RT423CFR","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"TCLZXR27","created_at":"2026-05-18T12:26:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:TCLZXR27RT423CFRC34YDAMAN6","target":"record","payload":{"canonical_record":{"source":{"id":"1009.4618","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-09-23T14:08:24Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"160a9a7709974736c4d57e072c37063733c472b98e4d18057b945d2adf80413f","abstract_canon_sha256":"5ce1bc8f55e9c7dea9329210b8283ebd4f0c2aee1b2080441d9164897eb8d621"},"schema_version":"1.0"},"canonical_sha256":"98979bc75f8cf9ad88b116f98181806f8c76f03c58463ce76c46f7b3fb5c0740","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:36:10.235403Z","signature_b64":"R1lu0vmAsNMgENb+r16i9QfYE1YBP4r2245knOM8XNz4Lkx82r9zaZOh/pjWCEK1rdWeqgs0PGU599Fuj8nnDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"98979bc75f8cf9ad88b116f98181806f8c76f03c58463ce76c46f7b3fb5c0740","last_reissued_at":"2026-05-18T04:36:10.234756Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:36:10.234756Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1009.4618","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":"2026-05-18T04:36:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bVl7IOWvC/k0paxOxoobi3i+1lViNFPVSfPxv5WZ4qkZQq6TV7xkX+Xs28H62eC9Fkge2gJvd+Nx3fFqMnh3Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:52:44.218040Z"},"content_sha256":"7e7b5594265d5d5ec5d09e5e0dd2389544c12a9ff36d1c409be902dce4a85fd1","schema_version":"1.0","event_id":"sha256:7e7b5594265d5d5ec5d09e5e0dd2389544c12a9ff36d1c409be902dce4a85fd1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:TCLZXR27RT423CFRC34YDAMAN6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The ACS Nearby Galaxy Survey Treasury IX. Constraining asymptotic giant branch evolution with old metal-poor galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Andrew Dolphin, Anil C. Seth, Benjamin F. Williams, Daniel R. Weisz, Evan Skillman, Jason Melbourne, Julianne J. Dalcanton, Karoline M. Gilbert, Knut A.G. Olsen, Leo Girardi, Martha L. Boyer, Paola Marigo, Philip Rosenfield","submitted_at":"2010-09-23T14:08:24Z","abstract_excerpt":"In an attempt to constrain evolutionary models of the asymptotic giant branch (AGB) phase at the limit of low masses and low metallicities, we have examined the luminosity functions and number ratio between AGB and red giant branch (RGB) stars from a sample of resolved galaxies from the ACS Nearby Galaxy Survey Treasury (ANGST). This database provides HST optical photometry together with maps of completeness, photometric errors, and star formation histories for dozens of galaxies within 4 Mpc. We select 12 galaxies characterized by predominantly metal-poor populations as indicated by a very st"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.4618","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":"2026-05-18T04:36:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0Ck2TYTtrX6WuzbRcFXbquP/72Wl286vIpPhos1XrEB1nurlUKx6o3Ua6RjnPWrA80eZQ6drPINq1LHuFChLDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:52:44.218740Z"},"content_sha256":"27485ba8127a4eb72beb0668347f9ee65e187a4e2d9360daa8a492843b1b6b87","schema_version":"1.0","event_id":"sha256:27485ba8127a4eb72beb0668347f9ee65e187a4e2d9360daa8a492843b1b6b87"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TCLZXR27RT423CFRC34YDAMAN6/bundle.json","state_url":"https://pith.science/pith/TCLZXR27RT423CFRC34YDAMAN6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TCLZXR27RT423CFRC34YDAMAN6/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":"2026-05-27T18:52:44Z","links":{"resolver":"https://pith.science/pith/TCLZXR27RT423CFRC34YDAMAN6","bundle":"https://pith.science/pith/TCLZXR27RT423CFRC34YDAMAN6/bundle.json","state":"https://pith.science/pith/TCLZXR27RT423CFRC34YDAMAN6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TCLZXR27RT423CFRC34YDAMAN6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:TCLZXR27RT423CFRC34YDAMAN6","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":"5ce1bc8f55e9c7dea9329210b8283ebd4f0c2aee1b2080441d9164897eb8d621","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-09-23T14:08:24Z","title_canon_sha256":"160a9a7709974736c4d57e072c37063733c472b98e4d18057b945d2adf80413f"},"schema_version":"1.0","source":{"id":"1009.4618","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.4618","created_at":"2026-05-18T04:36:10Z"},{"alias_kind":"arxiv_version","alias_value":"1009.4618v1","created_at":"2026-05-18T04:36:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.4618","created_at":"2026-05-18T04:36:10Z"},{"alias_kind":"pith_short_12","alias_value":"TCLZXR27RT42","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"TCLZXR27RT423CFR","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"TCLZXR27","created_at":"2026-05-18T12:26:13Z"}],"graph_snapshots":[{"event_id":"sha256:27485ba8127a4eb72beb0668347f9ee65e187a4e2d9360daa8a492843b1b6b87","target":"graph","created_at":"2026-05-18T04:36:10Z","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":"In an attempt to constrain evolutionary models of the asymptotic giant branch (AGB) phase at the limit of low masses and low metallicities, we have examined the luminosity functions and number ratio between AGB and red giant branch (RGB) stars from a sample of resolved galaxies from the ACS Nearby Galaxy Survey Treasury (ANGST). This database provides HST optical photometry together with maps of completeness, photometric errors, and star formation histories for dozens of galaxies within 4 Mpc. We select 12 galaxies characterized by predominantly metal-poor populations as indicated by a very st","authors_text":"Andrew Dolphin, Anil C. Seth, Benjamin F. Williams, Daniel R. Weisz, Evan Skillman, Jason Melbourne, Julianne J. Dalcanton, Karoline M. Gilbert, Knut A.G. Olsen, Leo Girardi, Martha L. Boyer, Paola Marigo, Philip Rosenfield","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-09-23T14:08:24Z","title":"The ACS Nearby Galaxy Survey Treasury IX. Constraining asymptotic giant branch evolution with old metal-poor galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.4618","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":"sha256:7e7b5594265d5d5ec5d09e5e0dd2389544c12a9ff36d1c409be902dce4a85fd1","target":"record","created_at":"2026-05-18T04:36:10Z","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":"5ce1bc8f55e9c7dea9329210b8283ebd4f0c2aee1b2080441d9164897eb8d621","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-09-23T14:08:24Z","title_canon_sha256":"160a9a7709974736c4d57e072c37063733c472b98e4d18057b945d2adf80413f"},"schema_version":"1.0","source":{"id":"1009.4618","kind":"arxiv","version":1}},"canonical_sha256":"98979bc75f8cf9ad88b116f98181806f8c76f03c58463ce76c46f7b3fb5c0740","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"98979bc75f8cf9ad88b116f98181806f8c76f03c58463ce76c46f7b3fb5c0740","first_computed_at":"2026-05-18T04:36:10.234756Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:36:10.234756Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"R1lu0vmAsNMgENb+r16i9QfYE1YBP4r2245knOM8XNz4Lkx82r9zaZOh/pjWCEK1rdWeqgs0PGU599Fuj8nnDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:36:10.235403Z","signed_message":"canonical_sha256_bytes"},"source_id":"1009.4618","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e7b5594265d5d5ec5d09e5e0dd2389544c12a9ff36d1c409be902dce4a85fd1","sha256:27485ba8127a4eb72beb0668347f9ee65e187a4e2d9360daa8a492843b1b6b87"],"state_sha256":"ba9c30935a23254e7b1586fa8bff0e15b60d87a227b7a11cbacee69df58a0d7e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZSkCORa84K5leX/thBRHfcT9SB+p26Wm/dfYFAa4dJT6WWtMqPyrg9uAH+sUctJc8G3EHVwIYF/V8QNZKjdIDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T18:52:44.222323Z","bundle_sha256":"09b94ff0b8ac13d8264481442428492561f8a4964503a83fa16937357ba815c6"}}