{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:6O4Q5ZJYA7CI5I6CCTV6TT6AMP","short_pith_number":"pith:6O4Q5ZJY","canonical_record":{"source":{"id":"1101.5762","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-01-30T11:16:19Z","cross_cats_sorted":[],"title_canon_sha256":"cac73921659727092e2176b68399ddd4b48eaa7e1988c806dbc4d5e6f7ef8063","abstract_canon_sha256":"57085cb905e18b78834f9a73f192cfd8f1104f7e609c65d3bb27123cd1c518ac"},"schema_version":"1.0"},"canonical_sha256":"f3b90ee53807c48ea3c214ebe9cfc063f72c81a86e9e495d7ee166d2984c7cbd","source":{"kind":"arxiv","id":"1101.5762","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.5762","created_at":"2026-05-18T02:03:20Z"},{"alias_kind":"arxiv_version","alias_value":"1101.5762v1","created_at":"2026-05-18T02:03:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.5762","created_at":"2026-05-18T02:03:20Z"},{"alias_kind":"pith_short_12","alias_value":"6O4Q5ZJYA7CI","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"6O4Q5ZJYA7CI5I6C","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"6O4Q5ZJY","created_at":"2026-05-18T12:26:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:6O4Q5ZJYA7CI5I6CCTV6TT6AMP","target":"record","payload":{"canonical_record":{"source":{"id":"1101.5762","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-01-30T11:16:19Z","cross_cats_sorted":[],"title_canon_sha256":"cac73921659727092e2176b68399ddd4b48eaa7e1988c806dbc4d5e6f7ef8063","abstract_canon_sha256":"57085cb905e18b78834f9a73f192cfd8f1104f7e609c65d3bb27123cd1c518ac"},"schema_version":"1.0"},"canonical_sha256":"f3b90ee53807c48ea3c214ebe9cfc063f72c81a86e9e495d7ee166d2984c7cbd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:20.430934Z","signature_b64":"3ga0mM9E0QRyQAj4KhF/OfSz0XswRQA0gqQEi0treCySgKHKlhMejmaTjJNIw9YgaJ4yiph86dh2EuZwaGriDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f3b90ee53807c48ea3c214ebe9cfc063f72c81a86e9e495d7ee166d2984c7cbd","last_reissued_at":"2026-05-18T02:03:20.430095Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:20.430095Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1101.5762","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":"2026-05-18T02:03:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GTc3ty5EQlxyJV3ZlsDwaU0NFhduqEelxv5Y16oze+f6OJj7478lOoqqN1k+lc/X0Evm5vxOG6h/Sl4GrFrODw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T09:40:59.679860Z"},"content_sha256":"204c527a2c122999cde72fbd1ee78e4df9173bc87100df416b61530ff8f1c830","schema_version":"1.0","event_id":"sha256:204c527a2c122999cde72fbd1ee78e4df9173bc87100df416b61530ff8f1c830"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:6O4Q5ZJYA7CI5I6CCTV6TT6AMP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The ACS LCID project. V. The Star Formation History of the Dwarf Galaxy \\objectname[]{LGS-3}: Clues for Cosmic Reionization and Feedback","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Andrew Cole, Andrew Dolphin, Antonio Aparicio, Carme Gallart, Daniel Weisz, Edouard Bernard, Eline Tolstoy, Evan Skillman, Henry Ferguson, Lucio Mayer, Matteo Monelli, Peter Stetson, Santi Cassisi, Sebastian L. Hidalgo","submitted_at":"2011-01-30T11:16:19Z","abstract_excerpt":"We present an analysis of the star formation history (SFH) of the transition-type (dIrr/dSph) Local Group galaxy \\objectname[]{LGS-3} (Pisces) based on deep photometry obtained with the {\\it Advanced Camera for Surveys} onboard the {\\it Hubble Space Telescope}. Our analysis shows that the SFH of \\objectname[]{LGS-3} is dominated by a main episode $\\sim 11.7$ Gyr ago with a duration of $\\sim$ 1.4 Gyr which formed $\\sim 90%$ of the stars. Subsequently, \\objectname[]{LGS-3} continued forming stars until the present, although at a much lower rate. The lack of early chemical enrichment is in contra"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.5762","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":"2026-05-18T02:03:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J96y7R6Ia21/mO4C39yzWjBZSk6sWOJaAmPdZpFcaJauMArnDbcXGSlqa487N/8DFgk+Z3kEfHggfDSLN8E3AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T09:40:59.680595Z"},"content_sha256":"373f206e7a93c2287283c0ad70167cae0cea670c6ac965b8e92ea27282c06071","schema_version":"1.0","event_id":"sha256:373f206e7a93c2287283c0ad70167cae0cea670c6ac965b8e92ea27282c06071"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6O4Q5ZJYA7CI5I6CCTV6TT6AMP/bundle.json","state_url":"https://pith.science/pith/6O4Q5ZJYA7CI5I6CCTV6TT6AMP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6O4Q5ZJYA7CI5I6CCTV6TT6AMP/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":"2026-06-08T09:40:59Z","links":{"resolver":"https://pith.science/pith/6O4Q5ZJYA7CI5I6CCTV6TT6AMP","bundle":"https://pith.science/pith/6O4Q5ZJYA7CI5I6CCTV6TT6AMP/bundle.json","state":"https://pith.science/pith/6O4Q5ZJYA7CI5I6CCTV6TT6AMP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6O4Q5ZJYA7CI5I6CCTV6TT6AMP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:6O4Q5ZJYA7CI5I6CCTV6TT6AMP","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":"57085cb905e18b78834f9a73f192cfd8f1104f7e609c65d3bb27123cd1c518ac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-01-30T11:16:19Z","title_canon_sha256":"cac73921659727092e2176b68399ddd4b48eaa7e1988c806dbc4d5e6f7ef8063"},"schema_version":"1.0","source":{"id":"1101.5762","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.5762","created_at":"2026-05-18T02:03:20Z"},{"alias_kind":"arxiv_version","alias_value":"1101.5762v1","created_at":"2026-05-18T02:03:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.5762","created_at":"2026-05-18T02:03:20Z"},{"alias_kind":"pith_short_12","alias_value":"6O4Q5ZJYA7CI","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"6O4Q5ZJYA7CI5I6C","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"6O4Q5ZJY","created_at":"2026-05-18T12:26:22Z"}],"graph_snapshots":[{"event_id":"sha256:373f206e7a93c2287283c0ad70167cae0cea670c6ac965b8e92ea27282c06071","target":"graph","created_at":"2026-05-18T02:03:20Z","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 an analysis of the star formation history (SFH) of the transition-type (dIrr/dSph) Local Group galaxy \\objectname[]{LGS-3} (Pisces) based on deep photometry obtained with the {\\it Advanced Camera for Surveys} onboard the {\\it Hubble Space Telescope}. Our analysis shows that the SFH of \\objectname[]{LGS-3} is dominated by a main episode $\\sim 11.7$ Gyr ago with a duration of $\\sim$ 1.4 Gyr which formed $\\sim 90%$ of the stars. Subsequently, \\objectname[]{LGS-3} continued forming stars until the present, although at a much lower rate. The lack of early chemical enrichment is in contra","authors_text":"Andrew Cole, Andrew Dolphin, Antonio Aparicio, Carme Gallart, Daniel Weisz, Edouard Bernard, Eline Tolstoy, Evan Skillman, Henry Ferguson, Lucio Mayer, Matteo Monelli, Peter Stetson, Santi Cassisi, Sebastian L. Hidalgo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-01-30T11:16:19Z","title":"The ACS LCID project. V. The Star Formation History of the Dwarf Galaxy \\objectname[]{LGS-3}: Clues for Cosmic Reionization and Feedback"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.5762","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":"sha256:204c527a2c122999cde72fbd1ee78e4df9173bc87100df416b61530ff8f1c830","target":"record","created_at":"2026-05-18T02:03:20Z","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":"57085cb905e18b78834f9a73f192cfd8f1104f7e609c65d3bb27123cd1c518ac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-01-30T11:16:19Z","title_canon_sha256":"cac73921659727092e2176b68399ddd4b48eaa7e1988c806dbc4d5e6f7ef8063"},"schema_version":"1.0","source":{"id":"1101.5762","kind":"arxiv","version":1}},"canonical_sha256":"f3b90ee53807c48ea3c214ebe9cfc063f72c81a86e9e495d7ee166d2984c7cbd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f3b90ee53807c48ea3c214ebe9cfc063f72c81a86e9e495d7ee166d2984c7cbd","first_computed_at":"2026-05-18T02:03:20.430095Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:20.430095Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3ga0mM9E0QRyQAj4KhF/OfSz0XswRQA0gqQEi0treCySgKHKlhMejmaTjJNIw9YgaJ4yiph86dh2EuZwaGriDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:20.430934Z","signed_message":"canonical_sha256_bytes"},"source_id":"1101.5762","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:204c527a2c122999cde72fbd1ee78e4df9173bc87100df416b61530ff8f1c830","sha256:373f206e7a93c2287283c0ad70167cae0cea670c6ac965b8e92ea27282c06071"],"state_sha256":"1a9a7dbcde2b4de5be354b9aa8f5d59769f5409bb633f57c125dab1763ef4b3c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UriphPmzwFMbFDEsU1EQpiPLqS7C5JHM9Mq+Xja4ot32ZvAhUAxi2+ifkFNOtlvRwlYMsY8RLJZMc8g+na/JCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T09:40:59.686353Z","bundle_sha256":"5cf7afafe21462608b9b705183ec955c9d2c40287db2f6f851df446b40ecf421"}}