{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:TURXGGFIE3VHABJQ2UFVOAUDNR","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":"7ecd5de3d270c2c918d692d0731e8629a5a094fd9efb0ebf116e866146301cb8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-01T20:00:09Z","title_canon_sha256":"39ca025ced4b465ee1bf085b40bc1e8685ced548afa89c3961032d2fe771ca13"},"schema_version":"1.0","source":{"id":"1210.0543","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.0543","created_at":"2026-05-18T01:54:11Z"},{"alias_kind":"arxiv_version","alias_value":"1210.0543v2","created_at":"2026-05-18T01:54:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.0543","created_at":"2026-05-18T01:54:11Z"},{"alias_kind":"pith_short_12","alias_value":"TURXGGFIE3VH","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TURXGGFIE3VHABJQ","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TURXGGFI","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:f537c5bcff57f5e9d0835ccd4175071b64210b578ed0ca0436383916b689a632","target":"graph","created_at":"2026-05-18T01:54:11Z","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":"Popular cosmological scenarios predict that galaxies form hierarchically from the merger of many progenitors, each with their own unique star formation history (SFH). We use a sophisticated approach to constrain the SFHs of 4517 blue (presumably star-forming) galaxies with spectroscopic redshifts in the range 0.2 < z < 1.4 from the All-Wavelength Extended Groth Strip International Survey (AEGIS). This consists in the Bayesian analysis of the observed galaxy spectral energy distributions with a comprehensive library of synthetic spectra assembled using realistic, hierarchical star formation and","authors_text":"Benjamin Weiner, Camilla Pacifici, Jonathan P. Gardner, Stephane Charlot, Susan A. Kassin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-01T20:00:09Z","title":"The rise and fall of the star formation histories of blue galaxies at redshifts 0.2<z<1.4"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.0543","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":"sha256:89076482df383e2796adeea57dbae6fdf88775e75325308b5e4a6c0b8e13ec6b","target":"record","created_at":"2026-05-18T01:54:11Z","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":"7ecd5de3d270c2c918d692d0731e8629a5a094fd9efb0ebf116e866146301cb8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-01T20:00:09Z","title_canon_sha256":"39ca025ced4b465ee1bf085b40bc1e8685ced548afa89c3961032d2fe771ca13"},"schema_version":"1.0","source":{"id":"1210.0543","kind":"arxiv","version":2}},"canonical_sha256":"9d237318a826ea700530d50b5702836c4b61c0f1eb454ce11316dbf6ab5738ee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9d237318a826ea700530d50b5702836c4b61c0f1eb454ce11316dbf6ab5738ee","first_computed_at":"2026-05-18T01:54:11.840327Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:54:11.840327Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rlOwBU2yCDvIID6qL9HegYYEs8+vbUV2WW4ATbICIe5neHZqViCDL9kTjCgdBTsk0hBnyGJtF+LQv3/5vdlABA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:54:11.840792Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.0543","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:89076482df383e2796adeea57dbae6fdf88775e75325308b5e4a6c0b8e13ec6b","sha256:f537c5bcff57f5e9d0835ccd4175071b64210b578ed0ca0436383916b689a632"],"state_sha256":"bf459891ab57870eef883d0cbc74af0c3e0df9daf6db9c5c96a8e7bba7638127"}