{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:DPBVESNWFRCA3OU4RZVUW7BBZP","short_pith_number":"pith:DPBVESNW","canonical_record":{"source":{"id":"2509.01710","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-09-01T18:44:05Z","cross_cats_sorted":[],"title_canon_sha256":"de33ead59426178d4bd2210a9a02e13051575a422f1a6fb8ffd89ec0f756faac","abstract_canon_sha256":"92e9ec69bf97a0bbc8ab7ae42c356505bffe4dfe7758dd9162a4be01793cb8ce"},"schema_version":"1.0"},"canonical_sha256":"1bc35249b62c440dba9c8e6b4b7c21cbc997cb3dac25f517f51dc3f2926e3777","source":{"kind":"arxiv","id":"2509.01710","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.01710","created_at":"2026-07-05T12:03:06Z"},{"alias_kind":"arxiv_version","alias_value":"2509.01710v1","created_at":"2026-07-05T12:03:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.01710","created_at":"2026-07-05T12:03:06Z"},{"alias_kind":"pith_short_12","alias_value":"DPBVESNWFRCA","created_at":"2026-07-05T12:03:06Z"},{"alias_kind":"pith_short_16","alias_value":"DPBVESNWFRCA3OU4","created_at":"2026-07-05T12:03:06Z"},{"alias_kind":"pith_short_8","alias_value":"DPBVESNW","created_at":"2026-07-05T12:03:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:DPBVESNWFRCA3OU4RZVUW7BBZP","target":"record","payload":{"canonical_record":{"source":{"id":"2509.01710","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-09-01T18:44:05Z","cross_cats_sorted":[],"title_canon_sha256":"de33ead59426178d4bd2210a9a02e13051575a422f1a6fb8ffd89ec0f756faac","abstract_canon_sha256":"92e9ec69bf97a0bbc8ab7ae42c356505bffe4dfe7758dd9162a4be01793cb8ce"},"schema_version":"1.0"},"canonical_sha256":"1bc35249b62c440dba9c8e6b4b7c21cbc997cb3dac25f517f51dc3f2926e3777","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:03:06.536226Z","signature_b64":"TiHDhEnuxUBdOGq8DZojP4lC3QNPIVNrfai2JWysUfxEdAsuCYyRqdYxU0+0/3TT7xy1q4BAL5hcaquIhXRrBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1bc35249b62c440dba9c8e6b4b7c21cbc997cb3dac25f517f51dc3f2926e3777","last_reissued_at":"2026-07-05T12:03:06.535657Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:03:06.535657Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2509.01710","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":"2026-07-05T12:03:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gMuvuYpovoYV9R/w12z87iT6EJyPj421+Yh/UPheP5uLEjZjYZvkQQrhPWu2mCeRyE6ReAsCVgnqIlMg7QqtDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T04:40:32.613407Z"},"content_sha256":"90a3aeda61d99a05ecc7ee4618623d911b34192eeb14c29bba9351b61aaa2282","schema_version":"1.0","event_id":"sha256:90a3aeda61d99a05ecc7ee4618623d911b34192eeb14c29bba9351b61aaa2282"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:DPBVESNWFRCA3OU4RZVUW7BBZP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multiple star-forming episodes of intermediate-redshift galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"B. Epinat, C. Mu\\~noz L\\'opez, Davor Krajnovi\\'c, I. Pessa, J. Pharo, N. F. Bouch\\'e, T. Contini, T. Nanayakkara, Tran Thi Thai, T. S. Gon\\c{c}alves, T. Urrutia","submitted_at":"2025-09-01T18:44:05Z","abstract_excerpt":"We derive and analyse the star formation histories of 393 intermediate-redshift (0.1 $\\leq$ z $\\leq$ 0.9) galaxies with stellar masses between $\\sim$10$^{8}$ - 10$^{12}$ M$_{\\odot}$. We probe a cosmic time of approximately 6 Gyr and a range of environments, from field (low-density systems) to rich groups (high-density systems). We find that the galaxies' stellar mean ages, metallicities, and star formation rates (SFRs) follow similar trends to galaxies as those characterising the nearby Universe. We modelled the derived SFRs, quantifying and characterising the number of star-forming episodes ("},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.01710","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2509.01710/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":"2026-07-05T12:03:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+PtkjWTtOJPVKwcwnB+F7h11nr2hz8/c/L+Sx/Sx9QbjOsWCDrmfS+JEz3sjVFq6JlkujQAdBIgXaqhyaGPnDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T04:40:32.613955Z"},"content_sha256":"4aaee90ecb74f444a6c8c4dd7f0bb7d0abb63ab6a360e4eacb416425acf178fa","schema_version":"1.0","event_id":"sha256:4aaee90ecb74f444a6c8c4dd7f0bb7d0abb63ab6a360e4eacb416425acf178fa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DPBVESNWFRCA3OU4RZVUW7BBZP/bundle.json","state_url":"https://pith.science/pith/DPBVESNWFRCA3OU4RZVUW7BBZP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DPBVESNWFRCA3OU4RZVUW7BBZP/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":"2026-08-06T04:40:32Z","links":{"resolver":"https://pith.science/pith/DPBVESNWFRCA3OU4RZVUW7BBZP","bundle":"https://pith.science/pith/DPBVESNWFRCA3OU4RZVUW7BBZP/bundle.json","state":"https://pith.science/pith/DPBVESNWFRCA3OU4RZVUW7BBZP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DPBVESNWFRCA3OU4RZVUW7BBZP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:DPBVESNWFRCA3OU4RZVUW7BBZP","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":"92e9ec69bf97a0bbc8ab7ae42c356505bffe4dfe7758dd9162a4be01793cb8ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-09-01T18:44:05Z","title_canon_sha256":"de33ead59426178d4bd2210a9a02e13051575a422f1a6fb8ffd89ec0f756faac"},"schema_version":"1.0","source":{"id":"2509.01710","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.01710","created_at":"2026-07-05T12:03:06Z"},{"alias_kind":"arxiv_version","alias_value":"2509.01710v1","created_at":"2026-07-05T12:03:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.01710","created_at":"2026-07-05T12:03:06Z"},{"alias_kind":"pith_short_12","alias_value":"DPBVESNWFRCA","created_at":"2026-07-05T12:03:06Z"},{"alias_kind":"pith_short_16","alias_value":"DPBVESNWFRCA3OU4","created_at":"2026-07-05T12:03:06Z"},{"alias_kind":"pith_short_8","alias_value":"DPBVESNW","created_at":"2026-07-05T12:03:06Z"}],"graph_snapshots":[{"event_id":"sha256:4aaee90ecb74f444a6c8c4dd7f0bb7d0abb63ab6a360e4eacb416425acf178fa","target":"graph","created_at":"2026-07-05T12:03:06Z","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/2509.01710/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We derive and analyse the star formation histories of 393 intermediate-redshift (0.1 $\\leq$ z $\\leq$ 0.9) galaxies with stellar masses between $\\sim$10$^{8}$ - 10$^{12}$ M$_{\\odot}$. We probe a cosmic time of approximately 6 Gyr and a range of environments, from field (low-density systems) to rich groups (high-density systems). We find that the galaxies' stellar mean ages, metallicities, and star formation rates (SFRs) follow similar trends to galaxies as those characterising the nearby Universe. We modelled the derived SFRs, quantifying and characterising the number of star-forming episodes (","authors_text":"B. Epinat, C. Mu\\~noz L\\'opez, Davor Krajnovi\\'c, I. Pessa, J. Pharo, N. F. Bouch\\'e, T. Contini, T. Nanayakkara, Tran Thi Thai, T. S. Gon\\c{c}alves, T. Urrutia","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-09-01T18:44:05Z","title":"Multiple star-forming episodes of intermediate-redshift galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.01710","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":"sha256:90a3aeda61d99a05ecc7ee4618623d911b34192eeb14c29bba9351b61aaa2282","target":"record","created_at":"2026-07-05T12:03:06Z","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":"92e9ec69bf97a0bbc8ab7ae42c356505bffe4dfe7758dd9162a4be01793cb8ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-09-01T18:44:05Z","title_canon_sha256":"de33ead59426178d4bd2210a9a02e13051575a422f1a6fb8ffd89ec0f756faac"},"schema_version":"1.0","source":{"id":"2509.01710","kind":"arxiv","version":1}},"canonical_sha256":"1bc35249b62c440dba9c8e6b4b7c21cbc997cb3dac25f517f51dc3f2926e3777","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1bc35249b62c440dba9c8e6b4b7c21cbc997cb3dac25f517f51dc3f2926e3777","first_computed_at":"2026-07-05T12:03:06.535657Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T12:03:06.535657Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TiHDhEnuxUBdOGq8DZojP4lC3QNPIVNrfai2JWysUfxEdAsuCYyRqdYxU0+0/3TT7xy1q4BAL5hcaquIhXRrBg==","signature_status":"signed_v1","signed_at":"2026-07-05T12:03:06.536226Z","signed_message":"canonical_sha256_bytes"},"source_id":"2509.01710","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:90a3aeda61d99a05ecc7ee4618623d911b34192eeb14c29bba9351b61aaa2282","sha256:4aaee90ecb74f444a6c8c4dd7f0bb7d0abb63ab6a360e4eacb416425acf178fa"],"state_sha256":"d2ff68f49deda8bcea1265ceddde6eb6c04f3bddbd827bf19145122ee709af2f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Yv3qtr7V7E3Ad3yMU1RHLaRXXVE+TVErwf7I9SnCQ+SNjVCHQn3IEHFr4LyKjKl6+VlG9FykiFRYKVmJ04znBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T04:40:32.618481Z","bundle_sha256":"9bedd48a9d73d5ba6da06756e8e5b54575f8571b5758966e1aa4a4c986677f3b"}}