{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:XIT65SMEMY3OYIFVMS3DIHNLXM","short_pith_number":"pith:XIT65SME","canonical_record":{"source":{"id":"1607.06086","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-07-20T20:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"f96c78e61368f66c60003a00a8b127e250bce55d2d036f2462c1d1451a9a69f6","abstract_canon_sha256":"ac680758146b59994116959d695eba2d68e334d23c48ee0a4da631d46a76cb95"},"schema_version":"1.0"},"canonical_sha256":"ba27eec9846636ec20b564b6341dabbb03cd2d3a68f2bc8f85c4e3320b8f908e","source":{"kind":"arxiv","id":"1607.06086","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.06086","created_at":"2026-05-18T01:10:42Z"},{"alias_kind":"arxiv_version","alias_value":"1607.06086v1","created_at":"2026-05-18T01:10:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.06086","created_at":"2026-05-18T01:10:42Z"},{"alias_kind":"pith_short_12","alias_value":"XIT65SMEMY3O","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XIT65SMEMY3OYIFV","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XIT65SME","created_at":"2026-05-18T12:30:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:XIT65SMEMY3OYIFVMS3DIHNLXM","target":"record","payload":{"canonical_record":{"source":{"id":"1607.06086","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-07-20T20:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"f96c78e61368f66c60003a00a8b127e250bce55d2d036f2462c1d1451a9a69f6","abstract_canon_sha256":"ac680758146b59994116959d695eba2d68e334d23c48ee0a4da631d46a76cb95"},"schema_version":"1.0"},"canonical_sha256":"ba27eec9846636ec20b564b6341dabbb03cd2d3a68f2bc8f85c4e3320b8f908e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:42.432968Z","signature_b64":"nNm4YNASmXDh1SWDUL1ClJRqVF0B2eCjTPTYXfJG01Oir936k0hkSIWauDtz/Zod36pe1vR6+REluCbaplPBBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ba27eec9846636ec20b564b6341dabbb03cd2d3a68f2bc8f85c4e3320b8f908e","last_reissued_at":"2026-05-18T01:10:42.432462Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:42.432462Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.06086","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":"2026-05-18T01:10:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yy8EMSZ5CagXLVJrh55MTeoqTPXA8oX+9ysfR39AVEBKkMHHClPYPSlFPl3wjlnOMelQAY6hTDiKaA2jqgAmCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T05:57:30.370449Z"},"content_sha256":"aa47b4e7684c7b2d44415d36c698149ab5588162c5c9450ff66d418c8d4abd4e","schema_version":"1.0","event_id":"sha256:aa47b4e7684c7b2d44415d36c698149ab5588162c5c9450ff66d418c8d4abd4e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:XIT65SMEMY3OYIFVMS3DIHNLXM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modelling the nebular emission from primeval to present-day star-forming galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Gustavo Bruzual, Julia Gutkin, Stephane Charlot","submitted_at":"2016-07-20T20:00:01Z","abstract_excerpt":"We present a new model of the nebular emission from star-forming galaxies in a wide range of chemical compositions, appropriate to interpret observations of galaxies at all cosmic epochs. The model relies on the combination of state-of-the-art stellar population synthesis and photoionization codes to describe the ensemble of HII regions and the diffuse gas ionized by young stars in a galaxy. A main feature of this model is the self-consistent yet versatile treatment of element abundances and depletion onto dust grains, which allows one to relate the observed nebular emission from a galaxy to b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.06086","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":"2026-05-18T01:10:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6wg0Ks8meaWdD+rxC3mZlMMsH6ns4LvFcKfmcjAkwOt5hflTpflWBNE+1otW9iJ0M5Y4gcBZJ+CyvMcsnDrZDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T05:57:30.370797Z"},"content_sha256":"38c56d198c2e88522fa9ced463f6fc03c69378c1f68223e227f15e3737a455ed","schema_version":"1.0","event_id":"sha256:38c56d198c2e88522fa9ced463f6fc03c69378c1f68223e227f15e3737a455ed"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XIT65SMEMY3OYIFVMS3DIHNLXM/bundle.json","state_url":"https://pith.science/pith/XIT65SMEMY3OYIFVMS3DIHNLXM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XIT65SMEMY3OYIFVMS3DIHNLXM/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":"2026-05-21T05:57:30Z","links":{"resolver":"https://pith.science/pith/XIT65SMEMY3OYIFVMS3DIHNLXM","bundle":"https://pith.science/pith/XIT65SMEMY3OYIFVMS3DIHNLXM/bundle.json","state":"https://pith.science/pith/XIT65SMEMY3OYIFVMS3DIHNLXM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XIT65SMEMY3OYIFVMS3DIHNLXM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:XIT65SMEMY3OYIFVMS3DIHNLXM","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":"ac680758146b59994116959d695eba2d68e334d23c48ee0a4da631d46a76cb95","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-07-20T20:00:01Z","title_canon_sha256":"f96c78e61368f66c60003a00a8b127e250bce55d2d036f2462c1d1451a9a69f6"},"schema_version":"1.0","source":{"id":"1607.06086","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.06086","created_at":"2026-05-18T01:10:42Z"},{"alias_kind":"arxiv_version","alias_value":"1607.06086v1","created_at":"2026-05-18T01:10:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.06086","created_at":"2026-05-18T01:10:42Z"},{"alias_kind":"pith_short_12","alias_value":"XIT65SMEMY3O","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XIT65SMEMY3OYIFV","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XIT65SME","created_at":"2026-05-18T12:30:51Z"}],"graph_snapshots":[{"event_id":"sha256:38c56d198c2e88522fa9ced463f6fc03c69378c1f68223e227f15e3737a455ed","target":"graph","created_at":"2026-05-18T01:10:42Z","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 a new model of the nebular emission from star-forming galaxies in a wide range of chemical compositions, appropriate to interpret observations of galaxies at all cosmic epochs. The model relies on the combination of state-of-the-art stellar population synthesis and photoionization codes to describe the ensemble of HII regions and the diffuse gas ionized by young stars in a galaxy. A main feature of this model is the self-consistent yet versatile treatment of element abundances and depletion onto dust grains, which allows one to relate the observed nebular emission from a galaxy to b","authors_text":"Gustavo Bruzual, Julia Gutkin, Stephane Charlot","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-07-20T20:00:01Z","title":"Modelling the nebular emission from primeval to present-day star-forming galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.06086","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:aa47b4e7684c7b2d44415d36c698149ab5588162c5c9450ff66d418c8d4abd4e","target":"record","created_at":"2026-05-18T01:10:42Z","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":"ac680758146b59994116959d695eba2d68e334d23c48ee0a4da631d46a76cb95","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-07-20T20:00:01Z","title_canon_sha256":"f96c78e61368f66c60003a00a8b127e250bce55d2d036f2462c1d1451a9a69f6"},"schema_version":"1.0","source":{"id":"1607.06086","kind":"arxiv","version":1}},"canonical_sha256":"ba27eec9846636ec20b564b6341dabbb03cd2d3a68f2bc8f85c4e3320b8f908e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ba27eec9846636ec20b564b6341dabbb03cd2d3a68f2bc8f85c4e3320b8f908e","first_computed_at":"2026-05-18T01:10:42.432462Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:10:42.432462Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nNm4YNASmXDh1SWDUL1ClJRqVF0B2eCjTPTYXfJG01Oir936k0hkSIWauDtz/Zod36pe1vR6+REluCbaplPBBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:10:42.432968Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.06086","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aa47b4e7684c7b2d44415d36c698149ab5588162c5c9450ff66d418c8d4abd4e","sha256:38c56d198c2e88522fa9ced463f6fc03c69378c1f68223e227f15e3737a455ed"],"state_sha256":"4d9c49b8915a0a3c6d58bbe376805af3b6b7094508f64fed90be9cb1dc783e40"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xMfwXcYYyDaSTaFshmGOBWKanYM82JNz4fA9jinEhglInjJbe5rLMFyb1YHRUzvFiZHblLiej00aoGnIvcuzBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T05:57:30.372876Z","bundle_sha256":"3292eab5745a8db14c3afcef28edbfa5c56d2d7df0aaad6a6578873055e41eca"}}