{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:SPGUDB272SEHOYV4DSCNCRXDZJ","short_pith_number":"pith:SPGUDB27","canonical_record":{"source":{"id":"2106.06833","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-06-12T18:55:01Z","cross_cats_sorted":[],"title_canon_sha256":"a3115b7fc81b1b4387ad91d064b8bb779c5515821a8e031ded32a061c3be70dd","abstract_canon_sha256":"b0b154c70317a859b85f19978b76a9400e5db6ef071ace9a86bee718e02f433f"},"schema_version":"1.0"},"canonical_sha256":"93cd41875fd4887762bc1c84d146e3ca63c6e59225cbe3214c826af2e8dedea3","source":{"kind":"arxiv","id":"2106.06833","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.06833","created_at":"2026-07-05T03:08:32Z"},{"alias_kind":"arxiv_version","alias_value":"2106.06833v2","created_at":"2026-07-05T03:08:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.06833","created_at":"2026-07-05T03:08:32Z"},{"alias_kind":"pith_short_12","alias_value":"SPGUDB272SEH","created_at":"2026-07-05T03:08:32Z"},{"alias_kind":"pith_short_16","alias_value":"SPGUDB272SEHOYV4","created_at":"2026-07-05T03:08:32Z"},{"alias_kind":"pith_short_8","alias_value":"SPGUDB27","created_at":"2026-07-05T03:08:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:SPGUDB272SEHOYV4DSCNCRXDZJ","target":"record","payload":{"canonical_record":{"source":{"id":"2106.06833","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-06-12T18:55:01Z","cross_cats_sorted":[],"title_canon_sha256":"a3115b7fc81b1b4387ad91d064b8bb779c5515821a8e031ded32a061c3be70dd","abstract_canon_sha256":"b0b154c70317a859b85f19978b76a9400e5db6ef071ace9a86bee718e02f433f"},"schema_version":"1.0"},"canonical_sha256":"93cd41875fd4887762bc1c84d146e3ca63c6e59225cbe3214c826af2e8dedea3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:08:32.232118Z","signature_b64":"kL7MbSsAEosuYQnm2qWXoPFI861vPsxdkLFoNU3AqA6TiubG06R8LIe2/J6UG3obUcoy0Ca/0xisxGWUjOAKBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"93cd41875fd4887762bc1c84d146e3ca63c6e59225cbe3214c826af2e8dedea3","last_reissued_at":"2026-07-05T03:08:32.231730Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:08:32.231730Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2106.06833","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:08:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uaboftH6AuUsH+HXjLrwyDGfG/+8/yMnRAm4tMAYOgBu4YnjU/MPTpEUxpNxWtl+/RMa68H4Dx47/E+weUIQDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-27T03:15:12.221332Z"},"content_sha256":"7fac6dfdd7c9d65ac0292fc2fa350b3edb8881c8d815cc8062c4cbfeb442e5d9","schema_version":"1.0","event_id":"sha256:7fac6dfdd7c9d65ac0292fc2fa350b3edb8881c8d815cc8062c4cbfeb442e5d9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:SPGUDB272SEHOYV4DSCNCRXDZJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"[$\\alpha$/Fe] traced by H ii regions from the CALIFA survey: The connection between morphology and chemical abundance patterns","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Camps-Fari\\~na, C. Espinosa-Ponce, C. J. Walcher, C. Morisset, J. K. Barrera-Ballesteros, L. Carigi, L. Galbany, R. Garc\\'ia-Benito, S. F. S\\'anchez","submitted_at":"2021-06-12T18:55:01Z","abstract_excerpt":"Differential enrichment between $\\alpha$- and Fe-peak elements is known to be strongly connected with the shape of the star formation history (SFH), the star formation efficiency (SFE), the inflow and outflow of material, and even the shape of the Initial Mass Function (IMF). However, beyond the Local Group detailed explorations are mostly limited to early-type galaxies due to the lack of a good proxy for [$\\alpha$/Fe] in late-type ones, limiting our understanding of the chemical enrichment process. We intent to extend the explorations of [$\\alpha$/Fe] to late-type galaxies, in order to unders"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.06833","kind":"arxiv","version":2},"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/2106.06833/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":"2026-07-05T03:08:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M75XD85PGgr6CgHs8KLXpijcRPZaHHa5jhv4Zu7PI8U+hO5j7TKyIsDSiqehtbQCKtUIhSYM2CSl5ZjGx60hBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-27T03:15:12.221720Z"},"content_sha256":"e53271231690047f92e47f2c609ae6fe3b8275863d8cd0ff74165602a446398f","schema_version":"1.0","event_id":"sha256:e53271231690047f92e47f2c609ae6fe3b8275863d8cd0ff74165602a446398f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SPGUDB272SEHOYV4DSCNCRXDZJ/bundle.json","state_url":"https://pith.science/pith/SPGUDB272SEHOYV4DSCNCRXDZJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SPGUDB272SEHOYV4DSCNCRXDZJ/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":"2026-07-27T03:15:12Z","links":{"resolver":"https://pith.science/pith/SPGUDB272SEHOYV4DSCNCRXDZJ","bundle":"https://pith.science/pith/SPGUDB272SEHOYV4DSCNCRXDZJ/bundle.json","state":"https://pith.science/pith/SPGUDB272SEHOYV4DSCNCRXDZJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SPGUDB272SEHOYV4DSCNCRXDZJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:SPGUDB272SEHOYV4DSCNCRXDZJ","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":"b0b154c70317a859b85f19978b76a9400e5db6ef071ace9a86bee718e02f433f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-06-12T18:55:01Z","title_canon_sha256":"a3115b7fc81b1b4387ad91d064b8bb779c5515821a8e031ded32a061c3be70dd"},"schema_version":"1.0","source":{"id":"2106.06833","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.06833","created_at":"2026-07-05T03:08:32Z"},{"alias_kind":"arxiv_version","alias_value":"2106.06833v2","created_at":"2026-07-05T03:08:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.06833","created_at":"2026-07-05T03:08:32Z"},{"alias_kind":"pith_short_12","alias_value":"SPGUDB272SEH","created_at":"2026-07-05T03:08:32Z"},{"alias_kind":"pith_short_16","alias_value":"SPGUDB272SEHOYV4","created_at":"2026-07-05T03:08:32Z"},{"alias_kind":"pith_short_8","alias_value":"SPGUDB27","created_at":"2026-07-05T03:08:32Z"}],"graph_snapshots":[{"event_id":"sha256:e53271231690047f92e47f2c609ae6fe3b8275863d8cd0ff74165602a446398f","target":"graph","created_at":"2026-07-05T03:08:32Z","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/2106.06833/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Differential enrichment between $\\alpha$- and Fe-peak elements is known to be strongly connected with the shape of the star formation history (SFH), the star formation efficiency (SFE), the inflow and outflow of material, and even the shape of the Initial Mass Function (IMF). However, beyond the Local Group detailed explorations are mostly limited to early-type galaxies due to the lack of a good proxy for [$\\alpha$/Fe] in late-type ones, limiting our understanding of the chemical enrichment process. We intent to extend the explorations of [$\\alpha$/Fe] to late-type galaxies, in order to unders","authors_text":"A. Camps-Fari\\~na, C. Espinosa-Ponce, C. J. Walcher, C. Morisset, J. K. Barrera-Ballesteros, L. Carigi, L. Galbany, R. Garc\\'ia-Benito, S. F. S\\'anchez","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-06-12T18:55:01Z","title":"[$\\alpha$/Fe] traced by H ii regions from the CALIFA survey: The connection between morphology and chemical abundance patterns"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.06833","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":"sha256:7fac6dfdd7c9d65ac0292fc2fa350b3edb8881c8d815cc8062c4cbfeb442e5d9","target":"record","created_at":"2026-07-05T03:08:32Z","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":"b0b154c70317a859b85f19978b76a9400e5db6ef071ace9a86bee718e02f433f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-06-12T18:55:01Z","title_canon_sha256":"a3115b7fc81b1b4387ad91d064b8bb779c5515821a8e031ded32a061c3be70dd"},"schema_version":"1.0","source":{"id":"2106.06833","kind":"arxiv","version":2}},"canonical_sha256":"93cd41875fd4887762bc1c84d146e3ca63c6e59225cbe3214c826af2e8dedea3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"93cd41875fd4887762bc1c84d146e3ca63c6e59225cbe3214c826af2e8dedea3","first_computed_at":"2026-07-05T03:08:32.231730Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:08:32.231730Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kL7MbSsAEosuYQnm2qWXoPFI861vPsxdkLFoNU3AqA6TiubG06R8LIe2/J6UG3obUcoy0Ca/0xisxGWUjOAKBg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:08:32.232118Z","signed_message":"canonical_sha256_bytes"},"source_id":"2106.06833","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7fac6dfdd7c9d65ac0292fc2fa350b3edb8881c8d815cc8062c4cbfeb442e5d9","sha256:e53271231690047f92e47f2c609ae6fe3b8275863d8cd0ff74165602a446398f"],"state_sha256":"13de77e9640b356d18c7182be04e9274d89cf0223e9318ab3b102a0d98ee29f8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GiNhQOWh4srmJZgRm6aEvNBKwEWK4MDjyqwR4nevACgJkm+FkEkECzV65MwmUxf6Fz3xBQA0FAZTarakeuJqBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-27T03:15:12.223926Z","bundle_sha256":"17a866e599964f8a8c54d7d5701274aecbb108c0e05b914030103feea22ce1b7"}}