{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:UN23HOKI7OLFCGJFZKALW6XCDB","short_pith_number":"pith:UN23HOKI","canonical_record":{"source":{"id":"1106.1177","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-06-06T20:01:28Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"cf77ea7203be644e91852d2bdb95af47d18522cf2493684515975784c519fe16","abstract_canon_sha256":"38b53f0b76c85eaa3d65653df183b639c89710108b8500a1354ae5b356f645f4"},"schema_version":"1.0"},"canonical_sha256":"a375b3b948fb96511925ca80bb7ae2186287347ad3d174ec3d88706aa3497157","source":{"kind":"arxiv","id":"1106.1177","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.1177","created_at":"2026-05-18T02:01:41Z"},{"alias_kind":"arxiv_version","alias_value":"1106.1177v2","created_at":"2026-05-18T02:01:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.1177","created_at":"2026-05-18T02:01:41Z"},{"alias_kind":"pith_short_12","alias_value":"UN23HOKI7OLF","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"UN23HOKI7OLFCGJF","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"UN23HOKI","created_at":"2026-05-18T12:26:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:UN23HOKI7OLFCGJFZKALW6XCDB","target":"record","payload":{"canonical_record":{"source":{"id":"1106.1177","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-06-06T20:01:28Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"cf77ea7203be644e91852d2bdb95af47d18522cf2493684515975784c519fe16","abstract_canon_sha256":"38b53f0b76c85eaa3d65653df183b639c89710108b8500a1354ae5b356f645f4"},"schema_version":"1.0"},"canonical_sha256":"a375b3b948fb96511925ca80bb7ae2186287347ad3d174ec3d88706aa3497157","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:41.568742Z","signature_b64":"z1AMOsgFXas9tMMhAmPql4Mp1PHu3pF1TqpFoGRs9haDjC3iFbyLFshcNcdGr4dHQYRjzdgXZJfMb5ZPFyGKBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a375b3b948fb96511925ca80bb7ae2186287347ad3d174ec3d88706aa3497157","last_reissued_at":"2026-05-18T02:01:41.568201Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:41.568201Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1106.1177","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":"2026-05-18T02:01:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pQIsHsryYKyrU5myxPkfmURkaFfMbp5q9XJZDoRn+7joet21/VgBwFZfDmB5OhrC3Ysmt2w+ulMoCCC/hDTvBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T07:31:13.127990Z"},"content_sha256":"b3a603b612ebf987ca267f260e85cdb545b93faa7b314106462ca556b05815de","schema_version":"1.0","event_id":"sha256:b3a603b612ebf987ca267f260e85cdb545b93faa7b314106462ca556b05815de"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:UN23HOKI7OLFCGJFZKALW6XCDB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The impact of gas inflows on star formation rates and metallicities in barred galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"David R. Patton, Jillian M. Scudder, J. Trevor Mendel, Luc Simard, Preethi Nair, Sara L. Ellison","submitted_at":"2011-06-06T20:01:28Z","abstract_excerpt":"The star formation rates (SFRs) and metallicities of a sample of 294 galaxies with visually classified, strong, large-scale bars are compared to a control sample of unbarred disk galaxies selected from the Sloan Digital Sky Survey Data Release 4. The fibre (inner few kpc) metallicities of barred galaxies are uniformly higher (at a given mass) than the unbarred sample by ~0.06 dex. However, the fibre SFRs of the visually classified barred galaxies are higher by about 60% only in the galaxies with total stellar mass log M > 10. The metal enhancement at log M<10 without an accompanying increase i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.1177","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":""},"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":"2026-05-18T02:01:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vtDoVOr3WQHaN3RcxRToE9NDg0fisFfLmIH4DyTTPUlzolDoiFDPDXEjFLqVXJf8iWqopH3q8n/lbzn50bunAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T07:31:13.128370Z"},"content_sha256":"aba97ad36cc0f0a564f55b0a493b3ef789760609a2df3dfae45695745cda139e","schema_version":"1.0","event_id":"sha256:aba97ad36cc0f0a564f55b0a493b3ef789760609a2df3dfae45695745cda139e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UN23HOKI7OLFCGJFZKALW6XCDB/bundle.json","state_url":"https://pith.science/pith/UN23HOKI7OLFCGJFZKALW6XCDB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UN23HOKI7OLFCGJFZKALW6XCDB/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":"2026-05-31T07:31:13Z","links":{"resolver":"https://pith.science/pith/UN23HOKI7OLFCGJFZKALW6XCDB","bundle":"https://pith.science/pith/UN23HOKI7OLFCGJFZKALW6XCDB/bundle.json","state":"https://pith.science/pith/UN23HOKI7OLFCGJFZKALW6XCDB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UN23HOKI7OLFCGJFZKALW6XCDB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:UN23HOKI7OLFCGJFZKALW6XCDB","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":"38b53f0b76c85eaa3d65653df183b639c89710108b8500a1354ae5b356f645f4","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-06-06T20:01:28Z","title_canon_sha256":"cf77ea7203be644e91852d2bdb95af47d18522cf2493684515975784c519fe16"},"schema_version":"1.0","source":{"id":"1106.1177","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.1177","created_at":"2026-05-18T02:01:41Z"},{"alias_kind":"arxiv_version","alias_value":"1106.1177v2","created_at":"2026-05-18T02:01:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.1177","created_at":"2026-05-18T02:01:41Z"},{"alias_kind":"pith_short_12","alias_value":"UN23HOKI7OLF","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"UN23HOKI7OLFCGJF","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"UN23HOKI","created_at":"2026-05-18T12:26:42Z"}],"graph_snapshots":[{"event_id":"sha256:aba97ad36cc0f0a564f55b0a493b3ef789760609a2df3dfae45695745cda139e","target":"graph","created_at":"2026-05-18T02:01:41Z","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":"The star formation rates (SFRs) and metallicities of a sample of 294 galaxies with visually classified, strong, large-scale bars are compared to a control sample of unbarred disk galaxies selected from the Sloan Digital Sky Survey Data Release 4. The fibre (inner few kpc) metallicities of barred galaxies are uniformly higher (at a given mass) than the unbarred sample by ~0.06 dex. However, the fibre SFRs of the visually classified barred galaxies are higher by about 60% only in the galaxies with total stellar mass log M > 10. The metal enhancement at log M<10 without an accompanying increase i","authors_text":"David R. Patton, Jillian M. Scudder, J. Trevor Mendel, Luc Simard, Preethi Nair, Sara L. Ellison","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-06-06T20:01:28Z","title":"The impact of gas inflows on star formation rates and metallicities in barred galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.1177","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:b3a603b612ebf987ca267f260e85cdb545b93faa7b314106462ca556b05815de","target":"record","created_at":"2026-05-18T02:01:41Z","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":"38b53f0b76c85eaa3d65653df183b639c89710108b8500a1354ae5b356f645f4","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-06-06T20:01:28Z","title_canon_sha256":"cf77ea7203be644e91852d2bdb95af47d18522cf2493684515975784c519fe16"},"schema_version":"1.0","source":{"id":"1106.1177","kind":"arxiv","version":2}},"canonical_sha256":"a375b3b948fb96511925ca80bb7ae2186287347ad3d174ec3d88706aa3497157","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a375b3b948fb96511925ca80bb7ae2186287347ad3d174ec3d88706aa3497157","first_computed_at":"2026-05-18T02:01:41.568201Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:41.568201Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z1AMOsgFXas9tMMhAmPql4Mp1PHu3pF1TqpFoGRs9haDjC3iFbyLFshcNcdGr4dHQYRjzdgXZJfMb5ZPFyGKBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:41.568742Z","signed_message":"canonical_sha256_bytes"},"source_id":"1106.1177","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b3a603b612ebf987ca267f260e85cdb545b93faa7b314106462ca556b05815de","sha256:aba97ad36cc0f0a564f55b0a493b3ef789760609a2df3dfae45695745cda139e"],"state_sha256":"05fddb1b0a60dc3608032509a0b71a9f1b55d6d477e660f06c3d382ca5bf0e56"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wZ137RHuqn7rB9p4yCP8pQdCaRpPfPVt14fGafm5seOfXxqk8552+TIjMDdP3t3VV65apxXJrG7CIiPQmOViCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T07:31:13.130849Z","bundle_sha256":"b7b9173fc82f7bd4e3930faeee7136db4130f522dacac6016f70ec4fc21fcc18"}}