{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:JPFRHKWTGZZHUPQM3ITJOAC6EI","short_pith_number":"pith:JPFRHKWT","canonical_record":{"source":{"id":"1710.05695","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-16T13:56:54Z","cross_cats_sorted":[],"title_canon_sha256":"216fc55b619a17073792c41b777b8534b38b044f6ffb7fdd1e6ee7df7362e653","abstract_canon_sha256":"d3fd946d0fbd62d26f5d98e8b00a05550c9b9b56082cda3fff40d78fd999041f"},"schema_version":"1.0"},"canonical_sha256":"4bcb13aad336727a3e0cda2697005e2222398da35c4c1fd4710fb9a894666d75","source":{"kind":"arxiv","id":"1710.05695","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.05695","created_at":"2026-05-18T00:29:10Z"},{"alias_kind":"arxiv_version","alias_value":"1710.05695v2","created_at":"2026-05-18T00:29:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.05695","created_at":"2026-05-18T00:29:10Z"},{"alias_kind":"pith_short_12","alias_value":"JPFRHKWTGZZH","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"JPFRHKWTGZZHUPQM","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"JPFRHKWT","created_at":"2026-05-18T12:31:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:JPFRHKWTGZZHUPQM3ITJOAC6EI","target":"record","payload":{"canonical_record":{"source":{"id":"1710.05695","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-16T13:56:54Z","cross_cats_sorted":[],"title_canon_sha256":"216fc55b619a17073792c41b777b8534b38b044f6ffb7fdd1e6ee7df7362e653","abstract_canon_sha256":"d3fd946d0fbd62d26f5d98e8b00a05550c9b9b56082cda3fff40d78fd999041f"},"schema_version":"1.0"},"canonical_sha256":"4bcb13aad336727a3e0cda2697005e2222398da35c4c1fd4710fb9a894666d75","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:29:10.251895Z","signature_b64":"HwmrkKMfkFEacFLhjHs40sw7K+v7iYSH7DIAj3yOrbA1r8jeiZ/A47j6Tn/0UyIis+Kj2Vti1IeaTlfXhOXOBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4bcb13aad336727a3e0cda2697005e2222398da35c4c1fd4710fb9a894666d75","last_reissued_at":"2026-05-18T00:29:10.251344Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:29:10.251344Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.05695","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":"2026-05-18T00:29:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dNz+cZMso6ASrH54Kdy2Xyg4JeF6sugJbgS5IZd6Q23TeOgGCD4lbjaImzdMNKXB4YGLzD2y20GXWRNp7fx2Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T14:23:54.171828Z"},"content_sha256":"a1d5f459f27a10af0c0c5b0ea96d41fc6bf3a8b26166d31f5ca3788979d777c7","schema_version":"1.0","event_id":"sha256:a1d5f459f27a10af0c0c5b0ea96d41fc6bf3a8b26166d31f5ca3788979d777c7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:JPFRHKWTGZZHUPQM3ITJOAC6EI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Discovery of massive star formation quenching by nonthermal effects in the center of NGC 1097","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"F. S. Tabatabaei, J. A. Fernandez-Ontiveros, M. A. Prieto, P. Minguez","submitted_at":"2017-10-16T13:56:54Z","abstract_excerpt":"Observations show that massive star formation quenches first at centers of galaxies. To understand quenching mechanisms, we investigate the thermal and nonthermal energy balance in the central kpc of NGC1097- a prototypical galaxy undergoing quenching- and present a systematic study of the nuclear star formation efficiency and its dependencies. This region is dominated by the nonthermal pressure from the magnetic field, cosmic rays, and turbulence. A comparison of the mass-to-magnetic flux ratio of the molecular clouds shows that most of them are magnetically critical or supported against grav"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.05695","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":"2026-05-18T00:29:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2PgbF9o2Tiyer1HLmh2qiseHYBwAC8JbGDK07jBQyOTbSewuSBE7HIPfCLRpvxqVo27IG0tM8UL7HK9W8kBaCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T14:23:54.172172Z"},"content_sha256":"b395a248553dd7fb0f56aa1cee99438305547ee97b956dd37d2fe1c235c1c919","schema_version":"1.0","event_id":"sha256:b395a248553dd7fb0f56aa1cee99438305547ee97b956dd37d2fe1c235c1c919"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JPFRHKWTGZZHUPQM3ITJOAC6EI/bundle.json","state_url":"https://pith.science/pith/JPFRHKWTGZZHUPQM3ITJOAC6EI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JPFRHKWTGZZHUPQM3ITJOAC6EI/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":"2026-06-09T14:23:54Z","links":{"resolver":"https://pith.science/pith/JPFRHKWTGZZHUPQM3ITJOAC6EI","bundle":"https://pith.science/pith/JPFRHKWTGZZHUPQM3ITJOAC6EI/bundle.json","state":"https://pith.science/pith/JPFRHKWTGZZHUPQM3ITJOAC6EI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JPFRHKWTGZZHUPQM3ITJOAC6EI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:JPFRHKWTGZZHUPQM3ITJOAC6EI","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":"d3fd946d0fbd62d26f5d98e8b00a05550c9b9b56082cda3fff40d78fd999041f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-16T13:56:54Z","title_canon_sha256":"216fc55b619a17073792c41b777b8534b38b044f6ffb7fdd1e6ee7df7362e653"},"schema_version":"1.0","source":{"id":"1710.05695","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.05695","created_at":"2026-05-18T00:29:10Z"},{"alias_kind":"arxiv_version","alias_value":"1710.05695v2","created_at":"2026-05-18T00:29:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.05695","created_at":"2026-05-18T00:29:10Z"},{"alias_kind":"pith_short_12","alias_value":"JPFRHKWTGZZH","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"JPFRHKWTGZZHUPQM","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"JPFRHKWT","created_at":"2026-05-18T12:31:24Z"}],"graph_snapshots":[{"event_id":"sha256:b395a248553dd7fb0f56aa1cee99438305547ee97b956dd37d2fe1c235c1c919","target":"graph","created_at":"2026-05-18T00:29:10Z","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":"Observations show that massive star formation quenches first at centers of galaxies. To understand quenching mechanisms, we investigate the thermal and nonthermal energy balance in the central kpc of NGC1097- a prototypical galaxy undergoing quenching- and present a systematic study of the nuclear star formation efficiency and its dependencies. This region is dominated by the nonthermal pressure from the magnetic field, cosmic rays, and turbulence. A comparison of the mass-to-magnetic flux ratio of the molecular clouds shows that most of them are magnetically critical or supported against grav","authors_text":"F. S. Tabatabaei, J. A. Fernandez-Ontiveros, M. A. Prieto, P. Minguez","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-16T13:56:54Z","title":"Discovery of massive star formation quenching by nonthermal effects in the center of NGC 1097"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.05695","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:a1d5f459f27a10af0c0c5b0ea96d41fc6bf3a8b26166d31f5ca3788979d777c7","target":"record","created_at":"2026-05-18T00:29:10Z","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":"d3fd946d0fbd62d26f5d98e8b00a05550c9b9b56082cda3fff40d78fd999041f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-16T13:56:54Z","title_canon_sha256":"216fc55b619a17073792c41b777b8534b38b044f6ffb7fdd1e6ee7df7362e653"},"schema_version":"1.0","source":{"id":"1710.05695","kind":"arxiv","version":2}},"canonical_sha256":"4bcb13aad336727a3e0cda2697005e2222398da35c4c1fd4710fb9a894666d75","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4bcb13aad336727a3e0cda2697005e2222398da35c4c1fd4710fb9a894666d75","first_computed_at":"2026-05-18T00:29:10.251344Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:29:10.251344Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HwmrkKMfkFEacFLhjHs40sw7K+v7iYSH7DIAj3yOrbA1r8jeiZ/A47j6Tn/0UyIis+Kj2Vti1IeaTlfXhOXOBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:29:10.251895Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.05695","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a1d5f459f27a10af0c0c5b0ea96d41fc6bf3a8b26166d31f5ca3788979d777c7","sha256:b395a248553dd7fb0f56aa1cee99438305547ee97b956dd37d2fe1c235c1c919"],"state_sha256":"eb05783e1497970071e89cd236e020fa8c49fa88c61108d51a869e5cf5ae6203"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8aKlLwIjBhC0XKA87EKEU+tgx/IjLnG6zTsGjdF2eLM0Nv8/jc4hpoEuqB8QRmT7XPKvUu9mQTyWYVjs0l10Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T14:23:54.174276Z","bundle_sha256":"cd8c20c826fedddae39180192a08ee4dd3f285fe247771d24764989b8226ce8d"}}