{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:TX5CUBCDG52IKTE6DRQ44EOUNM","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":"2a675a5e35af453cd2f4c29ce127ee16944a03ee1b53cccf1d29227c065a2fcc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-02-02T03:01:55Z","title_canon_sha256":"d2e5321759edc68493d6030ae84f5eb2267b3d255c45c96edc39708b7a159ece"},"schema_version":"1.0","source":{"id":"1002.0386","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1002.0386","created_at":"2026-05-18T02:09:21Z"},{"alias_kind":"arxiv_version","alias_value":"1002.0386v1","created_at":"2026-05-18T02:09:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1002.0386","created_at":"2026-05-18T02:09:21Z"},{"alias_kind":"pith_short_12","alias_value":"TX5CUBCDG52I","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"TX5CUBCDG52IKTE6","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"TX5CUBCD","created_at":"2026-05-18T12:26:15Z"}],"graph_snapshots":[{"event_id":"sha256:5786f554b097a666809816c8f9578fc5668b21f6ffb561268966c132d5fd5dc6","target":"graph","created_at":"2026-05-18T02:09:21Z","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 measure the strength, frequency, and timescale of tidally triggered star formation at redshift z=0.08-0.38 in a spectroscopically complete sample of galaxy pairs drawn from the magnitude-limited redshift survey of 9,825 Smithsonian Hectospec Lensing Survey (SHELS) galaxies with R<20.3. To examine the evidence for tidal triggering, we identify a volume-limited sample of major (|\\Delta M_R|<1.75, corresponding to mass ratio >1/5) pair galaxies with $M_R < -20.8 in the redshift range z=0.08-0.31. The size and completeness of the spectroscopic survey allows us to focus on regions of low local d","authors_text":"Daniel G. Fabricant, Deborah Freedman Woods, Eduard Westra, Ian Dell'Antonio, Margaret J. Geller, Michael J. Kurtz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-02-02T03:01:55Z","title":"Triggered Star Formation in Galaxy Pairs at z=0.08-0.38"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1002.0386","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":"sha256:7b9d67b58b2e33956132c9db4c2b7848c7e4cb3831faf1469d315d96f22c7c64","target":"record","created_at":"2026-05-18T02:09:21Z","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":"2a675a5e35af453cd2f4c29ce127ee16944a03ee1b53cccf1d29227c065a2fcc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-02-02T03:01:55Z","title_canon_sha256":"d2e5321759edc68493d6030ae84f5eb2267b3d255c45c96edc39708b7a159ece"},"schema_version":"1.0","source":{"id":"1002.0386","kind":"arxiv","version":1}},"canonical_sha256":"9dfa2a04433774854c9e1c61ce11d46b3c06ee7513517b6620eec9ad7255d0c4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9dfa2a04433774854c9e1c61ce11d46b3c06ee7513517b6620eec9ad7255d0c4","first_computed_at":"2026-05-18T02:09:21.232740Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:09:21.232740Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b/u9pnEL8bzDyvJVwQt6sXUjYC8uD5i6ANkgaScaM2qjgU9IWhZKZUkz7Sn3XyncTCFKYGYk/cZ9299NdZ2kCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:09:21.233512Z","signed_message":"canonical_sha256_bytes"},"source_id":"1002.0386","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7b9d67b58b2e33956132c9db4c2b7848c7e4cb3831faf1469d315d96f22c7c64","sha256:5786f554b097a666809816c8f9578fc5668b21f6ffb561268966c132d5fd5dc6"],"state_sha256":"79036c7bd05920ab851a88b2d66900c62f512143256fe7caa40297debfacc163"}