{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:BE7RKBGF2RZ2FP6B4TDUUCEXX2","short_pith_number":"pith:BE7RKBGF","canonical_record":{"source":{"id":"1111.6971","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-29T21:00:02Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"fbfd859afca9936222d09a0cd18969775092f044df5bd646487934efde1b0168","abstract_canon_sha256":"f4a06f1aabe78cf42d04ae58ce28869bcd5b310c5b8cc48198ea050dbf21a87b"},"schema_version":"1.0"},"canonical_sha256":"093f1504c5d473a2bfc1e4c74a0897be9128fd3b241501187bc7d3633df6b57e","source":{"kind":"arxiv","id":"1111.6971","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.6971","created_at":"2026-05-18T04:07:19Z"},{"alias_kind":"arxiv_version","alias_value":"1111.6971v1","created_at":"2026-05-18T04:07:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.6971","created_at":"2026-05-18T04:07:19Z"},{"alias_kind":"pith_short_12","alias_value":"BE7RKBGF2RZ2","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BE7RKBGF2RZ2FP6B","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BE7RKBGF","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:BE7RKBGF2RZ2FP6B4TDUUCEXX2","target":"record","payload":{"canonical_record":{"source":{"id":"1111.6971","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-29T21:00:02Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"fbfd859afca9936222d09a0cd18969775092f044df5bd646487934efde1b0168","abstract_canon_sha256":"f4a06f1aabe78cf42d04ae58ce28869bcd5b310c5b8cc48198ea050dbf21a87b"},"schema_version":"1.0"},"canonical_sha256":"093f1504c5d473a2bfc1e4c74a0897be9128fd3b241501187bc7d3633df6b57e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:07:19.114798Z","signature_b64":"tQHbXbUobWwRvWpWfozEz6/24RaXrvlIUa+SuNrw5enwmrhGtg3nndBRx4xZMjyXjp+95CCSJVvtIs6KYcTUBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"093f1504c5d473a2bfc1e4c74a0897be9128fd3b241501187bc7d3633df6b57e","last_reissued_at":"2026-05-18T04:07:19.114093Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:07:19.114093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1111.6971","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":"2026-05-18T04:07:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j6riFWowFRfzE5S9gNGcdojvUjz47wCAC/BnUEdKfobjKJO23FtoiU4+1ZsFLthU6GVgy4nThX0MewgFPXaxDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:44:18.723156Z"},"content_sha256":"01dca2a3bb53a79d8bf10bed52495b2114a7cc8164561c4e5d75443580e14b6a","schema_version":"1.0","event_id":"sha256:01dca2a3bb53a79d8bf10bed52495b2114a7cc8164561c4e5d75443580e14b6a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:BE7RKBGF2RZ2FP6B4TDUUCEXX2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Galaxy triplets in SDSS-DR7: I. Catalogue","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Ana Laura O'Mill, Carlos Valotto, Diego Garc\\'ia Lambas, Fernanda Duplancic, Laerte Sodr\\'e Jr","submitted_at":"2011-11-29T21:00:02Z","abstract_excerpt":"We present a new catalogue of galaxy triplets derived from the Sloan Digital Sky Survey Data Release 7. The identification of systems was performed considering galaxies brighter than M_r=-20.5 and imposing constraints over the projected distances, radial velocity differences of neighbouring galaxies and isolation. To improve the identification of triplets we employed a data pixelization scheme, which allows to handle large amounts of data as in the SDSS photometric survey. Using spectroscopic and photometric data in the redshift range 0.01<z<0.40 we obtain 5901 triplet candidates. We have used"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.6971","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":"2026-05-18T04:07:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CTmFvmh/RvRKHJtUhEBExEsm5sCrVPj3QSFE+Fb0OesI5CD/+n82uDtKLuNk8+SNP+6WkgjuTq10NyunTtDtCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:44:18.724010Z"},"content_sha256":"8f013f226a8ca130bb665228d6ae1536f6c0eaa1c56437963a2ef0dc422af950","schema_version":"1.0","event_id":"sha256:8f013f226a8ca130bb665228d6ae1536f6c0eaa1c56437963a2ef0dc422af950"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BE7RKBGF2RZ2FP6B4TDUUCEXX2/bundle.json","state_url":"https://pith.science/pith/BE7RKBGF2RZ2FP6B4TDUUCEXX2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BE7RKBGF2RZ2FP6B4TDUUCEXX2/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":"2026-05-31T00:44:18Z","links":{"resolver":"https://pith.science/pith/BE7RKBGF2RZ2FP6B4TDUUCEXX2","bundle":"https://pith.science/pith/BE7RKBGF2RZ2FP6B4TDUUCEXX2/bundle.json","state":"https://pith.science/pith/BE7RKBGF2RZ2FP6B4TDUUCEXX2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BE7RKBGF2RZ2FP6B4TDUUCEXX2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:BE7RKBGF2RZ2FP6B4TDUUCEXX2","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":"f4a06f1aabe78cf42d04ae58ce28869bcd5b310c5b8cc48198ea050dbf21a87b","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-29T21:00:02Z","title_canon_sha256":"fbfd859afca9936222d09a0cd18969775092f044df5bd646487934efde1b0168"},"schema_version":"1.0","source":{"id":"1111.6971","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.6971","created_at":"2026-05-18T04:07:19Z"},{"alias_kind":"arxiv_version","alias_value":"1111.6971v1","created_at":"2026-05-18T04:07:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.6971","created_at":"2026-05-18T04:07:19Z"},{"alias_kind":"pith_short_12","alias_value":"BE7RKBGF2RZ2","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BE7RKBGF2RZ2FP6B","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BE7RKBGF","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:8f013f226a8ca130bb665228d6ae1536f6c0eaa1c56437963a2ef0dc422af950","target":"graph","created_at":"2026-05-18T04:07:19Z","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 catalogue of galaxy triplets derived from the Sloan Digital Sky Survey Data Release 7. The identification of systems was performed considering galaxies brighter than M_r=-20.5 and imposing constraints over the projected distances, radial velocity differences of neighbouring galaxies and isolation. To improve the identification of triplets we employed a data pixelization scheme, which allows to handle large amounts of data as in the SDSS photometric survey. Using spectroscopic and photometric data in the redshift range 0.01<z<0.40 we obtain 5901 triplet candidates. We have used","authors_text":"Ana Laura O'Mill, Carlos Valotto, Diego Garc\\'ia Lambas, Fernanda Duplancic, Laerte Sodr\\'e Jr","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-29T21:00:02Z","title":"Galaxy triplets in SDSS-DR7: I. Catalogue"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.6971","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":"sha256:01dca2a3bb53a79d8bf10bed52495b2114a7cc8164561c4e5d75443580e14b6a","target":"record","created_at":"2026-05-18T04:07:19Z","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":"f4a06f1aabe78cf42d04ae58ce28869bcd5b310c5b8cc48198ea050dbf21a87b","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-29T21:00:02Z","title_canon_sha256":"fbfd859afca9936222d09a0cd18969775092f044df5bd646487934efde1b0168"},"schema_version":"1.0","source":{"id":"1111.6971","kind":"arxiv","version":1}},"canonical_sha256":"093f1504c5d473a2bfc1e4c74a0897be9128fd3b241501187bc7d3633df6b57e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"093f1504c5d473a2bfc1e4c74a0897be9128fd3b241501187bc7d3633df6b57e","first_computed_at":"2026-05-18T04:07:19.114093Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:07:19.114093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tQHbXbUobWwRvWpWfozEz6/24RaXrvlIUa+SuNrw5enwmrhGtg3nndBRx4xZMjyXjp+95CCSJVvtIs6KYcTUBw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:07:19.114798Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.6971","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:01dca2a3bb53a79d8bf10bed52495b2114a7cc8164561c4e5d75443580e14b6a","sha256:8f013f226a8ca130bb665228d6ae1536f6c0eaa1c56437963a2ef0dc422af950"],"state_sha256":"67b431ada8925b2e4ed8e2a6023410c52f0321d1e43f875d5640a6d1b83b1f05"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mLvUQYLw6F3UKMm+/ywlV5sHyttw0Vkuap10IpVgDTu8uPZLAbYXl5tfXWrYjvxOPqPVwhUtfDl3uhlaIIKnDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T00:44:18.728473Z","bundle_sha256":"18435786115d5b6b67176d07cc8f1c54e4a4447b651776d708bddd9e1de69f32"}}