{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:456G2MIJ7QMQ22ZIPQ27PVDODB","short_pith_number":"pith:456G2MIJ","canonical_record":{"source":{"id":"1611.06464","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-11-20T03:12:05Z","cross_cats_sorted":[],"title_canon_sha256":"6920061fc4050fd33b169fd9cb246ec01f1baf40f60d1f3b0c49f243f7649138","abstract_canon_sha256":"ee1bccc143de0d97f69ccca10b18a102243eebc18be56670d38e9c756346fde2"},"schema_version":"1.0"},"canonical_sha256":"e77c6d3109fc190d6b287c35f7d46e185676c10bb1bbdf837a69cfdca8c8112e","source":{"kind":"arxiv","id":"1611.06464","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.06464","created_at":"2026-05-18T00:53:29Z"},{"alias_kind":"arxiv_version","alias_value":"1611.06464v1","created_at":"2026-05-18T00:53:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.06464","created_at":"2026-05-18T00:53:29Z"},{"alias_kind":"pith_short_12","alias_value":"456G2MIJ7QMQ","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"456G2MIJ7QMQ22ZI","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"456G2MIJ","created_at":"2026-05-18T12:29:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:456G2MIJ7QMQ22ZIPQ27PVDODB","target":"record","payload":{"canonical_record":{"source":{"id":"1611.06464","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-11-20T03:12:05Z","cross_cats_sorted":[],"title_canon_sha256":"6920061fc4050fd33b169fd9cb246ec01f1baf40f60d1f3b0c49f243f7649138","abstract_canon_sha256":"ee1bccc143de0d97f69ccca10b18a102243eebc18be56670d38e9c756346fde2"},"schema_version":"1.0"},"canonical_sha256":"e77c6d3109fc190d6b287c35f7d46e185676c10bb1bbdf837a69cfdca8c8112e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:53:29.542756Z","signature_b64":"cixGFsZdf63ocFTh3eKUsxbhB4vgGo0xYzar4ZVdff9A1eDlLG4l5i0YdWQ+rrrvSxCqChOdy0ubGi8LoUkqBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e77c6d3109fc190d6b287c35f7d46e185676c10bb1bbdf837a69cfdca8c8112e","last_reissued_at":"2026-05-18T00:53:29.542392Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:53:29.542392Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1611.06464","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":"2026-05-18T00:53:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RHWbVMs9Gvd+UbVlNiZn/ps5qeqlywBR7BIyGNsTN/co1+wveoklzPtcodyo6gV5HKEsKSaPre1Y7qWyCdarAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T02:36:08.508631Z"},"content_sha256":"e07126b0d803f43989a335285d5c68ec8399b6593545a74401c008a80cdf17dc","schema_version":"1.0","event_id":"sha256:e07126b0d803f43989a335285d5c68ec8399b6593545a74401c008a80cdf17dc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:456G2MIJ7QMQ22ZIPQ27PVDODB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Morphology-based query for galaxy image databases","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Lior Shamir","submitted_at":"2016-11-20T03:12:05Z","abstract_excerpt":"Galaxies of rare morphology are of paramount scientific interest, as they carry important information about the past, present, and future universe. Once a rare galaxy is identified, studying it more effectively requires a set of galaxies of similar morphology, allowing generalization and statistical analysis that cannot be done when $N=1$. Databases generated by digital sky surveys can contain a very large number of galaxy images, and therefore once a rare galaxy of interest is identified it is possible that more instances of the same morphology are also present in the database. However, when "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.06464","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":"2026-05-18T00:53:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4HqR80Kx16OJho/G8BHRwq7LBYV3LfTbpJ7fp+FHkWLPmREkKMpuleDlRUkP9S6MCQOPURpYh8V+vrAjh3dZBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T02:36:08.509202Z"},"content_sha256":"960b30da2d5bfda343c2c385d668a602fbda333fec91c5eff374853a39e85d88","schema_version":"1.0","event_id":"sha256:960b30da2d5bfda343c2c385d668a602fbda333fec91c5eff374853a39e85d88"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/456G2MIJ7QMQ22ZIPQ27PVDODB/bundle.json","state_url":"https://pith.science/pith/456G2MIJ7QMQ22ZIPQ27PVDODB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/456G2MIJ7QMQ22ZIPQ27PVDODB/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":"2026-06-07T02:36:08Z","links":{"resolver":"https://pith.science/pith/456G2MIJ7QMQ22ZIPQ27PVDODB","bundle":"https://pith.science/pith/456G2MIJ7QMQ22ZIPQ27PVDODB/bundle.json","state":"https://pith.science/pith/456G2MIJ7QMQ22ZIPQ27PVDODB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/456G2MIJ7QMQ22ZIPQ27PVDODB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:456G2MIJ7QMQ22ZIPQ27PVDODB","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":"ee1bccc143de0d97f69ccca10b18a102243eebc18be56670d38e9c756346fde2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-11-20T03:12:05Z","title_canon_sha256":"6920061fc4050fd33b169fd9cb246ec01f1baf40f60d1f3b0c49f243f7649138"},"schema_version":"1.0","source":{"id":"1611.06464","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.06464","created_at":"2026-05-18T00:53:29Z"},{"alias_kind":"arxiv_version","alias_value":"1611.06464v1","created_at":"2026-05-18T00:53:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.06464","created_at":"2026-05-18T00:53:29Z"},{"alias_kind":"pith_short_12","alias_value":"456G2MIJ7QMQ","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"456G2MIJ7QMQ22ZI","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"456G2MIJ","created_at":"2026-05-18T12:29:58Z"}],"graph_snapshots":[{"event_id":"sha256:960b30da2d5bfda343c2c385d668a602fbda333fec91c5eff374853a39e85d88","target":"graph","created_at":"2026-05-18T00:53:29Z","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":"Galaxies of rare morphology are of paramount scientific interest, as they carry important information about the past, present, and future universe. Once a rare galaxy is identified, studying it more effectively requires a set of galaxies of similar morphology, allowing generalization and statistical analysis that cannot be done when $N=1$. Databases generated by digital sky surveys can contain a very large number of galaxy images, and therefore once a rare galaxy of interest is identified it is possible that more instances of the same morphology are also present in the database. However, when ","authors_text":"Lior Shamir","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-11-20T03:12:05Z","title":"Morphology-based query for galaxy image databases"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.06464","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:e07126b0d803f43989a335285d5c68ec8399b6593545a74401c008a80cdf17dc","target":"record","created_at":"2026-05-18T00:53:29Z","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":"ee1bccc143de0d97f69ccca10b18a102243eebc18be56670d38e9c756346fde2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-11-20T03:12:05Z","title_canon_sha256":"6920061fc4050fd33b169fd9cb246ec01f1baf40f60d1f3b0c49f243f7649138"},"schema_version":"1.0","source":{"id":"1611.06464","kind":"arxiv","version":1}},"canonical_sha256":"e77c6d3109fc190d6b287c35f7d46e185676c10bb1bbdf837a69cfdca8c8112e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e77c6d3109fc190d6b287c35f7d46e185676c10bb1bbdf837a69cfdca8c8112e","first_computed_at":"2026-05-18T00:53:29.542392Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:53:29.542392Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cixGFsZdf63ocFTh3eKUsxbhB4vgGo0xYzar4ZVdff9A1eDlLG4l5i0YdWQ+rrrvSxCqChOdy0ubGi8LoUkqBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:53:29.542756Z","signed_message":"canonical_sha256_bytes"},"source_id":"1611.06464","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e07126b0d803f43989a335285d5c68ec8399b6593545a74401c008a80cdf17dc","sha256:960b30da2d5bfda343c2c385d668a602fbda333fec91c5eff374853a39e85d88"],"state_sha256":"693032b8f3c3c9a001c39ab061bf8fda6abbff5b740dc8002826fc2a0aa51025"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6OTl7koUnp5BoMCZuKl1k/Z5b6lScq2sRF9qWoBBmG2Qtw1pqC+i3GpMwskXmnCEIiVwu8o13H+2h/h6RlMnBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T02:36:08.512460Z","bundle_sha256":"0b9f0fe5c9fc0805257d2f93269f61466434f5a3269777c74f33af52af5011e6"}}