{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:J3JWR3HC2OV7ODOBE4G4CDS5LC","short_pith_number":"pith:J3JWR3HC","canonical_record":{"source":{"id":"1603.06433","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2016-03-21T14:23:00Z","cross_cats_sorted":[],"title_canon_sha256":"0a0d46c971fe8672a6576897af93366b6cee3c43436f0bca1f1343c8b248e2ae","abstract_canon_sha256":"53487cc961aa85dfee17cdec881af462ce127c1d02835b024ce80f0f457945e9"},"schema_version":"1.0"},"canonical_sha256":"4ed368ece2d3abf70dc1270dc10e5d58bc7a1c2632e93ca4c104ec0ff6c6f265","source":{"kind":"arxiv","id":"1603.06433","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.06433","created_at":"2026-05-18T01:18:48Z"},{"alias_kind":"arxiv_version","alias_value":"1603.06433v1","created_at":"2026-05-18T01:18:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.06433","created_at":"2026-05-18T01:18:48Z"},{"alias_kind":"pith_short_12","alias_value":"J3JWR3HC2OV7","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"J3JWR3HC2OV7ODOB","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"J3JWR3HC","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:J3JWR3HC2OV7ODOBE4G4CDS5LC","target":"record","payload":{"canonical_record":{"source":{"id":"1603.06433","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2016-03-21T14:23:00Z","cross_cats_sorted":[],"title_canon_sha256":"0a0d46c971fe8672a6576897af93366b6cee3c43436f0bca1f1343c8b248e2ae","abstract_canon_sha256":"53487cc961aa85dfee17cdec881af462ce127c1d02835b024ce80f0f457945e9"},"schema_version":"1.0"},"canonical_sha256":"4ed368ece2d3abf70dc1270dc10e5d58bc7a1c2632e93ca4c104ec0ff6c6f265","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:18:48.524936Z","signature_b64":"9/W7+ZYRGnY2PFmRjjCTQP7TaT41ZR9G7UqJGeS3aUBHBf+ezhjJC62XHBrggnrNMX08zzaYJF6D5CqhIHTiBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4ed368ece2d3abf70dc1270dc10e5d58bc7a1c2632e93ca4c104ec0ff6c6f265","last_reissued_at":"2026-05-18T01:18:48.524230Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:18:48.524230Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.06433","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":"2026-05-18T01:18:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BKZZk8VaN2s9l6kUptvbHCy1TZbUeyEfSaxNUvcqhm6LjVlNfdE2NpNLJFMuFoSWO5LzRfDUmRrqJ0yUO8oEBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T04:15:30.028735Z"},"content_sha256":"c071d1628af453c1eb1aa9fa8e939b172fc6885a63b7df3101db44e3f1683865","schema_version":"1.0","event_id":"sha256:c071d1628af453c1eb1aa9fa8e939b172fc6885a63b7df3101db44e3f1683865"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:J3JWR3HC2OV7ODOBE4G4CDS5LC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Illumination-invariant image mosaic calculation based on logarithmic search","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Wolfgang Konen","submitted_at":"2016-03-21T14:23:00Z","abstract_excerpt":"This technical report describes an improved image mosaicking algorithm. It is based on Jain's logarithmic search algorithm [Jain 1981] which is coupled to the method of Kourogi (1999} for matching images in a video sequence. Logarithmic search has a better invariance against illumination changes than the original optical-flow-based method of Kourogi."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.06433","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":"2026-05-18T01:18:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"abjhzyqKZ4Xb6gyZGdiR3exZ7HgsxXSApEkbv4NUS9iqdYMnPTxzrnRumkcnbcdnlLtxusAc6s20fMYsSs/hDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T04:15:30.029071Z"},"content_sha256":"3a63c6e8f135bb6ed75de23c120fd9089842de6fc95dc0f49f2028e28410a0c2","schema_version":"1.0","event_id":"sha256:3a63c6e8f135bb6ed75de23c120fd9089842de6fc95dc0f49f2028e28410a0c2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J3JWR3HC2OV7ODOBE4G4CDS5LC/bundle.json","state_url":"https://pith.science/pith/J3JWR3HC2OV7ODOBE4G4CDS5LC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J3JWR3HC2OV7ODOBE4G4CDS5LC/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":"2026-06-24T04:15:30Z","links":{"resolver":"https://pith.science/pith/J3JWR3HC2OV7ODOBE4G4CDS5LC","bundle":"https://pith.science/pith/J3JWR3HC2OV7ODOBE4G4CDS5LC/bundle.json","state":"https://pith.science/pith/J3JWR3HC2OV7ODOBE4G4CDS5LC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J3JWR3HC2OV7ODOBE4G4CDS5LC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:J3JWR3HC2OV7ODOBE4G4CDS5LC","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":"53487cc961aa85dfee17cdec881af462ce127c1d02835b024ce80f0f457945e9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2016-03-21T14:23:00Z","title_canon_sha256":"0a0d46c971fe8672a6576897af93366b6cee3c43436f0bca1f1343c8b248e2ae"},"schema_version":"1.0","source":{"id":"1603.06433","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.06433","created_at":"2026-05-18T01:18:48Z"},{"alias_kind":"arxiv_version","alias_value":"1603.06433v1","created_at":"2026-05-18T01:18:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.06433","created_at":"2026-05-18T01:18:48Z"},{"alias_kind":"pith_short_12","alias_value":"J3JWR3HC2OV7","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"J3JWR3HC2OV7ODOB","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"J3JWR3HC","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:3a63c6e8f135bb6ed75de23c120fd9089842de6fc95dc0f49f2028e28410a0c2","target":"graph","created_at":"2026-05-18T01:18:48Z","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":"This technical report describes an improved image mosaicking algorithm. It is based on Jain's logarithmic search algorithm [Jain 1981] which is coupled to the method of Kourogi (1999} for matching images in a video sequence. Logarithmic search has a better invariance against illumination changes than the original optical-flow-based method of Kourogi.","authors_text":"Wolfgang Konen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2016-03-21T14:23:00Z","title":"Illumination-invariant image mosaic calculation based on logarithmic search"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.06433","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:c071d1628af453c1eb1aa9fa8e939b172fc6885a63b7df3101db44e3f1683865","target":"record","created_at":"2026-05-18T01:18:48Z","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":"53487cc961aa85dfee17cdec881af462ce127c1d02835b024ce80f0f457945e9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2016-03-21T14:23:00Z","title_canon_sha256":"0a0d46c971fe8672a6576897af93366b6cee3c43436f0bca1f1343c8b248e2ae"},"schema_version":"1.0","source":{"id":"1603.06433","kind":"arxiv","version":1}},"canonical_sha256":"4ed368ece2d3abf70dc1270dc10e5d58bc7a1c2632e93ca4c104ec0ff6c6f265","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4ed368ece2d3abf70dc1270dc10e5d58bc7a1c2632e93ca4c104ec0ff6c6f265","first_computed_at":"2026-05-18T01:18:48.524230Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:18:48.524230Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9/W7+ZYRGnY2PFmRjjCTQP7TaT41ZR9G7UqJGeS3aUBHBf+ezhjJC62XHBrggnrNMX08zzaYJF6D5CqhIHTiBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:18:48.524936Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.06433","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c071d1628af453c1eb1aa9fa8e939b172fc6885a63b7df3101db44e3f1683865","sha256:3a63c6e8f135bb6ed75de23c120fd9089842de6fc95dc0f49f2028e28410a0c2"],"state_sha256":"7953f9374df9b6539b9d97d8ec7ee2b11c54a120a0f9e9fe82bdfc38ee3db744"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pQDyOn7ZlJFKZjhm/JEbNu2kBzvXviWsNiFnum14a+WjHl/NwE4iBbAT8/ekaL4ffuPcwGvLt6I90rZ89pjiCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T04:15:30.030963Z","bundle_sha256":"370c76b0dbac2b9aa508d7461ebfdbed70c668900ba93404612200e85b47cde0"}}