{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:DRDECKHXFIHF4S62EV4O2E6TWK","short_pith_number":"pith:DRDECKHX","canonical_record":{"source":{"id":"2207.09686","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-07-20T06:38:04Z","cross_cats_sorted":[],"title_canon_sha256":"e73be6cf898e64be975b8829cdae08e450618e8e323de44dfa72bbed379c070c","abstract_canon_sha256":"fc40aa0d62650d4cad3c16d3325ad2f6f48be07a8b23528e63f96c325fdfe9c4"},"schema_version":"1.0"},"canonical_sha256":"1c464128f72a0e5e4bda2578ed13d3b280452a39ec69fc1940da59f5b8964d02","source":{"kind":"arxiv","id":"2207.09686","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.09686","created_at":"2026-07-05T04:45:01Z"},{"alias_kind":"arxiv_version","alias_value":"2207.09686v2","created_at":"2026-07-05T04:45:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.09686","created_at":"2026-07-05T04:45:01Z"},{"alias_kind":"pith_short_12","alias_value":"DRDECKHXFIHF","created_at":"2026-07-05T04:45:01Z"},{"alias_kind":"pith_short_16","alias_value":"DRDECKHXFIHF4S62","created_at":"2026-07-05T04:45:01Z"},{"alias_kind":"pith_short_8","alias_value":"DRDECKHX","created_at":"2026-07-05T04:45:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:DRDECKHXFIHF4S62EV4O2E6TWK","target":"record","payload":{"canonical_record":{"source":{"id":"2207.09686","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-07-20T06:38:04Z","cross_cats_sorted":[],"title_canon_sha256":"e73be6cf898e64be975b8829cdae08e450618e8e323de44dfa72bbed379c070c","abstract_canon_sha256":"fc40aa0d62650d4cad3c16d3325ad2f6f48be07a8b23528e63f96c325fdfe9c4"},"schema_version":"1.0"},"canonical_sha256":"1c464128f72a0e5e4bda2578ed13d3b280452a39ec69fc1940da59f5b8964d02","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:45:01.819420Z","signature_b64":"tg4Rc5feTuHap9Fj5ufR07VrFqSxjxg86V6RpfKTaXnZq/TGh13eQzRK/5+QhYdjABWbW6rmKxb9jV7S/Wi0Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c464128f72a0e5e4bda2578ed13d3b280452a39ec69fc1940da59f5b8964d02","last_reissued_at":"2026-07-05T04:45:01.819007Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:45:01.819007Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2207.09686","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":"2026-07-05T04:45:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ghh+CtmNa6EDXq9rVSXJUZmvlXeltKjKkj/3DK66aCDeBAYtlfG+V/dhiFP1bDt2La5ZjAtbsz1rdrlgNkstCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T07:14:08.001567Z"},"content_sha256":"4d5555a58f02362aebf0db1bb92ffd4cef7e81a8447136dbcd546fcc6dc884a6","schema_version":"1.0","event_id":"sha256:4d5555a58f02362aebf0db1bb92ffd4cef7e81a8447136dbcd546fcc6dc884a6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:DRDECKHXFIHF4S62EV4O2E6TWK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Object-Compositional Neural Implicit Surfaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Chuanxia Zheng, Jianfei Cai, Jianmin Zheng, Kejie Li, Qianyi Wu, Xian Liu, Yuedong Chen","submitted_at":"2022-07-20T06:38:04Z","abstract_excerpt":"The neural implicit representation has shown its effectiveness in novel view synthesis and high-quality 3D reconstruction from multi-view images. However, most approaches focus on holistic scene representation yet ignore individual objects inside it, thus limiting potential downstream applications. In order to learn object-compositional representation, a few works incorporate the 2D semantic map as a cue in training to grasp the difference between objects. But they neglect the strong connections between object geometry and instance semantic information, which leads to inaccurate modeling of in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.09686","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2207.09686/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T04:45:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"onsyVlMn/CrG8Pxa3SLkLjRdoQYsZhzOJCm39H0eCjaKVE7Wj+KGqVD6GYJ+yrCYSfyRhW1vj5Mk9xBfusrqAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T07:14:08.002078Z"},"content_sha256":"4604f4fbf2c22b9c943355630cfc4f46653dede0118323d877601a037dcc1456","schema_version":"1.0","event_id":"sha256:4604f4fbf2c22b9c943355630cfc4f46653dede0118323d877601a037dcc1456"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DRDECKHXFIHF4S62EV4O2E6TWK/bundle.json","state_url":"https://pith.science/pith/DRDECKHXFIHF4S62EV4O2E6TWK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DRDECKHXFIHF4S62EV4O2E6TWK/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":"2026-08-21T07:14:08Z","links":{"resolver":"https://pith.science/pith/DRDECKHXFIHF4S62EV4O2E6TWK","bundle":"https://pith.science/pith/DRDECKHXFIHF4S62EV4O2E6TWK/bundle.json","state":"https://pith.science/pith/DRDECKHXFIHF4S62EV4O2E6TWK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DRDECKHXFIHF4S62EV4O2E6TWK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:DRDECKHXFIHF4S62EV4O2E6TWK","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":"fc40aa0d62650d4cad3c16d3325ad2f6f48be07a8b23528e63f96c325fdfe9c4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-07-20T06:38:04Z","title_canon_sha256":"e73be6cf898e64be975b8829cdae08e450618e8e323de44dfa72bbed379c070c"},"schema_version":"1.0","source":{"id":"2207.09686","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.09686","created_at":"2026-07-05T04:45:01Z"},{"alias_kind":"arxiv_version","alias_value":"2207.09686v2","created_at":"2026-07-05T04:45:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.09686","created_at":"2026-07-05T04:45:01Z"},{"alias_kind":"pith_short_12","alias_value":"DRDECKHXFIHF","created_at":"2026-07-05T04:45:01Z"},{"alias_kind":"pith_short_16","alias_value":"DRDECKHXFIHF4S62","created_at":"2026-07-05T04:45:01Z"},{"alias_kind":"pith_short_8","alias_value":"DRDECKHX","created_at":"2026-07-05T04:45:01Z"}],"graph_snapshots":[{"event_id":"sha256:4604f4fbf2c22b9c943355630cfc4f46653dede0118323d877601a037dcc1456","target":"graph","created_at":"2026-07-05T04:45:01Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2207.09686/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The neural implicit representation has shown its effectiveness in novel view synthesis and high-quality 3D reconstruction from multi-view images. However, most approaches focus on holistic scene representation yet ignore individual objects inside it, thus limiting potential downstream applications. In order to learn object-compositional representation, a few works incorporate the 2D semantic map as a cue in training to grasp the difference between objects. But they neglect the strong connections between object geometry and instance semantic information, which leads to inaccurate modeling of in","authors_text":"Chuanxia Zheng, Jianfei Cai, Jianmin Zheng, Kejie Li, Qianyi Wu, Xian Liu, Yuedong Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-07-20T06:38:04Z","title":"Object-Compositional Neural Implicit Surfaces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.09686","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":"sha256:4d5555a58f02362aebf0db1bb92ffd4cef7e81a8447136dbcd546fcc6dc884a6","target":"record","created_at":"2026-07-05T04:45:01Z","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":"fc40aa0d62650d4cad3c16d3325ad2f6f48be07a8b23528e63f96c325fdfe9c4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-07-20T06:38:04Z","title_canon_sha256":"e73be6cf898e64be975b8829cdae08e450618e8e323de44dfa72bbed379c070c"},"schema_version":"1.0","source":{"id":"2207.09686","kind":"arxiv","version":2}},"canonical_sha256":"1c464128f72a0e5e4bda2578ed13d3b280452a39ec69fc1940da59f5b8964d02","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1c464128f72a0e5e4bda2578ed13d3b280452a39ec69fc1940da59f5b8964d02","first_computed_at":"2026-07-05T04:45:01.819007Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:45:01.819007Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tg4Rc5feTuHap9Fj5ufR07VrFqSxjxg86V6RpfKTaXnZq/TGh13eQzRK/5+QhYdjABWbW6rmKxb9jV7S/Wi0Cw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:45:01.819420Z","signed_message":"canonical_sha256_bytes"},"source_id":"2207.09686","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4d5555a58f02362aebf0db1bb92ffd4cef7e81a8447136dbcd546fcc6dc884a6","sha256:4604f4fbf2c22b9c943355630cfc4f46653dede0118323d877601a037dcc1456"],"state_sha256":"eca47ae6c38803504389457de758842fc6d4ad7229d525cbd776c061e5b31588"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TUfWmFUKp2KDcUx0U5tQGeV6OwPtqSUnLfdtD85QLEE7orYS+71i/HBrKDIej/c79SJ8D0nPah594dtb4xqVCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T07:14:08.006852Z","bundle_sha256":"f6f3baca1160d7f01e44ed40c529e3f8fa368f8f815829e8b9c0a61a21652745"}}