{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:AGLY2I5PL5E4CQJHRMOP4QYGB4","short_pith_number":"pith:AGLY2I5P","canonical_record":{"source":{"id":"2408.01677","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-08-03T06:34:20Z","cross_cats_sorted":[],"title_canon_sha256":"3cdac5e2d511f356c4768054c3ea695c3eb992f6eb932ee6d696883b2cc26d91","abstract_canon_sha256":"6e87b2d9b3237ddb4d1ac7d88bdb0293da7d12dd5bf5f1e6b7eee613c496ff7b"},"schema_version":"1.0"},"canonical_sha256":"01978d23af5f49c141278b1cfe43060f10fbec89bca80c135caafff7ca8ad229","source":{"kind":"arxiv","id":"2408.01677","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.01677","created_at":"2026-07-05T08:52:01Z"},{"alias_kind":"arxiv_version","alias_value":"2408.01677v1","created_at":"2026-07-05T08:52:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.01677","created_at":"2026-07-05T08:52:01Z"},{"alias_kind":"pith_short_12","alias_value":"AGLY2I5PL5E4","created_at":"2026-07-05T08:52:01Z"},{"alias_kind":"pith_short_16","alias_value":"AGLY2I5PL5E4CQJH","created_at":"2026-07-05T08:52:01Z"},{"alias_kind":"pith_short_8","alias_value":"AGLY2I5P","created_at":"2026-07-05T08:52:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:AGLY2I5PL5E4CQJHRMOP4QYGB4","target":"record","payload":{"canonical_record":{"source":{"id":"2408.01677","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-08-03T06:34:20Z","cross_cats_sorted":[],"title_canon_sha256":"3cdac5e2d511f356c4768054c3ea695c3eb992f6eb932ee6d696883b2cc26d91","abstract_canon_sha256":"6e87b2d9b3237ddb4d1ac7d88bdb0293da7d12dd5bf5f1e6b7eee613c496ff7b"},"schema_version":"1.0"},"canonical_sha256":"01978d23af5f49c141278b1cfe43060f10fbec89bca80c135caafff7ca8ad229","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:52:01.035023Z","signature_b64":"dz2eU2gzW5Vir8iIhKjFYcmzZOO2P95HeUN7lrFBp8PRB/v2///WKm99vge9yhlDhNt2lFbxRx+zEooKaCctDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"01978d23af5f49c141278b1cfe43060f10fbec89bca80c135caafff7ca8ad229","last_reissued_at":"2026-07-05T08:52:01.034649Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:52:01.034649Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2408.01677","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":"2026-07-05T08:52:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mp8KmII6Yr4QiPmDXzwKvWp171j/cfD/oeV1ZI61G582FJec5AG0+GpXI+GMT2wuMwbSlp9ls9r0dlCSjmlACQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T07:55:53.218408Z"},"content_sha256":"fab6523903e2e60280198b0c09299d01708f4f4bf0fd165be9e01e2d49f534c1","schema_version":"1.0","event_id":"sha256:fab6523903e2e60280198b0c09299d01708f4f4bf0fd165be9e01e2d49f534c1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:AGLY2I5PL5E4CQJHRMOP4QYGB4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"HIVE: HIerarchical Volume Encoding for Neural Implicit Surface Reconstruction","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Heng Li, Ping Tan, Weihao Yuan, Xiaodong Gu, Zilong Dong","submitted_at":"2024-08-03T06:34:20Z","abstract_excerpt":"Neural implicit surface reconstruction has become a new trend in reconstructing a detailed 3D shape from images. In previous methods, however, the 3D scene is only encoded by the MLPs which do not have an explicit 3D structure. To better represent 3D shapes, we introduce a volume encoding to explicitly encode the spatial information. We further design hierarchical volumes to encode the scene structures in multiple scales. The high-resolution volumes capture the high-frequency geometry details since spatially varying features could be learned from different 3D points, while the low-resolution v"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.01677","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2408.01677/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":"2026-07-05T08:52:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4zKpP6b+72sGfkQb5dfCiY9K0V9KPaawCiT2VFu4NFM9JxCQ50VYo32RvuJC0MINAXRQy5Qp9ibM8vrIuuLqCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T07:55:53.219332Z"},"content_sha256":"354c2527fe64c59fe9ece9ef3b3434618cbfd0ddbff552cafe3e15057ab0f87e","schema_version":"1.0","event_id":"sha256:354c2527fe64c59fe9ece9ef3b3434618cbfd0ddbff552cafe3e15057ab0f87e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AGLY2I5PL5E4CQJHRMOP4QYGB4/bundle.json","state_url":"https://pith.science/pith/AGLY2I5PL5E4CQJHRMOP4QYGB4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AGLY2I5PL5E4CQJHRMOP4QYGB4/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":"2026-08-21T07:55:53Z","links":{"resolver":"https://pith.science/pith/AGLY2I5PL5E4CQJHRMOP4QYGB4","bundle":"https://pith.science/pith/AGLY2I5PL5E4CQJHRMOP4QYGB4/bundle.json","state":"https://pith.science/pith/AGLY2I5PL5E4CQJHRMOP4QYGB4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AGLY2I5PL5E4CQJHRMOP4QYGB4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:AGLY2I5PL5E4CQJHRMOP4QYGB4","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":"6e87b2d9b3237ddb4d1ac7d88bdb0293da7d12dd5bf5f1e6b7eee613c496ff7b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-08-03T06:34:20Z","title_canon_sha256":"3cdac5e2d511f356c4768054c3ea695c3eb992f6eb932ee6d696883b2cc26d91"},"schema_version":"1.0","source":{"id":"2408.01677","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.01677","created_at":"2026-07-05T08:52:01Z"},{"alias_kind":"arxiv_version","alias_value":"2408.01677v1","created_at":"2026-07-05T08:52:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.01677","created_at":"2026-07-05T08:52:01Z"},{"alias_kind":"pith_short_12","alias_value":"AGLY2I5PL5E4","created_at":"2026-07-05T08:52:01Z"},{"alias_kind":"pith_short_16","alias_value":"AGLY2I5PL5E4CQJH","created_at":"2026-07-05T08:52:01Z"},{"alias_kind":"pith_short_8","alias_value":"AGLY2I5P","created_at":"2026-07-05T08:52:01Z"}],"graph_snapshots":[{"event_id":"sha256:354c2527fe64c59fe9ece9ef3b3434618cbfd0ddbff552cafe3e15057ab0f87e","target":"graph","created_at":"2026-07-05T08:52:01Z","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/2408.01677/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Neural implicit surface reconstruction has become a new trend in reconstructing a detailed 3D shape from images. In previous methods, however, the 3D scene is only encoded by the MLPs which do not have an explicit 3D structure. To better represent 3D shapes, we introduce a volume encoding to explicitly encode the spatial information. We further design hierarchical volumes to encode the scene structures in multiple scales. The high-resolution volumes capture the high-frequency geometry details since spatially varying features could be learned from different 3D points, while the low-resolution v","authors_text":"Heng Li, Ping Tan, Weihao Yuan, Xiaodong Gu, Zilong Dong","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-08-03T06:34:20Z","title":"HIVE: HIerarchical Volume Encoding for Neural Implicit Surface Reconstruction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.01677","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:fab6523903e2e60280198b0c09299d01708f4f4bf0fd165be9e01e2d49f534c1","target":"record","created_at":"2026-07-05T08:52:01Z","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":"6e87b2d9b3237ddb4d1ac7d88bdb0293da7d12dd5bf5f1e6b7eee613c496ff7b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-08-03T06:34:20Z","title_canon_sha256":"3cdac5e2d511f356c4768054c3ea695c3eb992f6eb932ee6d696883b2cc26d91"},"schema_version":"1.0","source":{"id":"2408.01677","kind":"arxiv","version":1}},"canonical_sha256":"01978d23af5f49c141278b1cfe43060f10fbec89bca80c135caafff7ca8ad229","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"01978d23af5f49c141278b1cfe43060f10fbec89bca80c135caafff7ca8ad229","first_computed_at":"2026-07-05T08:52:01.034649Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:52:01.034649Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dz2eU2gzW5Vir8iIhKjFYcmzZOO2P95HeUN7lrFBp8PRB/v2///WKm99vge9yhlDhNt2lFbxRx+zEooKaCctDw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:52:01.035023Z","signed_message":"canonical_sha256_bytes"},"source_id":"2408.01677","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fab6523903e2e60280198b0c09299d01708f4f4bf0fd165be9e01e2d49f534c1","sha256:354c2527fe64c59fe9ece9ef3b3434618cbfd0ddbff552cafe3e15057ab0f87e"],"state_sha256":"11389331879dec29c8f43e6777589dda1809578b0dd0be7c026f6ec8f3aa3cc0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jhX+pXmS5jxwa8UJY3oX5nWlJQCy8/pSdET9+++XZECmsT0PBPNgoEEkDbVLdQxDncJqTIHAhI+SbfoReUBhAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T07:55:53.226244Z","bundle_sha256":"785b93a613d960dfcbb082e60c13197da019751cc05bda526964f73dcd5ff525"}}