{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:6MHPM72KWK5NP2SGP3MNKHRUDH","short_pith_number":"pith:6MHPM72K","canonical_record":{"source":{"id":"2104.06392","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2021-04-13T17:54:03Z","cross_cats_sorted":["cs.AI","cs.CV","cs.LG"],"title_canon_sha256":"27bb382c97b44215a2b6f7a875181157e5a2689d18b6483f2024d0b9deb7598a","abstract_canon_sha256":"c84e7373e83cfb670cf8c18d1531e72fe1ba6189f17f6868a616a6ee5d32d7ab"},"schema_version":"1.0"},"canonical_sha256":"f30ef67f4ab2bad7ea467ed8d51e3419e6d7fb54023e120ada640108f9a9c553","source":{"kind":"arxiv","id":"2104.06392","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.06392","created_at":"2026-07-05T04:07:38Z"},{"alias_kind":"arxiv_version","alias_value":"2104.06392v3","created_at":"2026-07-05T04:07:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.06392","created_at":"2026-07-05T04:07:38Z"},{"alias_kind":"pith_short_12","alias_value":"6MHPM72KWK5N","created_at":"2026-07-05T04:07:38Z"},{"alias_kind":"pith_short_16","alias_value":"6MHPM72KWK5NP2SG","created_at":"2026-07-05T04:07:38Z"},{"alias_kind":"pith_short_8","alias_value":"6MHPM72K","created_at":"2026-07-05T04:07:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:6MHPM72KWK5NP2SGP3MNKHRUDH","target":"record","payload":{"canonical_record":{"source":{"id":"2104.06392","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2021-04-13T17:54:03Z","cross_cats_sorted":["cs.AI","cs.CV","cs.LG"],"title_canon_sha256":"27bb382c97b44215a2b6f7a875181157e5a2689d18b6483f2024d0b9deb7598a","abstract_canon_sha256":"c84e7373e83cfb670cf8c18d1531e72fe1ba6189f17f6868a616a6ee5d32d7ab"},"schema_version":"1.0"},"canonical_sha256":"f30ef67f4ab2bad7ea467ed8d51e3419e6d7fb54023e120ada640108f9a9c553","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:07:38.663755Z","signature_b64":"JfTnrBvsAle/lK/SycjtHqHvUw/ZkSu+Vr1EI0SVKIN4VT5UMlo6/948YK2mp/ZvoqM6QKxFsQ+yhdsKK8utCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f30ef67f4ab2bad7ea467ed8d51e3419e6d7fb54023e120ada640108f9a9c553","last_reissued_at":"2026-07-05T04:07:38.663335Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:07:38.663335Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2104.06392","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:07:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+E4CuasHHYb0A+Kp6k/hdcTc9k2Zpld1Muw+CehGrhEkYn3pY0LZQtUUi5LEveBUrgZRObMJv7EiRpXY0iNYBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T00:01:47.017220Z"},"content_sha256":"61b6d02c074af7d8dba4dcce11f04def06ce609b602cee62e33b3d3f2976cc3b","schema_version":"1.0","event_id":"sha256:61b6d02c074af7d8dba4dcce11f04def06ce609b602cee62e33b3d3f2976cc3b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:6MHPM72KWK5NP2SGP3MNKHRUDH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ShapeMOD: Macro Operation Discovery for 3D Shape Programs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI","cs.CV","cs.LG"],"primary_cat":"cs.GR","authors_text":"Daniel Ritchie, David Charatan, Niloy J. Mitra, Paul Guerrero, R. Kenny Jones","submitted_at":"2021-04-13T17:54:03Z","abstract_excerpt":"A popular way to create detailed yet easily controllable 3D shapes is via procedural modeling, i.e. generating geometry using programs. Such programs consist of a series of instructions along with their associated parameter values. To fully realize the benefits of this representation, a shape program should be compact and only expose degrees of freedom that allow for meaningful manipulation of output geometry. One way to achieve this goal is to design higher-level macro operators that, when executed, expand into a series of commands from the base shape modeling language. However, manually auth"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.06392","kind":"arxiv","version":3},"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/2104.06392/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":"2026-07-05T04:07:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6nojYT9wGdhorv+7DiZFOFsgb7M3eijUrfXxxxxZM4N/Mw0x6apW7BTxgVcj2tG1APhjdjZXmNnOOiwJBDkqAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T00:01:47.018137Z"},"content_sha256":"9950ae25bc90c0eda95f796e76045729e18c749614bde0e5a40669d429d4cb5e","schema_version":"1.0","event_id":"sha256:9950ae25bc90c0eda95f796e76045729e18c749614bde0e5a40669d429d4cb5e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6MHPM72KWK5NP2SGP3MNKHRUDH/bundle.json","state_url":"https://pith.science/pith/6MHPM72KWK5NP2SGP3MNKHRUDH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6MHPM72KWK5NP2SGP3MNKHRUDH/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":"2026-08-07T00:01:47Z","links":{"resolver":"https://pith.science/pith/6MHPM72KWK5NP2SGP3MNKHRUDH","bundle":"https://pith.science/pith/6MHPM72KWK5NP2SGP3MNKHRUDH/bundle.json","state":"https://pith.science/pith/6MHPM72KWK5NP2SGP3MNKHRUDH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6MHPM72KWK5NP2SGP3MNKHRUDH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:6MHPM72KWK5NP2SGP3MNKHRUDH","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":"c84e7373e83cfb670cf8c18d1531e72fe1ba6189f17f6868a616a6ee5d32d7ab","cross_cats_sorted":["cs.AI","cs.CV","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2021-04-13T17:54:03Z","title_canon_sha256":"27bb382c97b44215a2b6f7a875181157e5a2689d18b6483f2024d0b9deb7598a"},"schema_version":"1.0","source":{"id":"2104.06392","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.06392","created_at":"2026-07-05T04:07:38Z"},{"alias_kind":"arxiv_version","alias_value":"2104.06392v3","created_at":"2026-07-05T04:07:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.06392","created_at":"2026-07-05T04:07:38Z"},{"alias_kind":"pith_short_12","alias_value":"6MHPM72KWK5N","created_at":"2026-07-05T04:07:38Z"},{"alias_kind":"pith_short_16","alias_value":"6MHPM72KWK5NP2SG","created_at":"2026-07-05T04:07:38Z"},{"alias_kind":"pith_short_8","alias_value":"6MHPM72K","created_at":"2026-07-05T04:07:38Z"}],"graph_snapshots":[{"event_id":"sha256:9950ae25bc90c0eda95f796e76045729e18c749614bde0e5a40669d429d4cb5e","target":"graph","created_at":"2026-07-05T04:07:38Z","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/2104.06392/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A popular way to create detailed yet easily controllable 3D shapes is via procedural modeling, i.e. generating geometry using programs. Such programs consist of a series of instructions along with their associated parameter values. To fully realize the benefits of this representation, a shape program should be compact and only expose degrees of freedom that allow for meaningful manipulation of output geometry. One way to achieve this goal is to design higher-level macro operators that, when executed, expand into a series of commands from the base shape modeling language. However, manually auth","authors_text":"Daniel Ritchie, David Charatan, Niloy J. Mitra, Paul Guerrero, R. Kenny Jones","cross_cats":["cs.AI","cs.CV","cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2021-04-13T17:54:03Z","title":"ShapeMOD: Macro Operation Discovery for 3D Shape Programs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.06392","kind":"arxiv","version":3},"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":"sha256:61b6d02c074af7d8dba4dcce11f04def06ce609b602cee62e33b3d3f2976cc3b","target":"record","created_at":"2026-07-05T04:07:38Z","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":"c84e7373e83cfb670cf8c18d1531e72fe1ba6189f17f6868a616a6ee5d32d7ab","cross_cats_sorted":["cs.AI","cs.CV","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2021-04-13T17:54:03Z","title_canon_sha256":"27bb382c97b44215a2b6f7a875181157e5a2689d18b6483f2024d0b9deb7598a"},"schema_version":"1.0","source":{"id":"2104.06392","kind":"arxiv","version":3}},"canonical_sha256":"f30ef67f4ab2bad7ea467ed8d51e3419e6d7fb54023e120ada640108f9a9c553","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f30ef67f4ab2bad7ea467ed8d51e3419e6d7fb54023e120ada640108f9a9c553","first_computed_at":"2026-07-05T04:07:38.663335Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:07:38.663335Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JfTnrBvsAle/lK/SycjtHqHvUw/ZkSu+Vr1EI0SVKIN4VT5UMlo6/948YK2mp/ZvoqM6QKxFsQ+yhdsKK8utCA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:07:38.663755Z","signed_message":"canonical_sha256_bytes"},"source_id":"2104.06392","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:61b6d02c074af7d8dba4dcce11f04def06ce609b602cee62e33b3d3f2976cc3b","sha256:9950ae25bc90c0eda95f796e76045729e18c749614bde0e5a40669d429d4cb5e"],"state_sha256":"4343b815f6b4c1ee3456171e4cc5236c7c924678b404d626bd3dc723f0ede409"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ORzoRczvD8GFgjT5UPFZXQ77+zOv/FtJU3Ir3kFI9OyVDU6mcORkqSMu4vc+xXp/+cZ+Lc5qi1TSfrYCPwvkBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T00:01:47.039749Z","bundle_sha256":"1d37b2ed861f5d8115c222f833b66d36dec7fc847cabc07058d585e17b9da1bb"}}