{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:4FANSS6QPJXJRDRO42DJTLANK5","short_pith_number":"pith:4FANSS6Q","canonical_record":{"source":{"id":"1605.09737","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2016-05-31T17:39:49Z","cross_cats_sorted":[],"title_canon_sha256":"63882e0d480419f4803f63675a187514cc7c76ad212831d1b134cc85b4686227","abstract_canon_sha256":"75acb8da5a10df07530bd7109a73b1e678e4d04c23e3ad9d1544e6d26f1a2a0e"},"schema_version":"1.0"},"canonical_sha256":"e140d94bd07a6e988e2ee68699ac0d57536ff3f36cac07b2bd6ecedea04fa6c4","source":{"kind":"arxiv","id":"1605.09737","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.09737","created_at":"2026-05-18T01:13:10Z"},{"alias_kind":"arxiv_version","alias_value":"1605.09737v1","created_at":"2026-05-18T01:13:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.09737","created_at":"2026-05-18T01:13:10Z"},{"alias_kind":"pith_short_12","alias_value":"4FANSS6QPJXJ","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"4FANSS6QPJXJRDRO","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"4FANSS6Q","created_at":"2026-05-18T12:29:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:4FANSS6QPJXJRDRO42DJTLANK5","target":"record","payload":{"canonical_record":{"source":{"id":"1605.09737","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2016-05-31T17:39:49Z","cross_cats_sorted":[],"title_canon_sha256":"63882e0d480419f4803f63675a187514cc7c76ad212831d1b134cc85b4686227","abstract_canon_sha256":"75acb8da5a10df07530bd7109a73b1e678e4d04c23e3ad9d1544e6d26f1a2a0e"},"schema_version":"1.0"},"canonical_sha256":"e140d94bd07a6e988e2ee68699ac0d57536ff3f36cac07b2bd6ecedea04fa6c4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:13:10.247950Z","signature_b64":"BVSxn7S5ZoJ3p4zOA7tbHeOEwQGpk+exHWFcaN8g4UR1OG0jS/riyvZ3/rfh+Cvl+8y3lityOmpAAeqCQHInDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e140d94bd07a6e988e2ee68699ac0d57536ff3f36cac07b2bd6ecedea04fa6c4","last_reissued_at":"2026-05-18T01:13:10.247419Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:13:10.247419Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.09737","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":"2026-05-18T01:13:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P4WcM4bQgqNMgltAO28EkQ9snqv7kqzJchY5sdMPgPsjA05Qe/dFY/KWZwY7pMN93SOeI4st1NsnO2EMgGy+Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T12:06:49.504605Z"},"content_sha256":"04bb49dc3f17b1cb3bb3e89abe1b30575a3be1b755b7286e1518dd5e48aa324a","schema_version":"1.0","event_id":"sha256:04bb49dc3f17b1cb3bb3e89abe1b30575a3be1b755b7286e1518dd5e48aa324a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:4FANSS6QPJXJRDRO42DJTLANK5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"3D Printed Stencils for Texturing Flat Surfaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.GR","authors_text":"Vaibhav Vavilala","submitted_at":"2016-05-31T17:39:49Z","abstract_excerpt":"We address the problem of texturing flat surfaces by spray-painting through 3D printed stencils. We propose a system that (1) decomposes an image into alpha-blended layers; (2) computes a stippling given a transparency channel; (3) generates a 3D printed stencil given a stippling and (4) simulates the effects of spray-painting through the stencil."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.09737","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":"2026-05-18T01:13:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pJa78mrNaRMPoMd3KcfCwAyKnstxk0ZMuIBAHmp326hdloFSZ/S48xX7UBexv6IoGVskVLWd/RN04kRcESdKBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T12:06:49.504944Z"},"content_sha256":"47da787db691633a7ae582700d01d2e50c7704ed6c3e431dd5b84e463486e3ff","schema_version":"1.0","event_id":"sha256:47da787db691633a7ae582700d01d2e50c7704ed6c3e431dd5b84e463486e3ff"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4FANSS6QPJXJRDRO42DJTLANK5/bundle.json","state_url":"https://pith.science/pith/4FANSS6QPJXJRDRO42DJTLANK5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4FANSS6QPJXJRDRO42DJTLANK5/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":"2026-06-30T12:06:49Z","links":{"resolver":"https://pith.science/pith/4FANSS6QPJXJRDRO42DJTLANK5","bundle":"https://pith.science/pith/4FANSS6QPJXJRDRO42DJTLANK5/bundle.json","state":"https://pith.science/pith/4FANSS6QPJXJRDRO42DJTLANK5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4FANSS6QPJXJRDRO42DJTLANK5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:4FANSS6QPJXJRDRO42DJTLANK5","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":"75acb8da5a10df07530bd7109a73b1e678e4d04c23e3ad9d1544e6d26f1a2a0e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2016-05-31T17:39:49Z","title_canon_sha256":"63882e0d480419f4803f63675a187514cc7c76ad212831d1b134cc85b4686227"},"schema_version":"1.0","source":{"id":"1605.09737","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.09737","created_at":"2026-05-18T01:13:10Z"},{"alias_kind":"arxiv_version","alias_value":"1605.09737v1","created_at":"2026-05-18T01:13:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.09737","created_at":"2026-05-18T01:13:10Z"},{"alias_kind":"pith_short_12","alias_value":"4FANSS6QPJXJ","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"4FANSS6QPJXJRDRO","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"4FANSS6Q","created_at":"2026-05-18T12:29:58Z"}],"graph_snapshots":[{"event_id":"sha256:47da787db691633a7ae582700d01d2e50c7704ed6c3e431dd5b84e463486e3ff","target":"graph","created_at":"2026-05-18T01:13:10Z","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":"We address the problem of texturing flat surfaces by spray-painting through 3D printed stencils. We propose a system that (1) decomposes an image into alpha-blended layers; (2) computes a stippling given a transparency channel; (3) generates a 3D printed stencil given a stippling and (4) simulates the effects of spray-painting through the stencil.","authors_text":"Vaibhav Vavilala","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2016-05-31T17:39:49Z","title":"3D Printed Stencils for Texturing Flat Surfaces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.09737","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":"sha256:04bb49dc3f17b1cb3bb3e89abe1b30575a3be1b755b7286e1518dd5e48aa324a","target":"record","created_at":"2026-05-18T01:13:10Z","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":"75acb8da5a10df07530bd7109a73b1e678e4d04c23e3ad9d1544e6d26f1a2a0e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2016-05-31T17:39:49Z","title_canon_sha256":"63882e0d480419f4803f63675a187514cc7c76ad212831d1b134cc85b4686227"},"schema_version":"1.0","source":{"id":"1605.09737","kind":"arxiv","version":1}},"canonical_sha256":"e140d94bd07a6e988e2ee68699ac0d57536ff3f36cac07b2bd6ecedea04fa6c4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e140d94bd07a6e988e2ee68699ac0d57536ff3f36cac07b2bd6ecedea04fa6c4","first_computed_at":"2026-05-18T01:13:10.247419Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:13:10.247419Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BVSxn7S5ZoJ3p4zOA7tbHeOEwQGpk+exHWFcaN8g4UR1OG0jS/riyvZ3/rfh+Cvl+8y3lityOmpAAeqCQHInDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:13:10.247950Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.09737","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:04bb49dc3f17b1cb3bb3e89abe1b30575a3be1b755b7286e1518dd5e48aa324a","sha256:47da787db691633a7ae582700d01d2e50c7704ed6c3e431dd5b84e463486e3ff"],"state_sha256":"30004b764e3331401616059aae613eed033e33599743ca3d089fd0e2cff95a49"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"haK+NHoybOzxEi4RGPbktVUSVzW+fcOZQIW1b6bu6yfKgbezBioF+NWBxLsfNo2MAUX2ToxaU82JkUaG9Iz6DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T12:06:49.506830Z","bundle_sha256":"385a3a0c714d4f397c7fce492497cb02cdfa2e65e9ddcb9c0ec1d48bae7218c7"}}