{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:NGWPX6BVNFNJOFAN4QJDDZIDG3","short_pith_number":"pith:NGWPX6BV","canonical_record":{"source":{"id":"1301.2626","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2013-01-11T23:01:15Z","cross_cats_sorted":["cs.CC","cs.CG"],"title_canon_sha256":"9f7d6847ee52fa6333e5a3f2e9d9fb8e036ec0546d863a11c5eff2814173cdd9","abstract_canon_sha256":"713ad37e471c725eab8a28ca95fdb61d2d428c318a05dccdf78d24a257ddf0d2"},"schema_version":"1.0"},"canonical_sha256":"69acfbf835695a97140de41231e50336e34f93026528bee6003a034363db194a","source":{"kind":"arxiv","id":"1301.2626","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.2626","created_at":"2026-05-18T03:36:35Z"},{"alias_kind":"arxiv_version","alias_value":"1301.2626v1","created_at":"2026-05-18T03:36:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.2626","created_at":"2026-05-18T03:36:35Z"},{"alias_kind":"pith_short_12","alias_value":"NGWPX6BVNFNJ","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"NGWPX6BVNFNJOFAN","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"NGWPX6BV","created_at":"2026-05-18T12:27:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:NGWPX6BVNFNJOFAN4QJDDZIDG3","target":"record","payload":{"canonical_record":{"source":{"id":"1301.2626","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2013-01-11T23:01:15Z","cross_cats_sorted":["cs.CC","cs.CG"],"title_canon_sha256":"9f7d6847ee52fa6333e5a3f2e9d9fb8e036ec0546d863a11c5eff2814173cdd9","abstract_canon_sha256":"713ad37e471c725eab8a28ca95fdb61d2d428c318a05dccdf78d24a257ddf0d2"},"schema_version":"1.0"},"canonical_sha256":"69acfbf835695a97140de41231e50336e34f93026528bee6003a034363db194a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:36:35.749078Z","signature_b64":"Uk2Vf7dDCyCnSZvmwTUYzO512go+5inoJ/kKOHdX0Qx/hYf34BDaoUaJDBcj/qaoSNN/3KzZE4iP9tZejdaCCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"69acfbf835695a97140de41231e50336e34f93026528bee6003a034363db194a","last_reissued_at":"2026-05-18T03:36:35.748462Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:36:35.748462Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.2626","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":"2026-05-18T03:36:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h9UC10uznkU/VRoVDBi5rFoltMTAnJY8bBp4oIcLVXAhMCA80+9H3r2Zd6l6QFEZ26NnUJiOHkpkBCegVuQODA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T05:08:01.745596Z"},"content_sha256":"1f49d4d5b14d77cf5f67a024cd6258ca5273e5993a6c767a9e5ac0c684c8df53","schema_version":"1.0","event_id":"sha256:1f49d4d5b14d77cf5f67a024cd6258ca5273e5993a6c767a9e5ac0c684c8df53"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:NGWPX6BVNFNJOFAN4QJDDZIDG3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Active Self-Assembly of Algorithmic Shapes and Patterns in Polylogarithmic Time","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CC","cs.CG"],"primary_cat":"cs.DS","authors_text":"Damien Woods, Erik Winfree, Ho-Lin Chen, Nadine Dabby, Peng Yin, Scott Goodfriend","submitted_at":"2013-01-11T23:01:15Z","abstract_excerpt":"We describe a computational model for studying the complexity of self-assembled structures with active molecular components. Our model captures notions of growth and movement ubiquitous in biological systems. The model is inspired by biology's fantastic ability to assemble biomolecules that form systems with complicated structure and dynamics, from molecular motors that walk on rigid tracks and proteins that dynamically alter the structure of the cell during mitosis, to embryonic development where large-scale complicated organisms efficiently grow from a single cell. Using this active self-ass"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.2626","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":"2026-05-18T03:36:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3MN2ma3LfwnoHq4rLZwCqU3NXYYD3QEfCjKDvIEmj1zHofaL5cm9upHSyW+KkkTPzz3V/9LIR4L2n+By1nboDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T05:08:01.745956Z"},"content_sha256":"4fd60ab7cf93f8a593b41a91461a8fdb4e8400d0d035bb84d35d62c807055d06","schema_version":"1.0","event_id":"sha256:4fd60ab7cf93f8a593b41a91461a8fdb4e8400d0d035bb84d35d62c807055d06"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NGWPX6BVNFNJOFAN4QJDDZIDG3/bundle.json","state_url":"https://pith.science/pith/NGWPX6BVNFNJOFAN4QJDDZIDG3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NGWPX6BVNFNJOFAN4QJDDZIDG3/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":"2026-05-31T05:08:01Z","links":{"resolver":"https://pith.science/pith/NGWPX6BVNFNJOFAN4QJDDZIDG3","bundle":"https://pith.science/pith/NGWPX6BVNFNJOFAN4QJDDZIDG3/bundle.json","state":"https://pith.science/pith/NGWPX6BVNFNJOFAN4QJDDZIDG3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NGWPX6BVNFNJOFAN4QJDDZIDG3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:NGWPX6BVNFNJOFAN4QJDDZIDG3","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":"713ad37e471c725eab8a28ca95fdb61d2d428c318a05dccdf78d24a257ddf0d2","cross_cats_sorted":["cs.CC","cs.CG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2013-01-11T23:01:15Z","title_canon_sha256":"9f7d6847ee52fa6333e5a3f2e9d9fb8e036ec0546d863a11c5eff2814173cdd9"},"schema_version":"1.0","source":{"id":"1301.2626","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.2626","created_at":"2026-05-18T03:36:35Z"},{"alias_kind":"arxiv_version","alias_value":"1301.2626v1","created_at":"2026-05-18T03:36:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.2626","created_at":"2026-05-18T03:36:35Z"},{"alias_kind":"pith_short_12","alias_value":"NGWPX6BVNFNJ","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"NGWPX6BVNFNJOFAN","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"NGWPX6BV","created_at":"2026-05-18T12:27:52Z"}],"graph_snapshots":[{"event_id":"sha256:4fd60ab7cf93f8a593b41a91461a8fdb4e8400d0d035bb84d35d62c807055d06","target":"graph","created_at":"2026-05-18T03:36:35Z","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 describe a computational model for studying the complexity of self-assembled structures with active molecular components. Our model captures notions of growth and movement ubiquitous in biological systems. The model is inspired by biology's fantastic ability to assemble biomolecules that form systems with complicated structure and dynamics, from molecular motors that walk on rigid tracks and proteins that dynamically alter the structure of the cell during mitosis, to embryonic development where large-scale complicated organisms efficiently grow from a single cell. Using this active self-ass","authors_text":"Damien Woods, Erik Winfree, Ho-Lin Chen, Nadine Dabby, Peng Yin, Scott Goodfriend","cross_cats":["cs.CC","cs.CG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2013-01-11T23:01:15Z","title":"Active Self-Assembly of Algorithmic Shapes and Patterns in Polylogarithmic Time"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.2626","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":"sha256:1f49d4d5b14d77cf5f67a024cd6258ca5273e5993a6c767a9e5ac0c684c8df53","target":"record","created_at":"2026-05-18T03:36:35Z","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":"713ad37e471c725eab8a28ca95fdb61d2d428c318a05dccdf78d24a257ddf0d2","cross_cats_sorted":["cs.CC","cs.CG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2013-01-11T23:01:15Z","title_canon_sha256":"9f7d6847ee52fa6333e5a3f2e9d9fb8e036ec0546d863a11c5eff2814173cdd9"},"schema_version":"1.0","source":{"id":"1301.2626","kind":"arxiv","version":1}},"canonical_sha256":"69acfbf835695a97140de41231e50336e34f93026528bee6003a034363db194a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"69acfbf835695a97140de41231e50336e34f93026528bee6003a034363db194a","first_computed_at":"2026-05-18T03:36:35.748462Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:36:35.748462Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Uk2Vf7dDCyCnSZvmwTUYzO512go+5inoJ/kKOHdX0Qx/hYf34BDaoUaJDBcj/qaoSNN/3KzZE4iP9tZejdaCCg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:36:35.749078Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.2626","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1f49d4d5b14d77cf5f67a024cd6258ca5273e5993a6c767a9e5ac0c684c8df53","sha256:4fd60ab7cf93f8a593b41a91461a8fdb4e8400d0d035bb84d35d62c807055d06"],"state_sha256":"391367aeea5f40c6b39a75cfe45e92bd7fc341dd2f29e11b902393a74e551a27"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5Dnv9kUAiEPLEgdJnAcCm7WZ+nVhIOL7cBZCf/YvtPj3p0tw3TVUAFDLen0ZPIvXSN0n/tf7jg2YzCFGfhLjAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T05:08:01.748022Z","bundle_sha256":"cb152cc07186ab34ddb39b661e9669ec91eb484b07e3d73dba84fca7f1d9e0e4"}}