{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:37LUW53A6OLRZGXFJBQCR7TIFG","short_pith_number":"pith:37LUW53A","canonical_record":{"source":{"id":"2111.03978","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2021-11-07T00:53:50Z","cross_cats_sorted":[],"title_canon_sha256":"1e408fa1c34143f090d43c12bbd6f7dcc607d7ab96766ca845fcd453bd5df37b","abstract_canon_sha256":"f3979b75bef82333e17cb71dcd1d1364bbe4abbbf8324c8cb1cfd7aa60410e83"},"schema_version":"1.0"},"canonical_sha256":"dfd74b7760f3971c9ae5486028fe6829b7ffab453da97cae8778ce4a45183933","source":{"kind":"arxiv","id":"2111.03978","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.03978","created_at":"2026-07-05T03:29:54Z"},{"alias_kind":"arxiv_version","alias_value":"2111.03978v1","created_at":"2026-07-05T03:29:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.03978","created_at":"2026-07-05T03:29:54Z"},{"alias_kind":"pith_short_12","alias_value":"37LUW53A6OLR","created_at":"2026-07-05T03:29:54Z"},{"alias_kind":"pith_short_16","alias_value":"37LUW53A6OLRZGXF","created_at":"2026-07-05T03:29:54Z"},{"alias_kind":"pith_short_8","alias_value":"37LUW53A","created_at":"2026-07-05T03:29:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:37LUW53A6OLRZGXFJBQCR7TIFG","target":"record","payload":{"canonical_record":{"source":{"id":"2111.03978","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2021-11-07T00:53:50Z","cross_cats_sorted":[],"title_canon_sha256":"1e408fa1c34143f090d43c12bbd6f7dcc607d7ab96766ca845fcd453bd5df37b","abstract_canon_sha256":"f3979b75bef82333e17cb71dcd1d1364bbe4abbbf8324c8cb1cfd7aa60410e83"},"schema_version":"1.0"},"canonical_sha256":"dfd74b7760f3971c9ae5486028fe6829b7ffab453da97cae8778ce4a45183933","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:29:54.297665Z","signature_b64":"h1sXBvhvr6rKMC6lEh8rvbNGGak3DcnmjfQkMj3d/g6GU8O00Xf74jTZDrKvQqGkvTy5KuESyFJAvgxs0QrNDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dfd74b7760f3971c9ae5486028fe6829b7ffab453da97cae8778ce4a45183933","last_reissued_at":"2026-07-05T03:29:54.297207Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:29:54.297207Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.03978","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":"2026-07-05T03:29:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zpBfeK2eX6iFi+Ax+8o+ibBhrGEwTy5J7uu56lTKxiV+rnnLZLfl4ONRlrZvtUWDQbqm7i6b6+D4PjuBm8zBBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T03:22:49.629258Z"},"content_sha256":"0c2f04ed22b6c41b38f1a2fda749bc63cd861bc71b30296aec7c364b9ba1058c","schema_version":"1.0","event_id":"sha256:0c2f04ed22b6c41b38f1a2fda749bc63cd861bc71b30296aec7c364b9ba1058c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:37LUW53A6OLRZGXFJBQCR7TIFG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Building up DNA, bit by bit: a simple description of chain assembly","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"F. Sciortino, J. M. Tavares, P. I. C. Teixeira, R. Foffi","submitted_at":"2021-11-07T00:53:50Z","abstract_excerpt":"We simulate the assembly of DNA copolymers from two types of short duplexes (short double strands with a single-stranded overhang at each end), as described by the oxDNA model. We find that the statistics of chain lengths can be well reproduced by a simple theory that treats the association of particles into ideal (i.e., non-interacting) clusters as a reversible chemical reaction. The reaction constants can be predicted either from Santalucia's theory or from Wertheim's thermodynamic perturbation theory of association for spherical patchy particles. Our results suggest that theories incorporat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.03978","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/2111.03978/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":"2026-07-05T03:29:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GfmT92fgxpV8I8qUy9t6e/tSLkZjHH2XpcQj9kSTtBf8QjihHBg7uro4gWkvYkWKoghyg1VVHt+nqUHWPkrnCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T03:22:49.629650Z"},"content_sha256":"dfc84b959f8b8f59c39347fc8781b25e748f0c637a08e5d0604b0ba4798903ae","schema_version":"1.0","event_id":"sha256:dfc84b959f8b8f59c39347fc8781b25e748f0c637a08e5d0604b0ba4798903ae"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/37LUW53A6OLRZGXFJBQCR7TIFG/bundle.json","state_url":"https://pith.science/pith/37LUW53A6OLRZGXFJBQCR7TIFG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/37LUW53A6OLRZGXFJBQCR7TIFG/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":"2026-07-07T03:22:49Z","links":{"resolver":"https://pith.science/pith/37LUW53A6OLRZGXFJBQCR7TIFG","bundle":"https://pith.science/pith/37LUW53A6OLRZGXFJBQCR7TIFG/bundle.json","state":"https://pith.science/pith/37LUW53A6OLRZGXFJBQCR7TIFG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/37LUW53A6OLRZGXFJBQCR7TIFG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:37LUW53A6OLRZGXFJBQCR7TIFG","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":"f3979b75bef82333e17cb71dcd1d1364bbe4abbbf8324c8cb1cfd7aa60410e83","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2021-11-07T00:53:50Z","title_canon_sha256":"1e408fa1c34143f090d43c12bbd6f7dcc607d7ab96766ca845fcd453bd5df37b"},"schema_version":"1.0","source":{"id":"2111.03978","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.03978","created_at":"2026-07-05T03:29:54Z"},{"alias_kind":"arxiv_version","alias_value":"2111.03978v1","created_at":"2026-07-05T03:29:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.03978","created_at":"2026-07-05T03:29:54Z"},{"alias_kind":"pith_short_12","alias_value":"37LUW53A6OLR","created_at":"2026-07-05T03:29:54Z"},{"alias_kind":"pith_short_16","alias_value":"37LUW53A6OLRZGXF","created_at":"2026-07-05T03:29:54Z"},{"alias_kind":"pith_short_8","alias_value":"37LUW53A","created_at":"2026-07-05T03:29:54Z"}],"graph_snapshots":[{"event_id":"sha256:dfc84b959f8b8f59c39347fc8781b25e748f0c637a08e5d0604b0ba4798903ae","target":"graph","created_at":"2026-07-05T03:29:54Z","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/2111.03978/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We simulate the assembly of DNA copolymers from two types of short duplexes (short double strands with a single-stranded overhang at each end), as described by the oxDNA model. We find that the statistics of chain lengths can be well reproduced by a simple theory that treats the association of particles into ideal (i.e., non-interacting) clusters as a reversible chemical reaction. The reaction constants can be predicted either from Santalucia's theory or from Wertheim's thermodynamic perturbation theory of association for spherical patchy particles. Our results suggest that theories incorporat","authors_text":"F. Sciortino, J. M. Tavares, P. I. C. Teixeira, R. Foffi","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2021-11-07T00:53:50Z","title":"Building up DNA, bit by bit: a simple description of chain assembly"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.03978","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":"sha256:0c2f04ed22b6c41b38f1a2fda749bc63cd861bc71b30296aec7c364b9ba1058c","target":"record","created_at":"2026-07-05T03:29:54Z","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":"f3979b75bef82333e17cb71dcd1d1364bbe4abbbf8324c8cb1cfd7aa60410e83","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2021-11-07T00:53:50Z","title_canon_sha256":"1e408fa1c34143f090d43c12bbd6f7dcc607d7ab96766ca845fcd453bd5df37b"},"schema_version":"1.0","source":{"id":"2111.03978","kind":"arxiv","version":1}},"canonical_sha256":"dfd74b7760f3971c9ae5486028fe6829b7ffab453da97cae8778ce4a45183933","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dfd74b7760f3971c9ae5486028fe6829b7ffab453da97cae8778ce4a45183933","first_computed_at":"2026-07-05T03:29:54.297207Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:29:54.297207Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"h1sXBvhvr6rKMC6lEh8rvbNGGak3DcnmjfQkMj3d/g6GU8O00Xf74jTZDrKvQqGkvTy5KuESyFJAvgxs0QrNDg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:29:54.297665Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.03978","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0c2f04ed22b6c41b38f1a2fda749bc63cd861bc71b30296aec7c364b9ba1058c","sha256:dfc84b959f8b8f59c39347fc8781b25e748f0c637a08e5d0604b0ba4798903ae"],"state_sha256":"72f2c5538f3bfdf4cca2c8be045cde5e277c80fefbb1a8c20c24fd02e2169031"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8a2yCdkUtHP68F2VeBzmHXpFzh9AsGxFiQqGy0VwtJVFtl52kH5jQ66JYUvgGaLwtYRaHVli8nDm3b5DCdx2CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T03:22:49.632033Z","bundle_sha256":"685a89419ed0664555b3072b84df3858cac6f8989f780fa5b4dce7880dd013fe"}}