{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:OVOONCIQABBW6TVCOAIIQRL76I","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":"e71d11dc13cbf8aea795d9acebb488a4fe6f088204a84f762168f97f3f1e89cd","cross_cats_sorted":["cond-mat.soft","q-bio.BM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2015-05-27T21:53:26Z","title_canon_sha256":"147bfd42c1d0339b89abc65d05da6505a64b41dd62eb51d386b9ab879cd2ccca"},"schema_version":"1.0","source":{"id":"1505.07501","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.07501","created_at":"2026-05-18T01:18:49Z"},{"alias_kind":"arxiv_version","alias_value":"1505.07501v2","created_at":"2026-05-18T01:18:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.07501","created_at":"2026-05-18T01:18:49Z"},{"alias_kind":"pith_short_12","alias_value":"OVOONCIQABBW","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"OVOONCIQABBW6TVC","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"OVOONCIQ","created_at":"2026-05-18T12:29:34Z"}],"graph_snapshots":[{"event_id":"sha256:c49b5f280327e1e21772f900c6cefed56db94f682855c2bd668a6739c2bec54c","target":"graph","created_at":"2026-05-18T01:18:49Z","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":"Self-assembly in the laboratory can now yield `information-rich' nanostructures in which each component is of a distinct type and has a defined spatial position. Ensuring the thermodynamic stability of such structures requires inter-component interaction energies to increase logarithmically with structure size, in order to counter the entropy gained upon mixing component types in solution. However, self-assembly in the presence of strong interactions results in general in kinetic trapping, so suggesting a limit to the size of an (equilibrium) structure that can be self-assembled from distingui","authors_text":"Stephen Whitelam","cross_cats":["cond-mat.soft","q-bio.BM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2015-05-27T21:53:26Z","title":"Hierarchical assembly may be a way to make large information-rich structures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.07501","kind":"arxiv","version":2},"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":"sha256:8612c4347dbe1adf2334fede46bde76f302c30f064a8075f57655b3344173330","target":"record","created_at":"2026-05-18T01:18:49Z","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":"e71d11dc13cbf8aea795d9acebb488a4fe6f088204a84f762168f97f3f1e89cd","cross_cats_sorted":["cond-mat.soft","q-bio.BM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2015-05-27T21:53:26Z","title_canon_sha256":"147bfd42c1d0339b89abc65d05da6505a64b41dd62eb51d386b9ab879cd2ccca"},"schema_version":"1.0","source":{"id":"1505.07501","kind":"arxiv","version":2}},"canonical_sha256":"755ce6891000436f4ea2701088457ff208ace8f5e70ae6e0dbe9cabeb3d268cf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"755ce6891000436f4ea2701088457ff208ace8f5e70ae6e0dbe9cabeb3d268cf","first_computed_at":"2026-05-18T01:18:49.337745Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:18:49.337745Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QdArms5qHv0hYMCMTHSMxBT29sUS2nC/zIfE8crWvhtbkNoo5/beDgKPzJtoN5hkx40WgMQH32553oZduI9MCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:18:49.338472Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.07501","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8612c4347dbe1adf2334fede46bde76f302c30f064a8075f57655b3344173330","sha256:c49b5f280327e1e21772f900c6cefed56db94f682855c2bd668a6739c2bec54c"],"state_sha256":"e6a6e72700994f2e2fa66bb5315654af3592ecb15c93f7c051e8dcef8c15be4d"}