{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:EMFDZ4TF5IXFE2TSHBWYUY6I2V","short_pith_number":"pith:EMFDZ4TF","canonical_record":{"source":{"id":"1402.1118","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-02-05T18:25:07Z","cross_cats_sorted":[],"title_canon_sha256":"7524cb55e2c89a6fbaacc78e35eb5e506258bb2f2c7b21187b2efb4dc75846c6","abstract_canon_sha256":"367a3af4680ec700a37729d8d6b38bea7b701654b150d0d043465cefb30c08ad"},"schema_version":"1.0"},"canonical_sha256":"230a3cf265ea2e526a72386d8a63c8d540df0cabcb027cc7b496cf23d422e62d","source":{"kind":"arxiv","id":"1402.1118","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.1118","created_at":"2026-05-18T01:44:47Z"},{"alias_kind":"arxiv_version","alias_value":"1402.1118v1","created_at":"2026-05-18T01:44:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.1118","created_at":"2026-05-18T01:44:47Z"},{"alias_kind":"pith_short_12","alias_value":"EMFDZ4TF5IXF","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"EMFDZ4TF5IXFE2TS","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"EMFDZ4TF","created_at":"2026-05-18T12:28:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:EMFDZ4TF5IXFE2TSHBWYUY6I2V","target":"record","payload":{"canonical_record":{"source":{"id":"1402.1118","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-02-05T18:25:07Z","cross_cats_sorted":[],"title_canon_sha256":"7524cb55e2c89a6fbaacc78e35eb5e506258bb2f2c7b21187b2efb4dc75846c6","abstract_canon_sha256":"367a3af4680ec700a37729d8d6b38bea7b701654b150d0d043465cefb30c08ad"},"schema_version":"1.0"},"canonical_sha256":"230a3cf265ea2e526a72386d8a63c8d540df0cabcb027cc7b496cf23d422e62d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:44:47.393972Z","signature_b64":"UXor/R1y92AK0hrG2jQs3t4snNI6Jp3QhFrBErajmZ5XWyKFttVkdFKec3lCNonx7LgkPdcs4wpzB/C1ysFNBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"230a3cf265ea2e526a72386d8a63c8d540df0cabcb027cc7b496cf23d422e62d","last_reissued_at":"2026-05-18T01:44:47.393356Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:44:47.393356Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.1118","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":"2026-05-18T01:44:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AsZYsMsgQgqsP2PwCSIdWtB3KMQ0o8/AAvsFO97spQzfhJsB5UnDyBU7IHTrk/2qOWRXO+SnOUNT0KkfVkaiCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T18:34:43.054732Z"},"content_sha256":"28e78ff9a2c64b2fcdbdf971ae131d0b52976f0f0d3bce0dcbda4f3b8b05a587","schema_version":"1.0","event_id":"sha256:28e78ff9a2c64b2fcdbdf971ae131d0b52976f0f0d3bce0dcbda4f3b8b05a587"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:EMFDZ4TF5IXFE2TSHBWYUY6I2V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Universality of Block Copolymer Melts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"David C. Morse, Jens Glaser, Mark W. Matsen, Pavani Medapuram, Thomas M. Beardsley","submitted_at":"2014-02-05T18:25:07Z","abstract_excerpt":"Simulations of five different coarse-grained models of symmetric diblock copolymer melts are compared to demonstrate a universal (i.e., model-independent) dependence of the free energy on the invariant degree of polymerization $\\overline{N}$, and to study universal properties of the order-disorder transition (ODT). The ODT appears to exhibit two regimes: Systems of very long chains ($\\overline{N} \\gtrsim 10^{4}$) are well described by the Fredrickson-Helfand theory, which assumes weak segregation near the ODT. Systems of smaller but experimentally relevant values, $\\overline{N} \\lesssim 10^4$,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.1118","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":"2026-05-18T01:44:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7wBT+nHUCe15nzNIJRok9WKA9Ge0MOd9B4PdUxlj4rTHqg9nt18lIgXoYHPhADwPs9O3Ce8q+VABCx8u1zqlDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T18:34:43.055082Z"},"content_sha256":"b3163533f70d2075ec7a21e97b0456428d973f68d977d46ac36814e54cd0ac2c","schema_version":"1.0","event_id":"sha256:b3163533f70d2075ec7a21e97b0456428d973f68d977d46ac36814e54cd0ac2c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EMFDZ4TF5IXFE2TSHBWYUY6I2V/bundle.json","state_url":"https://pith.science/pith/EMFDZ4TF5IXFE2TSHBWYUY6I2V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EMFDZ4TF5IXFE2TSHBWYUY6I2V/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":"2026-06-06T18:34:43Z","links":{"resolver":"https://pith.science/pith/EMFDZ4TF5IXFE2TSHBWYUY6I2V","bundle":"https://pith.science/pith/EMFDZ4TF5IXFE2TSHBWYUY6I2V/bundle.json","state":"https://pith.science/pith/EMFDZ4TF5IXFE2TSHBWYUY6I2V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EMFDZ4TF5IXFE2TSHBWYUY6I2V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:EMFDZ4TF5IXFE2TSHBWYUY6I2V","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":"367a3af4680ec700a37729d8d6b38bea7b701654b150d0d043465cefb30c08ad","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-02-05T18:25:07Z","title_canon_sha256":"7524cb55e2c89a6fbaacc78e35eb5e506258bb2f2c7b21187b2efb4dc75846c6"},"schema_version":"1.0","source":{"id":"1402.1118","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.1118","created_at":"2026-05-18T01:44:47Z"},{"alias_kind":"arxiv_version","alias_value":"1402.1118v1","created_at":"2026-05-18T01:44:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.1118","created_at":"2026-05-18T01:44:47Z"},{"alias_kind":"pith_short_12","alias_value":"EMFDZ4TF5IXF","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"EMFDZ4TF5IXFE2TS","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"EMFDZ4TF","created_at":"2026-05-18T12:28:28Z"}],"graph_snapshots":[{"event_id":"sha256:b3163533f70d2075ec7a21e97b0456428d973f68d977d46ac36814e54cd0ac2c","target":"graph","created_at":"2026-05-18T01:44:47Z","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":"Simulations of five different coarse-grained models of symmetric diblock copolymer melts are compared to demonstrate a universal (i.e., model-independent) dependence of the free energy on the invariant degree of polymerization $\\overline{N}$, and to study universal properties of the order-disorder transition (ODT). The ODT appears to exhibit two regimes: Systems of very long chains ($\\overline{N} \\gtrsim 10^{4}$) are well described by the Fredrickson-Helfand theory, which assumes weak segregation near the ODT. Systems of smaller but experimentally relevant values, $\\overline{N} \\lesssim 10^4$,","authors_text":"David C. Morse, Jens Glaser, Mark W. Matsen, Pavani Medapuram, Thomas M. Beardsley","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-02-05T18:25:07Z","title":"Universality of Block Copolymer Melts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.1118","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":"sha256:28e78ff9a2c64b2fcdbdf971ae131d0b52976f0f0d3bce0dcbda4f3b8b05a587","target":"record","created_at":"2026-05-18T01:44:47Z","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":"367a3af4680ec700a37729d8d6b38bea7b701654b150d0d043465cefb30c08ad","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-02-05T18:25:07Z","title_canon_sha256":"7524cb55e2c89a6fbaacc78e35eb5e506258bb2f2c7b21187b2efb4dc75846c6"},"schema_version":"1.0","source":{"id":"1402.1118","kind":"arxiv","version":1}},"canonical_sha256":"230a3cf265ea2e526a72386d8a63c8d540df0cabcb027cc7b496cf23d422e62d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"230a3cf265ea2e526a72386d8a63c8d540df0cabcb027cc7b496cf23d422e62d","first_computed_at":"2026-05-18T01:44:47.393356Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:44:47.393356Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UXor/R1y92AK0hrG2jQs3t4snNI6Jp3QhFrBErajmZ5XWyKFttVkdFKec3lCNonx7LgkPdcs4wpzB/C1ysFNBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:44:47.393972Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.1118","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:28e78ff9a2c64b2fcdbdf971ae131d0b52976f0f0d3bce0dcbda4f3b8b05a587","sha256:b3163533f70d2075ec7a21e97b0456428d973f68d977d46ac36814e54cd0ac2c"],"state_sha256":"e8dcebe8cec28b5184802ff73c8cd311babf9a893fcc32277da3815747a18d73"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XMHPIxk4upk/nNuHYPQr9ZINSCYoy7W6S5AK8HBOIFBEuA8lGTN6mjCPq7qmj34v7+8YQOSJmQh/upte+3/qBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T18:34:43.056956Z","bundle_sha256":"98dda9c76d8e70ca340634a9684b237784319c333684983ada1173b9f484c90d"}}