{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:N7E2KOJLFPN5FN6WY5M36AKCXI","short_pith_number":"pith:N7E2KOJL","canonical_record":{"source":{"id":"1810.10079","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-10-23T20:32:25Z","cross_cats_sorted":[],"title_canon_sha256":"ea98ad863e1cd9bb77251a10cd063e5fcc0128211bc56743c5f11965fc184a20","abstract_canon_sha256":"a54d642592bde1ca67864cccf930e4f6052be9b46383e8635137e5bfc14e164e"},"schema_version":"1.0"},"canonical_sha256":"6fc9a5392b2bdbd2b7d6c759bf0142ba0e4307bb8ca9ac0ef18846932f5a83b8","source":{"kind":"arxiv","id":"1810.10079","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.10079","created_at":"2026-05-17T23:47:44Z"},{"alias_kind":"arxiv_version","alias_value":"1810.10079v1","created_at":"2026-05-17T23:47:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.10079","created_at":"2026-05-17T23:47:44Z"},{"alias_kind":"pith_short_12","alias_value":"N7E2KOJLFPN5","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"N7E2KOJLFPN5FN6W","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"N7E2KOJL","created_at":"2026-05-18T12:32:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:N7E2KOJLFPN5FN6WY5M36AKCXI","target":"record","payload":{"canonical_record":{"source":{"id":"1810.10079","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-10-23T20:32:25Z","cross_cats_sorted":[],"title_canon_sha256":"ea98ad863e1cd9bb77251a10cd063e5fcc0128211bc56743c5f11965fc184a20","abstract_canon_sha256":"a54d642592bde1ca67864cccf930e4f6052be9b46383e8635137e5bfc14e164e"},"schema_version":"1.0"},"canonical_sha256":"6fc9a5392b2bdbd2b7d6c759bf0142ba0e4307bb8ca9ac0ef18846932f5a83b8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:44.097786Z","signature_b64":"PVIeul+bVUh3wvRGB0IRBN2h0HhoMuZTg4cJsilzRDgUVJ89ENd+CFXFNESQBWjdSfoWBqAYBuqUXGeHFm7LCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6fc9a5392b2bdbd2b7d6c759bf0142ba0e4307bb8ca9ac0ef18846932f5a83b8","last_reissued_at":"2026-05-17T23:47:44.097166Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:44.097166Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.10079","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":"2026-05-17T23:47:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eGoBXfmAXDdIU6VDn+w/VxRaLDFC3TUF/OonaXLOBOanu9XSHrhKJ3QDTpANAuZWZveLJUdq/D+UM9blNkZ3Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T04:48:16.920597Z"},"content_sha256":"bf99a5827af89bffd4e478ea6f64cc1acfe2845c3ebd96837066f357b41a1c17","schema_version":"1.0","event_id":"sha256:bf99a5827af89bffd4e478ea6f64cc1acfe2845c3ebd96837066f357b41a1c17"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:N7E2KOJLFPN5FN6WY5M36AKCXI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Harnessing entropy to enhance toughness in reversibly crosslinked polymer networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Cornelis Storm, Costantino Creton, Nicholas B. Tito, Wouter G. Ellenbroek","submitted_at":"2018-10-23T20:32:25Z","abstract_excerpt":"Reversible crosslinking is a design paradigm for polymeric materials, wherein they are microscopically reinforced with chemical species that form transient crosslinks between the polymer chains. Besides the potential for self-healing, recent experimental work suggests that freely diffusing reversible crosslinks in polymer networks, such as gels, can enhance the toughness of the material without substantial change in elasticity. This presents the opportunity for making highly elastic materials that can be strained to a large extent before rupturing. Here, we employ Gaussian chain theory, molecu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.10079","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":"2026-05-17T23:47:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"onGqd8mTWUKlykcOIoff4TELquIWGMDkJJTzO59aIFJlLJxXkuxb4SvvVpp4/Svb7ZTbkfTFWtPFdfnAzAocAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T04:48:16.920945Z"},"content_sha256":"0d5df71c6088d8fcd7535efb7acc6e1202f63ac6d4b65a0e12a38421327f11c6","schema_version":"1.0","event_id":"sha256:0d5df71c6088d8fcd7535efb7acc6e1202f63ac6d4b65a0e12a38421327f11c6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N7E2KOJLFPN5FN6WY5M36AKCXI/bundle.json","state_url":"https://pith.science/pith/N7E2KOJLFPN5FN6WY5M36AKCXI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N7E2KOJLFPN5FN6WY5M36AKCXI/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":"2026-06-04T04:48:16Z","links":{"resolver":"https://pith.science/pith/N7E2KOJLFPN5FN6WY5M36AKCXI","bundle":"https://pith.science/pith/N7E2KOJLFPN5FN6WY5M36AKCXI/bundle.json","state":"https://pith.science/pith/N7E2KOJLFPN5FN6WY5M36AKCXI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N7E2KOJLFPN5FN6WY5M36AKCXI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:N7E2KOJLFPN5FN6WY5M36AKCXI","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":"a54d642592bde1ca67864cccf930e4f6052be9b46383e8635137e5bfc14e164e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-10-23T20:32:25Z","title_canon_sha256":"ea98ad863e1cd9bb77251a10cd063e5fcc0128211bc56743c5f11965fc184a20"},"schema_version":"1.0","source":{"id":"1810.10079","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.10079","created_at":"2026-05-17T23:47:44Z"},{"alias_kind":"arxiv_version","alias_value":"1810.10079v1","created_at":"2026-05-17T23:47:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.10079","created_at":"2026-05-17T23:47:44Z"},{"alias_kind":"pith_short_12","alias_value":"N7E2KOJLFPN5","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"N7E2KOJLFPN5FN6W","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"N7E2KOJL","created_at":"2026-05-18T12:32:40Z"}],"graph_snapshots":[{"event_id":"sha256:0d5df71c6088d8fcd7535efb7acc6e1202f63ac6d4b65a0e12a38421327f11c6","target":"graph","created_at":"2026-05-17T23:47:44Z","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":"Reversible crosslinking is a design paradigm for polymeric materials, wherein they are microscopically reinforced with chemical species that form transient crosslinks between the polymer chains. Besides the potential for self-healing, recent experimental work suggests that freely diffusing reversible crosslinks in polymer networks, such as gels, can enhance the toughness of the material without substantial change in elasticity. This presents the opportunity for making highly elastic materials that can be strained to a large extent before rupturing. Here, we employ Gaussian chain theory, molecu","authors_text":"Cornelis Storm, Costantino Creton, Nicholas B. Tito, Wouter G. Ellenbroek","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-10-23T20:32:25Z","title":"Harnessing entropy to enhance toughness in reversibly crosslinked polymer networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.10079","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:bf99a5827af89bffd4e478ea6f64cc1acfe2845c3ebd96837066f357b41a1c17","target":"record","created_at":"2026-05-17T23:47:44Z","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":"a54d642592bde1ca67864cccf930e4f6052be9b46383e8635137e5bfc14e164e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-10-23T20:32:25Z","title_canon_sha256":"ea98ad863e1cd9bb77251a10cd063e5fcc0128211bc56743c5f11965fc184a20"},"schema_version":"1.0","source":{"id":"1810.10079","kind":"arxiv","version":1}},"canonical_sha256":"6fc9a5392b2bdbd2b7d6c759bf0142ba0e4307bb8ca9ac0ef18846932f5a83b8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6fc9a5392b2bdbd2b7d6c759bf0142ba0e4307bb8ca9ac0ef18846932f5a83b8","first_computed_at":"2026-05-17T23:47:44.097166Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:44.097166Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PVIeul+bVUh3wvRGB0IRBN2h0HhoMuZTg4cJsilzRDgUVJ89ENd+CFXFNESQBWjdSfoWBqAYBuqUXGeHFm7LCw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:44.097786Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.10079","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bf99a5827af89bffd4e478ea6f64cc1acfe2845c3ebd96837066f357b41a1c17","sha256:0d5df71c6088d8fcd7535efb7acc6e1202f63ac6d4b65a0e12a38421327f11c6"],"state_sha256":"3ffab3249937b90c8e6544c89842fd4c21c00e00540e3286169846363e2c0fe3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nDlbwsCDVB8OQtVZ+dwFEqs0WJINe4ESrS3rUhzbpcYmN2Jn8mnl/zrR25YR/SGH7tMyjaprnkQ5J2NVTG94Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T04:48:16.923276Z","bundle_sha256":"ffb155a2a7be48c95c950f8eb9af1e989d899f077a70e2ed31987fc277e5fea3"}}