{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:RUWXCK7M2QSQEFOPP5V7RXIU67","short_pith_number":"pith:RUWXCK7M","canonical_record":{"source":{"id":"1610.07151","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-10-23T11:30:46Z","cross_cats_sorted":["physics.bio-ph","physics.chem-ph"],"title_canon_sha256":"69454edff507e1032d5f3784dcd53272cd1ff7c505f95ba965d03376a585cf38","abstract_canon_sha256":"ebf40566c48845c6ebff0cb0df93dcfe5043811e6674a151e2c1deb21e4a6b15"},"schema_version":"1.0"},"canonical_sha256":"8d2d712becd4250215cf7f6bf8dd14f7eff998025ab007be6299baec594a12a4","source":{"kind":"arxiv","id":"1610.07151","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.07151","created_at":"2026-05-18T01:01:30Z"},{"alias_kind":"arxiv_version","alias_value":"1610.07151v1","created_at":"2026-05-18T01:01:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.07151","created_at":"2026-05-18T01:01:30Z"},{"alias_kind":"pith_short_12","alias_value":"RUWXCK7M2QSQ","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_16","alias_value":"RUWXCK7M2QSQEFOP","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_8","alias_value":"RUWXCK7M","created_at":"2026-05-18T12:30:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:RUWXCK7M2QSQEFOPP5V7RXIU67","target":"record","payload":{"canonical_record":{"source":{"id":"1610.07151","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-10-23T11:30:46Z","cross_cats_sorted":["physics.bio-ph","physics.chem-ph"],"title_canon_sha256":"69454edff507e1032d5f3784dcd53272cd1ff7c505f95ba965d03376a585cf38","abstract_canon_sha256":"ebf40566c48845c6ebff0cb0df93dcfe5043811e6674a151e2c1deb21e4a6b15"},"schema_version":"1.0"},"canonical_sha256":"8d2d712becd4250215cf7f6bf8dd14f7eff998025ab007be6299baec594a12a4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:01:30.630128Z","signature_b64":"o7i3207knl5XyT9zjxMPG/glIAhhO3F3MnB2LdUf1h46yZZVHCFxtKxnmOdcXyA6e1NBaKcDgUG3eCR9z7sMBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8d2d712becd4250215cf7f6bf8dd14f7eff998025ab007be6299baec594a12a4","last_reissued_at":"2026-05-18T01:01:30.629614Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:01:30.629614Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.07151","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":"2026-05-18T01:01:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wdSvA3lV7k81l9z8PYhyIbyFk9C6VaRXfjoKYwBYJf7CcUMBwErfTdCmhADmaNGbq+ypFsOWW+KiXL/uDN/CCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:08:15.022267Z"},"content_sha256":"5271dfaeadca046e7f99517540a54f38ad8172e663072956cac1bf3635249034","schema_version":"1.0","event_id":"sha256:5271dfaeadca046e7f99517540a54f38ad8172e663072956cac1bf3635249034"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:RUWXCK7M2QSQEFOPP5V7RXIU67","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"In silico modeling of the rheological properties of covalently crosslinked collagen triple helices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.bio-ph","physics.chem-ph"],"primary_cat":"cond-mat.soft","authors_text":"David A. Head, David J. Wood, Giuseppe Tronci, Stephen J. Russell","submitted_at":"2016-10-23T11:30:46Z","abstract_excerpt":"Biomimetic hydrogels based on natural polymers are a promising class of biomaterial, mimicking the natural extra-cellular matrix of biological tissues and providing cues for cell attachment, proliferation and differentiation. With a view to providing an upstream method to guide subsequent experimental design, the aim of this study was to introduce a mathematical model that described the rheological properties of a hydrogel system based on covalently crosslinked collagen triple helices. In light of their organization, such gels exhibit limited collagen bundling that cannot be described by exist"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.07151","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":"2026-05-18T01:01:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qAMGoz1sV9rYx1HJSKZ3WPQv6Plls2/ykmz8i3BzYEKMn3II9egt9oqID2Vp4x32aK6jm2eLY2HQ424ROpyxAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:08:15.022857Z"},"content_sha256":"f00016fec31484edbce383e4f34b2bacdb3152e59dd3deb93e22b7e6e1e44c8d","schema_version":"1.0","event_id":"sha256:f00016fec31484edbce383e4f34b2bacdb3152e59dd3deb93e22b7e6e1e44c8d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RUWXCK7M2QSQEFOPP5V7RXIU67/bundle.json","state_url":"https://pith.science/pith/RUWXCK7M2QSQEFOPP5V7RXIU67/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RUWXCK7M2QSQEFOPP5V7RXIU67/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":"2026-05-27T00:08:15Z","links":{"resolver":"https://pith.science/pith/RUWXCK7M2QSQEFOPP5V7RXIU67","bundle":"https://pith.science/pith/RUWXCK7M2QSQEFOPP5V7RXIU67/bundle.json","state":"https://pith.science/pith/RUWXCK7M2QSQEFOPP5V7RXIU67/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RUWXCK7M2QSQEFOPP5V7RXIU67/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:RUWXCK7M2QSQEFOPP5V7RXIU67","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":"ebf40566c48845c6ebff0cb0df93dcfe5043811e6674a151e2c1deb21e4a6b15","cross_cats_sorted":["physics.bio-ph","physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-10-23T11:30:46Z","title_canon_sha256":"69454edff507e1032d5f3784dcd53272cd1ff7c505f95ba965d03376a585cf38"},"schema_version":"1.0","source":{"id":"1610.07151","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.07151","created_at":"2026-05-18T01:01:30Z"},{"alias_kind":"arxiv_version","alias_value":"1610.07151v1","created_at":"2026-05-18T01:01:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.07151","created_at":"2026-05-18T01:01:30Z"},{"alias_kind":"pith_short_12","alias_value":"RUWXCK7M2QSQ","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_16","alias_value":"RUWXCK7M2QSQEFOP","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_8","alias_value":"RUWXCK7M","created_at":"2026-05-18T12:30:41Z"}],"graph_snapshots":[{"event_id":"sha256:f00016fec31484edbce383e4f34b2bacdb3152e59dd3deb93e22b7e6e1e44c8d","target":"graph","created_at":"2026-05-18T01:01:30Z","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":"Biomimetic hydrogels based on natural polymers are a promising class of biomaterial, mimicking the natural extra-cellular matrix of biological tissues and providing cues for cell attachment, proliferation and differentiation. With a view to providing an upstream method to guide subsequent experimental design, the aim of this study was to introduce a mathematical model that described the rheological properties of a hydrogel system based on covalently crosslinked collagen triple helices. In light of their organization, such gels exhibit limited collagen bundling that cannot be described by exist","authors_text":"David A. Head, David J. Wood, Giuseppe Tronci, Stephen J. Russell","cross_cats":["physics.bio-ph","physics.chem-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-10-23T11:30:46Z","title":"In silico modeling of the rheological properties of covalently crosslinked collagen triple helices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.07151","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":"sha256:5271dfaeadca046e7f99517540a54f38ad8172e663072956cac1bf3635249034","target":"record","created_at":"2026-05-18T01:01:30Z","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":"ebf40566c48845c6ebff0cb0df93dcfe5043811e6674a151e2c1deb21e4a6b15","cross_cats_sorted":["physics.bio-ph","physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-10-23T11:30:46Z","title_canon_sha256":"69454edff507e1032d5f3784dcd53272cd1ff7c505f95ba965d03376a585cf38"},"schema_version":"1.0","source":{"id":"1610.07151","kind":"arxiv","version":1}},"canonical_sha256":"8d2d712becd4250215cf7f6bf8dd14f7eff998025ab007be6299baec594a12a4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8d2d712becd4250215cf7f6bf8dd14f7eff998025ab007be6299baec594a12a4","first_computed_at":"2026-05-18T01:01:30.629614Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:01:30.629614Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o7i3207knl5XyT9zjxMPG/glIAhhO3F3MnB2LdUf1h46yZZVHCFxtKxnmOdcXyA6e1NBaKcDgUG3eCR9z7sMBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:01:30.630128Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.07151","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5271dfaeadca046e7f99517540a54f38ad8172e663072956cac1bf3635249034","sha256:f00016fec31484edbce383e4f34b2bacdb3152e59dd3deb93e22b7e6e1e44c8d"],"state_sha256":"3145b2e87ca5dfe25abce75cc7f22cc79105195fca42a202c55c4370b15f6741"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Lc5j/PjLEBLlpejcekooDz0InSA2rQUnxHaODKLRlmtOTSmAgViGCzsR7AWbl6WXnj+R9AE83YfP65arK14fCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T00:08:15.026124Z","bundle_sha256":"d82866d5a224ea781b1f8ed3bdf09bc253777216ba563071a28729cb275f298a"}}