{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:GEXGERXBM25ZQ3A63NAC5A5HPL","short_pith_number":"pith:GEXGERXB","canonical_record":{"source":{"id":"1101.1651","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2011-01-09T16:27:23Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.bio-ph","q-bio.QM"],"title_canon_sha256":"c8f0131dc2a0cddc169591cc0b96c8340efdb1fe54d5cc52a6ea1b5453f3bed1","abstract_canon_sha256":"4937d08472ddd2729dee813c06394de26de9dacd8b5526db505e25f0fd91c00a"},"schema_version":"1.0"},"canonical_sha256":"312e6246e166bb986c1edb402e83a77ad7e043ee1182cb9b8841c764847aeb9b","source":{"kind":"arxiv","id":"1101.1651","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.1651","created_at":"2026-05-18T04:31:50Z"},{"alias_kind":"arxiv_version","alias_value":"1101.1651v2","created_at":"2026-05-18T04:31:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.1651","created_at":"2026-05-18T04:31:50Z"},{"alias_kind":"pith_short_12","alias_value":"GEXGERXBM25Z","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"GEXGERXBM25ZQ3A6","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"GEXGERXB","created_at":"2026-05-18T12:26:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:GEXGERXBM25ZQ3A63NAC5A5HPL","target":"record","payload":{"canonical_record":{"source":{"id":"1101.1651","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2011-01-09T16:27:23Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.bio-ph","q-bio.QM"],"title_canon_sha256":"c8f0131dc2a0cddc169591cc0b96c8340efdb1fe54d5cc52a6ea1b5453f3bed1","abstract_canon_sha256":"4937d08472ddd2729dee813c06394de26de9dacd8b5526db505e25f0fd91c00a"},"schema_version":"1.0"},"canonical_sha256":"312e6246e166bb986c1edb402e83a77ad7e043ee1182cb9b8841c764847aeb9b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:31:50.948065Z","signature_b64":"baHy70twsPoQXeI41ajq0d0fLc2yZmn3vwOEg49SjuvQjd/GpsfHfCkTYr9wpBaKTd1Sa41leR+5+nQZnA9rCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"312e6246e166bb986c1edb402e83a77ad7e043ee1182cb9b8841c764847aeb9b","last_reissued_at":"2026-05-18T04:31:50.947619Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:31:50.947619Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1101.1651","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:31:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pa/ti+mFWMn4oVw2/fU6i7TaQjVRFxE7CA01EHBl6Rx3dRhu2CLVK5sxeJ2PZOww9Cuh2MpylDK9t47uWQ5LAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:57:25.149904Z"},"content_sha256":"551706ea0fd999350c207ad1cc33c1a5f0ce061111a64e714170c6d7b5d627e7","schema_version":"1.0","event_id":"sha256:551706ea0fd999350c207ad1cc33c1a5f0ce061111a64e714170c6d7b5d627e7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:GEXGERXBM25ZQ3A63NAC5A5HPL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Synthesis, characterization, and biological evaluation of gelatin-based scaffolds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","physics.bio-ph","q-bio.QM"],"primary_cat":"cond-mat.soft","authors_text":"Giuseppe Tronci","submitted_at":"2011-01-09T16:27:23Z","abstract_excerpt":"This thesis presents the development of entropy-elastic gelatin based networks in the form of films or scaffolds. The materials have good prospects for biomedical applications, especially in the context of bone regeneration. Entropy-elastic gelatin based hydrogel films with varying crosslinking densities were prepared with tailored mechanical properties. Gelatin was covalently crosslinked in water above its sol gel transition, which suppressed the gelatin chain helicity. Amorphous films were prepared with tailorable degrees of swelling and wet state Young's modulus. The knowledge gained with t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.1651","kind":"arxiv","version":2},"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":"2026-05-18T04:31:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+3HaEFyt+pdHVFdz6E1GVABmMkKJqIWbWQW916HBBSUjggDkbx64Ap94dCUSOdxJ9Jn2Dw0q0Cicd5d8OXvpBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:57:25.150554Z"},"content_sha256":"a897f415bb59f602b52c35eb00ebc6c04824bb903503e3f5f87a39875ada51dc","schema_version":"1.0","event_id":"sha256:a897f415bb59f602b52c35eb00ebc6c04824bb903503e3f5f87a39875ada51dc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GEXGERXBM25ZQ3A63NAC5A5HPL/bundle.json","state_url":"https://pith.science/pith/GEXGERXBM25ZQ3A63NAC5A5HPL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GEXGERXBM25ZQ3A63NAC5A5HPL/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":"2026-05-26T07:57:25Z","links":{"resolver":"https://pith.science/pith/GEXGERXBM25ZQ3A63NAC5A5HPL","bundle":"https://pith.science/pith/GEXGERXBM25ZQ3A63NAC5A5HPL/bundle.json","state":"https://pith.science/pith/GEXGERXBM25ZQ3A63NAC5A5HPL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GEXGERXBM25ZQ3A63NAC5A5HPL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:GEXGERXBM25ZQ3A63NAC5A5HPL","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":"4937d08472ddd2729dee813c06394de26de9dacd8b5526db505e25f0fd91c00a","cross_cats_sorted":["cond-mat.mtrl-sci","physics.bio-ph","q-bio.QM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2011-01-09T16:27:23Z","title_canon_sha256":"c8f0131dc2a0cddc169591cc0b96c8340efdb1fe54d5cc52a6ea1b5453f3bed1"},"schema_version":"1.0","source":{"id":"1101.1651","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.1651","created_at":"2026-05-18T04:31:50Z"},{"alias_kind":"arxiv_version","alias_value":"1101.1651v2","created_at":"2026-05-18T04:31:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.1651","created_at":"2026-05-18T04:31:50Z"},{"alias_kind":"pith_short_12","alias_value":"GEXGERXBM25Z","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"GEXGERXBM25ZQ3A6","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"GEXGERXB","created_at":"2026-05-18T12:26:28Z"}],"graph_snapshots":[{"event_id":"sha256:a897f415bb59f602b52c35eb00ebc6c04824bb903503e3f5f87a39875ada51dc","target":"graph","created_at":"2026-05-18T04:31:50Z","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":"This thesis presents the development of entropy-elastic gelatin based networks in the form of films or scaffolds. The materials have good prospects for biomedical applications, especially in the context of bone regeneration. Entropy-elastic gelatin based hydrogel films with varying crosslinking densities were prepared with tailored mechanical properties. Gelatin was covalently crosslinked in water above its sol gel transition, which suppressed the gelatin chain helicity. Amorphous films were prepared with tailorable degrees of swelling and wet state Young's modulus. The knowledge gained with t","authors_text":"Giuseppe Tronci","cross_cats":["cond-mat.mtrl-sci","physics.bio-ph","q-bio.QM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2011-01-09T16:27:23Z","title":"Synthesis, characterization, and biological evaluation of gelatin-based scaffolds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.1651","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":"sha256:551706ea0fd999350c207ad1cc33c1a5f0ce061111a64e714170c6d7b5d627e7","target":"record","created_at":"2026-05-18T04:31:50Z","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":"4937d08472ddd2729dee813c06394de26de9dacd8b5526db505e25f0fd91c00a","cross_cats_sorted":["cond-mat.mtrl-sci","physics.bio-ph","q-bio.QM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2011-01-09T16:27:23Z","title_canon_sha256":"c8f0131dc2a0cddc169591cc0b96c8340efdb1fe54d5cc52a6ea1b5453f3bed1"},"schema_version":"1.0","source":{"id":"1101.1651","kind":"arxiv","version":2}},"canonical_sha256":"312e6246e166bb986c1edb402e83a77ad7e043ee1182cb9b8841c764847aeb9b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"312e6246e166bb986c1edb402e83a77ad7e043ee1182cb9b8841c764847aeb9b","first_computed_at":"2026-05-18T04:31:50.947619Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:31:50.947619Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"baHy70twsPoQXeI41ajq0d0fLc2yZmn3vwOEg49SjuvQjd/GpsfHfCkTYr9wpBaKTd1Sa41leR+5+nQZnA9rCw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:31:50.948065Z","signed_message":"canonical_sha256_bytes"},"source_id":"1101.1651","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:551706ea0fd999350c207ad1cc33c1a5f0ce061111a64e714170c6d7b5d627e7","sha256:a897f415bb59f602b52c35eb00ebc6c04824bb903503e3f5f87a39875ada51dc"],"state_sha256":"966e21b7cfdb6c620bb6f86b748134ddeb5a35e31590ce448db83c7cfaff5b2d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DVJsgicsHCL+D+3u0vm7m0yz+T+/ArBjfqOJ6NtGJLGyW7MoxXYhvBXDSv+FC2f6IDoGCBW3z2YEzWy9fQW5AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T07:57:25.154040Z","bundle_sha256":"0ab203db624cdfd7ef38925e2288575647fe373b4841f23fd83acc3718f736b7"}}