{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:TVDQM25NQR2B44YGNQGIYNB6GT","short_pith_number":"pith:TVDQM25N","canonical_record":{"source":{"id":"1109.1405","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2011-09-07T09:57:12Z","cross_cats_sorted":[],"title_canon_sha256":"69039008f15ad1abf4fa13b1076ff455206e7cabca8ae330fd66b4eec40ba2da","abstract_canon_sha256":"04491e55606c6ec4023a6a4d876fd2fed901de093e0957906e71991811ace907"},"schema_version":"1.0"},"canonical_sha256":"9d47066bad84741e73066c0c8c343e34ed62813257d7ef03decb46eef90bc51f","source":{"kind":"arxiv","id":"1109.1405","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.1405","created_at":"2026-05-18T02:00:38Z"},{"alias_kind":"arxiv_version","alias_value":"1109.1405v1","created_at":"2026-05-18T02:00:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.1405","created_at":"2026-05-18T02:00:38Z"},{"alias_kind":"pith_short_12","alias_value":"TVDQM25NQR2B","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"TVDQM25NQR2B44YG","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"TVDQM25N","created_at":"2026-05-18T12:26:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:TVDQM25NQR2B44YGNQGIYNB6GT","target":"record","payload":{"canonical_record":{"source":{"id":"1109.1405","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2011-09-07T09:57:12Z","cross_cats_sorted":[],"title_canon_sha256":"69039008f15ad1abf4fa13b1076ff455206e7cabca8ae330fd66b4eec40ba2da","abstract_canon_sha256":"04491e55606c6ec4023a6a4d876fd2fed901de093e0957906e71991811ace907"},"schema_version":"1.0"},"canonical_sha256":"9d47066bad84741e73066c0c8c343e34ed62813257d7ef03decb46eef90bc51f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:38.501220Z","signature_b64":"SefPbf5qd4oof1+kX4m2FtCthiide4Orw6u42avUF/hEKC/zxcEOcjkskCS0+w1mkcGJm8WOYXzkR3jANO3cDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9d47066bad84741e73066c0c8c343e34ed62813257d7ef03decb46eef90bc51f","last_reissued_at":"2026-05-18T02:00:38.500657Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:38.500657Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.1405","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":"2026-05-18T02:00:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A9uVzZpL5irXuuQ+xLiTOnDoM1P/o+1A7YybBym1PFSFHnpvBAbrjOg5XTZtYqTaT+swAoYni9xdYzdSnn0zCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T10:27:59.609644Z"},"content_sha256":"a2a809b928fac95b601b0af582eb86a674c854a5b7a3cf1dce15f1bad3dc1a94","schema_version":"1.0","event_id":"sha256:a2a809b928fac95b601b0af582eb86a674c854a5b7a3cf1dce15f1bad3dc1a94"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:TVDQM25NQR2B44YGNQGIYNB6GT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fluid-fluid demixing curves for colloid-polymer mixtures in a random colloidal matrix","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Andrea Pelissetto, Mario Alberto Annunziata","submitted_at":"2011-09-07T09:57:12Z","abstract_excerpt":"We study fluid-fluid phase separation in a colloid-polymer mixture adsorbed in a colloidal porous matrix close to the \\theta -point. For this purpose we consider the Asakura-Oosawa model in the presence of a quenched matrix of colloidal hard spheres. We study the dependence of the demixing curve on the parameters that characterize the quenched matrix, fixing the polymer-to-colloid size ratio to 0.8. We find that, to a large extent, demixing curves depend only on a single parameter f, which represents the volume fraction which is unavailable to the colloids. We perform Monte Carlo simulations f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.1405","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":"2026-05-18T02:00:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q1Oq37J7ngRD8PSBJLxD8OdqGqP5G4UgCgh8lrKJp2Lnwr4kHU0E0aa5B4hqqy8nCTMC7tYc2zUKsljYzNxTBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T10:27:59.610000Z"},"content_sha256":"ce5c124ceae0203eea7e9252ff80f72042368486a7bc0ce3b81019d4f8a7778a","schema_version":"1.0","event_id":"sha256:ce5c124ceae0203eea7e9252ff80f72042368486a7bc0ce3b81019d4f8a7778a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TVDQM25NQR2B44YGNQGIYNB6GT/bundle.json","state_url":"https://pith.science/pith/TVDQM25NQR2B44YGNQGIYNB6GT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TVDQM25NQR2B44YGNQGIYNB6GT/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":"2026-06-05T10:27:59Z","links":{"resolver":"https://pith.science/pith/TVDQM25NQR2B44YGNQGIYNB6GT","bundle":"https://pith.science/pith/TVDQM25NQR2B44YGNQGIYNB6GT/bundle.json","state":"https://pith.science/pith/TVDQM25NQR2B44YGNQGIYNB6GT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TVDQM25NQR2B44YGNQGIYNB6GT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:TVDQM25NQR2B44YGNQGIYNB6GT","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":"04491e55606c6ec4023a6a4d876fd2fed901de093e0957906e71991811ace907","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2011-09-07T09:57:12Z","title_canon_sha256":"69039008f15ad1abf4fa13b1076ff455206e7cabca8ae330fd66b4eec40ba2da"},"schema_version":"1.0","source":{"id":"1109.1405","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.1405","created_at":"2026-05-18T02:00:38Z"},{"alias_kind":"arxiv_version","alias_value":"1109.1405v1","created_at":"2026-05-18T02:00:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.1405","created_at":"2026-05-18T02:00:38Z"},{"alias_kind":"pith_short_12","alias_value":"TVDQM25NQR2B","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"TVDQM25NQR2B44YG","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"TVDQM25N","created_at":"2026-05-18T12:26:42Z"}],"graph_snapshots":[{"event_id":"sha256:ce5c124ceae0203eea7e9252ff80f72042368486a7bc0ce3b81019d4f8a7778a","target":"graph","created_at":"2026-05-18T02:00:38Z","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":"We study fluid-fluid phase separation in a colloid-polymer mixture adsorbed in a colloidal porous matrix close to the \\theta -point. For this purpose we consider the Asakura-Oosawa model in the presence of a quenched matrix of colloidal hard spheres. We study the dependence of the demixing curve on the parameters that characterize the quenched matrix, fixing the polymer-to-colloid size ratio to 0.8. We find that, to a large extent, demixing curves depend only on a single parameter f, which represents the volume fraction which is unavailable to the colloids. We perform Monte Carlo simulations f","authors_text":"Andrea Pelissetto, Mario Alberto Annunziata","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2011-09-07T09:57:12Z","title":"Fluid-fluid demixing curves for colloid-polymer mixtures in a random colloidal matrix"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.1405","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:a2a809b928fac95b601b0af582eb86a674c854a5b7a3cf1dce15f1bad3dc1a94","target":"record","created_at":"2026-05-18T02:00:38Z","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":"04491e55606c6ec4023a6a4d876fd2fed901de093e0957906e71991811ace907","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2011-09-07T09:57:12Z","title_canon_sha256":"69039008f15ad1abf4fa13b1076ff455206e7cabca8ae330fd66b4eec40ba2da"},"schema_version":"1.0","source":{"id":"1109.1405","kind":"arxiv","version":1}},"canonical_sha256":"9d47066bad84741e73066c0c8c343e34ed62813257d7ef03decb46eef90bc51f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9d47066bad84741e73066c0c8c343e34ed62813257d7ef03decb46eef90bc51f","first_computed_at":"2026-05-18T02:00:38.500657Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:38.500657Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SefPbf5qd4oof1+kX4m2FtCthiide4Orw6u42avUF/hEKC/zxcEOcjkskCS0+w1mkcGJm8WOYXzkR3jANO3cDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:38.501220Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.1405","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a2a809b928fac95b601b0af582eb86a674c854a5b7a3cf1dce15f1bad3dc1a94","sha256:ce5c124ceae0203eea7e9252ff80f72042368486a7bc0ce3b81019d4f8a7778a"],"state_sha256":"38634ca742f433bf89b2ad15af2881a3be3d96805912866e54356e6529faa91a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6S7U/K5aEgba71/4KVIuOCgypkjteJuqoazdzhMvHL6zxKhE1W26zpAiJHWsA0Y/8QVPzRpx9not3s6NtCyIAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T10:27:59.612089Z","bundle_sha256":"ccba47477a021b0beefd469788efcf8be82512bb8b3261b4023fc441bcc83eec"}}