{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:YXYEUCT2R3S2WAXTPUEQIU6IBS","short_pith_number":"pith:YXYEUCT2","canonical_record":{"source":{"id":"1003.4205","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2010-03-22T16:16:12Z","cross_cats_sorted":["nlin.PS","physics.flu-dyn"],"title_canon_sha256":"f51b4dd6989f4ab32093688d6c9b9608bfdae2dfe6ad36d6e94b1f545e6ca014","abstract_canon_sha256":"cbbee174bc17c2595786eb1f8a6c761d1cf5a3cb2d073191c0f0615945a708ee"},"schema_version":"1.0"},"canonical_sha256":"c5f04a0a7a8ee5ab02f37d090453c80cae1ebb18ebe49ee8ed7c77df58216194","source":{"kind":"arxiv","id":"1003.4205","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1003.4205","created_at":"2026-05-18T04:40:46Z"},{"alias_kind":"arxiv_version","alias_value":"1003.4205v2","created_at":"2026-05-18T04:40:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.4205","created_at":"2026-05-18T04:40:46Z"},{"alias_kind":"pith_short_12","alias_value":"YXYEUCT2R3S2","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"YXYEUCT2R3S2WAXT","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"YXYEUCT2","created_at":"2026-05-18T12:26:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:YXYEUCT2R3S2WAXTPUEQIU6IBS","target":"record","payload":{"canonical_record":{"source":{"id":"1003.4205","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2010-03-22T16:16:12Z","cross_cats_sorted":["nlin.PS","physics.flu-dyn"],"title_canon_sha256":"f51b4dd6989f4ab32093688d6c9b9608bfdae2dfe6ad36d6e94b1f545e6ca014","abstract_canon_sha256":"cbbee174bc17c2595786eb1f8a6c761d1cf5a3cb2d073191c0f0615945a708ee"},"schema_version":"1.0"},"canonical_sha256":"c5f04a0a7a8ee5ab02f37d090453c80cae1ebb18ebe49ee8ed7c77df58216194","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:40:46.358311Z","signature_b64":"Bam/XFuNotCFJ5MQ3Ugx+vLA9UK9JqwklfYWqvRNq4lEGhmadmq7Zju8VGi1LSrFgK5iywNf6ZhOSCvRanQ/BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c5f04a0a7a8ee5ab02f37d090453c80cae1ebb18ebe49ee8ed7c77df58216194","last_reissued_at":"2026-05-18T04:40:46.357664Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:40:46.357664Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1003.4205","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":"2026-05-18T04:40:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O+b1qPNxcxG6y2jQ4vw8kTp1XjqqHjrtfX5sPwSGZCPfmj0UJ5ImOZQptfzeZn/DRCmLzSTg3CV5p5C/iV0ADw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T18:04:29.535354Z"},"content_sha256":"e7a19a04ff1f1d607142e746bcc450c90150079d28ac5521637f916d385e13dc","schema_version":"1.0","event_id":"sha256:e7a19a04ff1f1d607142e746bcc450c90150079d28ac5521637f916d385e13dc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:YXYEUCT2R3S2WAXTPUEQIU6IBS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Convection in colloidal suspensions with particle-concentration-dependent viscosity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nlin.PS","physics.flu-dyn"],"primary_cat":"cond-mat.soft","authors_text":"Markus Hilt, Martin Gl\\\"assl, Walter Zimmermann","submitted_at":"2010-03-22T16:16:12Z","abstract_excerpt":"The onset of thermal convection in a horizontal layer of a colloidal suspension is investigated in terms of a continuum model for binary-fluid mixtures where the viscosity depends on the local concentration of colloidal particles. With an increasing difference between the viscosity at the warmer and the colder boundary the threshold of convection is reduced in the range of positive values of the separation ratio psi with the onset of stationary convection as well as in the range of negative values of psi with an oscillatory Hopf bifurcation. Additionally the convection rolls are shifted downwa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.4205","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":"2026-05-18T04:40:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fkHGX7DxYU5p1F1qs4LmCWtz+2cJhlqXAfoFmrOHKeVVp0SacO/xD7d7nE+hhFnV4QcXafUlqGYfLKRR3QjiDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T18:04:29.535711Z"},"content_sha256":"7e13bd473109b7e1daaeb63843383421907b40f3fa0781e057255c35ea0e08af","schema_version":"1.0","event_id":"sha256:7e13bd473109b7e1daaeb63843383421907b40f3fa0781e057255c35ea0e08af"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YXYEUCT2R3S2WAXTPUEQIU6IBS/bundle.json","state_url":"https://pith.science/pith/YXYEUCT2R3S2WAXTPUEQIU6IBS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YXYEUCT2R3S2WAXTPUEQIU6IBS/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":"2026-07-01T18:04:29Z","links":{"resolver":"https://pith.science/pith/YXYEUCT2R3S2WAXTPUEQIU6IBS","bundle":"https://pith.science/pith/YXYEUCT2R3S2WAXTPUEQIU6IBS/bundle.json","state":"https://pith.science/pith/YXYEUCT2R3S2WAXTPUEQIU6IBS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YXYEUCT2R3S2WAXTPUEQIU6IBS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:YXYEUCT2R3S2WAXTPUEQIU6IBS","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":"cbbee174bc17c2595786eb1f8a6c761d1cf5a3cb2d073191c0f0615945a708ee","cross_cats_sorted":["nlin.PS","physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2010-03-22T16:16:12Z","title_canon_sha256":"f51b4dd6989f4ab32093688d6c9b9608bfdae2dfe6ad36d6e94b1f545e6ca014"},"schema_version":"1.0","source":{"id":"1003.4205","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1003.4205","created_at":"2026-05-18T04:40:46Z"},{"alias_kind":"arxiv_version","alias_value":"1003.4205v2","created_at":"2026-05-18T04:40:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.4205","created_at":"2026-05-18T04:40:46Z"},{"alias_kind":"pith_short_12","alias_value":"YXYEUCT2R3S2","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"YXYEUCT2R3S2WAXT","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"YXYEUCT2","created_at":"2026-05-18T12:26:17Z"}],"graph_snapshots":[{"event_id":"sha256:7e13bd473109b7e1daaeb63843383421907b40f3fa0781e057255c35ea0e08af","target":"graph","created_at":"2026-05-18T04:40:46Z","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":"The onset of thermal convection in a horizontal layer of a colloidal suspension is investigated in terms of a continuum model for binary-fluid mixtures where the viscosity depends on the local concentration of colloidal particles. With an increasing difference between the viscosity at the warmer and the colder boundary the threshold of convection is reduced in the range of positive values of the separation ratio psi with the onset of stationary convection as well as in the range of negative values of psi with an oscillatory Hopf bifurcation. Additionally the convection rolls are shifted downwa","authors_text":"Markus Hilt, Martin Gl\\\"assl, Walter Zimmermann","cross_cats":["nlin.PS","physics.flu-dyn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2010-03-22T16:16:12Z","title":"Convection in colloidal suspensions with particle-concentration-dependent viscosity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.4205","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:e7a19a04ff1f1d607142e746bcc450c90150079d28ac5521637f916d385e13dc","target":"record","created_at":"2026-05-18T04:40:46Z","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":"cbbee174bc17c2595786eb1f8a6c761d1cf5a3cb2d073191c0f0615945a708ee","cross_cats_sorted":["nlin.PS","physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2010-03-22T16:16:12Z","title_canon_sha256":"f51b4dd6989f4ab32093688d6c9b9608bfdae2dfe6ad36d6e94b1f545e6ca014"},"schema_version":"1.0","source":{"id":"1003.4205","kind":"arxiv","version":2}},"canonical_sha256":"c5f04a0a7a8ee5ab02f37d090453c80cae1ebb18ebe49ee8ed7c77df58216194","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c5f04a0a7a8ee5ab02f37d090453c80cae1ebb18ebe49ee8ed7c77df58216194","first_computed_at":"2026-05-18T04:40:46.357664Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:40:46.357664Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Bam/XFuNotCFJ5MQ3Ugx+vLA9UK9JqwklfYWqvRNq4lEGhmadmq7Zju8VGi1LSrFgK5iywNf6ZhOSCvRanQ/BA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:40:46.358311Z","signed_message":"canonical_sha256_bytes"},"source_id":"1003.4205","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e7a19a04ff1f1d607142e746bcc450c90150079d28ac5521637f916d385e13dc","sha256:7e13bd473109b7e1daaeb63843383421907b40f3fa0781e057255c35ea0e08af"],"state_sha256":"befe6a73fbc901d80d64b36594018831f15524f91b5cc7441448be47a195645f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7hvonk/uuBut1Ge0DxbJg/ZnauV2JHiG9+1CRrQr45ALz9B1C5U9c1UlPHiyyM8P9/sh0Nfup23ZsExY/zaOAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-01T18:04:29.537601Z","bundle_sha256":"fd3043c1fbf87d19664b4db4c8ef7918bae803354d113d9020baf112c958aa53"}}