{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:4LEIPGIM4OTVMKEOQBGNEX5WTE","short_pith_number":"pith:4LEIPGIM","canonical_record":{"source":{"id":"1811.11278","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-11-22T20:21:58Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"7bd77f75518497af17a0291ecca55b4003960f9894ca3cb7a81c712c693bd5e6","abstract_canon_sha256":"2bdb40f92b546068fa73ca26c560dc3f5ff2b14ff995235f1dd254af297191dd"},"schema_version":"1.0"},"canonical_sha256":"e2c887990ce3a756288e804cd25fb699224e31137740ea52396ff24d68c02d95","source":{"kind":"arxiv","id":"1811.11278","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.11278","created_at":"2026-05-17T23:59:44Z"},{"alias_kind":"arxiv_version","alias_value":"1811.11278v1","created_at":"2026-05-17T23:59:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.11278","created_at":"2026-05-17T23:59:44Z"},{"alias_kind":"pith_short_12","alias_value":"4LEIPGIM4OTV","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4LEIPGIM4OTVMKEO","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4LEIPGIM","created_at":"2026-05-18T12:32:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:4LEIPGIM4OTVMKEOQBGNEX5WTE","target":"record","payload":{"canonical_record":{"source":{"id":"1811.11278","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-11-22T20:21:58Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"7bd77f75518497af17a0291ecca55b4003960f9894ca3cb7a81c712c693bd5e6","abstract_canon_sha256":"2bdb40f92b546068fa73ca26c560dc3f5ff2b14ff995235f1dd254af297191dd"},"schema_version":"1.0"},"canonical_sha256":"e2c887990ce3a756288e804cd25fb699224e31137740ea52396ff24d68c02d95","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:59:44.311303Z","signature_b64":"B9hwBlxl6q15W6tPE/dD8q9nSBB4o26Heneaw84duZO6Ow4asRql0ggj69QO+0VG4hwzMTXSGytyWw7FRkp2DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e2c887990ce3a756288e804cd25fb699224e31137740ea52396ff24d68c02d95","last_reissued_at":"2026-05-17T23:59:44.310744Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:59:44.310744Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.11278","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":"2026-05-17T23:59:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tltrfcCZPOYbwXXVtUnR8HBdjph/2j4W3OVVXD0yX3WR4FfDMpA0h1KyvSFeljMnGjjEkFEnJnDWmKTOQF7ZDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T17:37:45.265160Z"},"content_sha256":"0bc8d4e6d2ee6c2461d444a89b256be25246822d52516859a4c9db683c8ccca2","schema_version":"1.0","event_id":"sha256:0bc8d4e6d2ee6c2461d444a89b256be25246822d52516859a4c9db683c8ccca2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:4LEIPGIM4OTVMKEOQBGNEX5WTE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thermal effects on nonlinear acceleration waves in the Biot theory of porous media","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn"],"primary_cat":"cond-mat.soft","authors_text":"Brian Straughan, Vincenzo Tibullo","submitted_at":"2018-11-22T20:21:58Z","abstract_excerpt":"We generalize a theory of Biot for a porous solid based on nonlinear elasticity theory to incorporate temperature effects. Acceleration waves are studied in detail in the fully nonlinear theory. The wavespeeds are found explicitly and the amplitudes are then determined. The possibility of shock formation is discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.11278","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":"2026-05-17T23:59:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V0uqYTTQGcRbiOswy21nSI7Q7DcCPve+j1eor7kDLYCO1APHLRYkKQYApirMR7FGS2Dd/Kjg66n7kUo+pBqGAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T17:37:45.265662Z"},"content_sha256":"a29b2f5e8fe1c18ecbb5eea5d1e0d19325f779b45017917750451f6ce1f8a8f8","schema_version":"1.0","event_id":"sha256:a29b2f5e8fe1c18ecbb5eea5d1e0d19325f779b45017917750451f6ce1f8a8f8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4LEIPGIM4OTVMKEOQBGNEX5WTE/bundle.json","state_url":"https://pith.science/pith/4LEIPGIM4OTVMKEOQBGNEX5WTE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4LEIPGIM4OTVMKEOQBGNEX5WTE/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":"2026-08-07T17:37:45Z","links":{"resolver":"https://pith.science/pith/4LEIPGIM4OTVMKEOQBGNEX5WTE","bundle":"https://pith.science/pith/4LEIPGIM4OTVMKEOQBGNEX5WTE/bundle.json","state":"https://pith.science/pith/4LEIPGIM4OTVMKEOQBGNEX5WTE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4LEIPGIM4OTVMKEOQBGNEX5WTE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:4LEIPGIM4OTVMKEOQBGNEX5WTE","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":"2bdb40f92b546068fa73ca26c560dc3f5ff2b14ff995235f1dd254af297191dd","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-11-22T20:21:58Z","title_canon_sha256":"7bd77f75518497af17a0291ecca55b4003960f9894ca3cb7a81c712c693bd5e6"},"schema_version":"1.0","source":{"id":"1811.11278","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.11278","created_at":"2026-05-17T23:59:44Z"},{"alias_kind":"arxiv_version","alias_value":"1811.11278v1","created_at":"2026-05-17T23:59:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.11278","created_at":"2026-05-17T23:59:44Z"},{"alias_kind":"pith_short_12","alias_value":"4LEIPGIM4OTV","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4LEIPGIM4OTVMKEO","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4LEIPGIM","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:a29b2f5e8fe1c18ecbb5eea5d1e0d19325f779b45017917750451f6ce1f8a8f8","target":"graph","created_at":"2026-05-17T23:59:44Z","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":"We generalize a theory of Biot for a porous solid based on nonlinear elasticity theory to incorporate temperature effects. Acceleration waves are studied in detail in the fully nonlinear theory. The wavespeeds are found explicitly and the amplitudes are then determined. The possibility of shock formation is discussed.","authors_text":"Brian Straughan, Vincenzo Tibullo","cross_cats":["physics.flu-dyn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-11-22T20:21:58Z","title":"Thermal effects on nonlinear acceleration waves in the Biot theory of porous media"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.11278","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":"sha256:0bc8d4e6d2ee6c2461d444a89b256be25246822d52516859a4c9db683c8ccca2","target":"record","created_at":"2026-05-17T23:59:44Z","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":"2bdb40f92b546068fa73ca26c560dc3f5ff2b14ff995235f1dd254af297191dd","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-11-22T20:21:58Z","title_canon_sha256":"7bd77f75518497af17a0291ecca55b4003960f9894ca3cb7a81c712c693bd5e6"},"schema_version":"1.0","source":{"id":"1811.11278","kind":"arxiv","version":1}},"canonical_sha256":"e2c887990ce3a756288e804cd25fb699224e31137740ea52396ff24d68c02d95","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e2c887990ce3a756288e804cd25fb699224e31137740ea52396ff24d68c02d95","first_computed_at":"2026-05-17T23:59:44.310744Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:59:44.310744Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"B9hwBlxl6q15W6tPE/dD8q9nSBB4o26Heneaw84duZO6Ow4asRql0ggj69QO+0VG4hwzMTXSGytyWw7FRkp2DQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:59:44.311303Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.11278","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0bc8d4e6d2ee6c2461d444a89b256be25246822d52516859a4c9db683c8ccca2","sha256:a29b2f5e8fe1c18ecbb5eea5d1e0d19325f779b45017917750451f6ce1f8a8f8"],"state_sha256":"31a82c1808de87c04e4735fd30822553572b23e37803b548b3e437703f95927e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D8LGysZiMwrXAckqmpiLxv/F9tOsTUmF9n5qNn06Ky3n0u93pNvffYDM9ittFyNxSvzq49YawNN/+2jTMqUSDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T17:37:45.270111Z","bundle_sha256":"f04edfef381e0993a9e3cd24646754cdfbc4420691dcf793bb326267695a1b1f"}}