{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:HJD6MW7H5UMMSPWD4TI4M2HNNK","short_pith_number":"pith:HJD6MW7H","canonical_record":{"source":{"id":"1905.12761","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2019-04-26T19:14:29Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"30aa9ce6f0a5555f759cad87d2ec17681913bd45e055d65cb6b90d4a549fb3cf","abstract_canon_sha256":"e59af86cbfa57c43a3c9c23367d8ed67b44e87344b56654ed315f2e4eddd6f3c"},"schema_version":"1.0"},"canonical_sha256":"3a47e65be7ed18c93ec3e4d1c668ed6a937c7c41ca319a7aa61bd9e890736bed","source":{"kind":"arxiv","id":"1905.12761","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.12761","created_at":"2026-05-17T23:44:39Z"},{"alias_kind":"arxiv_version","alias_value":"1905.12761v1","created_at":"2026-05-17T23:44:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.12761","created_at":"2026-05-17T23:44:39Z"},{"alias_kind":"pith_short_12","alias_value":"HJD6MW7H5UMM","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"HJD6MW7H5UMMSPWD","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"HJD6MW7H","created_at":"2026-05-18T12:33:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:HJD6MW7H5UMMSPWD4TI4M2HNNK","target":"record","payload":{"canonical_record":{"source":{"id":"1905.12761","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2019-04-26T19:14:29Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"30aa9ce6f0a5555f759cad87d2ec17681913bd45e055d65cb6b90d4a549fb3cf","abstract_canon_sha256":"e59af86cbfa57c43a3c9c23367d8ed67b44e87344b56654ed315f2e4eddd6f3c"},"schema_version":"1.0"},"canonical_sha256":"3a47e65be7ed18c93ec3e4d1c668ed6a937c7c41ca319a7aa61bd9e890736bed","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:44:39.718657Z","signature_b64":"EpnCsX55z7AirWmhrOmDPwJ1v1SjMTZpC5PBTkqL5wckbNKCHeWt/Z2uKnsOvgz7rdm2tBm6cvZ4yDO6P9OdBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3a47e65be7ed18c93ec3e4d1c668ed6a937c7c41ca319a7aa61bd9e890736bed","last_reissued_at":"2026-05-17T23:44:39.718202Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:44:39.718202Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.12761","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":"2026-05-17T23:44:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tA0TeYYtBsCnxoCLTq+iUTXO2RVBYKYd4zxdZbyxc7EWD4UIwzUJlaCTGUV6C/HCl5GPaGuQprcdxOtZOh+uCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T03:56:24.868238Z"},"content_sha256":"3ac6798b08c7286bcf5130d921e293eb0981c5642024fd07fcd660a15d203d1a","schema_version":"1.0","event_id":"sha256:3ac6798b08c7286bcf5130d921e293eb0981c5642024fd07fcd660a15d203d1a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:HJD6MW7H5UMMSPWD4TI4M2HNNK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Anisotropic Two-Dimensional, Plane Strain, and Plane Stress Models in Classical Linear Elasticity and Bond-Based Peridynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"physics.class-ph","authors_text":"Jeremy Trageser, Pablo Seleson","submitted_at":"2019-04-26T19:14:29Z","abstract_excerpt":"This paper concerns anisotropic two-dimensional and planar elasticity models within the frameworks of classical linear elasticity and the bond-based peridynamic theory of solid mechanics. We begin by reviewing corresponding models from the classical theory of linear elasticity. This review includes a new elementary and self-contained proof that there are exactly four material symmetry classes of the elasticity tensor in two dimensions. We also summarize classical plane strain and plane stress linear elastic models and explore their connections to the pure two-dimensional linear elastic model, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.12761","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":"2026-05-17T23:44:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yhpwOMDsQfbRVUEEbVQC+KA5l1LGCat1dn6sotUzrDpvFemPyp8AuWn+1s32X1XB1rZSxhmAchTNSvU5/4wVDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T03:56:24.868951Z"},"content_sha256":"fbe80696515a85bffd36dec9941163231d5f3b68857dc921bf623011d8e54fd5","schema_version":"1.0","event_id":"sha256:fbe80696515a85bffd36dec9941163231d5f3b68857dc921bf623011d8e54fd5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HJD6MW7H5UMMSPWD4TI4M2HNNK/bundle.json","state_url":"https://pith.science/pith/HJD6MW7H5UMMSPWD4TI4M2HNNK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HJD6MW7H5UMMSPWD4TI4M2HNNK/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":"2026-05-27T03:56:24Z","links":{"resolver":"https://pith.science/pith/HJD6MW7H5UMMSPWD4TI4M2HNNK","bundle":"https://pith.science/pith/HJD6MW7H5UMMSPWD4TI4M2HNNK/bundle.json","state":"https://pith.science/pith/HJD6MW7H5UMMSPWD4TI4M2HNNK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HJD6MW7H5UMMSPWD4TI4M2HNNK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:HJD6MW7H5UMMSPWD4TI4M2HNNK","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":"e59af86cbfa57c43a3c9c23367d8ed67b44e87344b56654ed315f2e4eddd6f3c","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2019-04-26T19:14:29Z","title_canon_sha256":"30aa9ce6f0a5555f759cad87d2ec17681913bd45e055d65cb6b90d4a549fb3cf"},"schema_version":"1.0","source":{"id":"1905.12761","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.12761","created_at":"2026-05-17T23:44:39Z"},{"alias_kind":"arxiv_version","alias_value":"1905.12761v1","created_at":"2026-05-17T23:44:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.12761","created_at":"2026-05-17T23:44:39Z"},{"alias_kind":"pith_short_12","alias_value":"HJD6MW7H5UMM","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"HJD6MW7H5UMMSPWD","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"HJD6MW7H","created_at":"2026-05-18T12:33:18Z"}],"graph_snapshots":[{"event_id":"sha256:fbe80696515a85bffd36dec9941163231d5f3b68857dc921bf623011d8e54fd5","target":"graph","created_at":"2026-05-17T23:44:39Z","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 paper concerns anisotropic two-dimensional and planar elasticity models within the frameworks of classical linear elasticity and the bond-based peridynamic theory of solid mechanics. We begin by reviewing corresponding models from the classical theory of linear elasticity. This review includes a new elementary and self-contained proof that there are exactly four material symmetry classes of the elasticity tensor in two dimensions. We also summarize classical plane strain and plane stress linear elastic models and explore their connections to the pure two-dimensional linear elastic model, ","authors_text":"Jeremy Trageser, Pablo Seleson","cross_cats":["cond-mat.soft"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2019-04-26T19:14:29Z","title":"Anisotropic Two-Dimensional, Plane Strain, and Plane Stress Models in Classical Linear Elasticity and Bond-Based Peridynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.12761","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":"sha256:3ac6798b08c7286bcf5130d921e293eb0981c5642024fd07fcd660a15d203d1a","target":"record","created_at":"2026-05-17T23:44:39Z","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":"e59af86cbfa57c43a3c9c23367d8ed67b44e87344b56654ed315f2e4eddd6f3c","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2019-04-26T19:14:29Z","title_canon_sha256":"30aa9ce6f0a5555f759cad87d2ec17681913bd45e055d65cb6b90d4a549fb3cf"},"schema_version":"1.0","source":{"id":"1905.12761","kind":"arxiv","version":1}},"canonical_sha256":"3a47e65be7ed18c93ec3e4d1c668ed6a937c7c41ca319a7aa61bd9e890736bed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3a47e65be7ed18c93ec3e4d1c668ed6a937c7c41ca319a7aa61bd9e890736bed","first_computed_at":"2026-05-17T23:44:39.718202Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:44:39.718202Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EpnCsX55z7AirWmhrOmDPwJ1v1SjMTZpC5PBTkqL5wckbNKCHeWt/Z2uKnsOvgz7rdm2tBm6cvZ4yDO6P9OdBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:44:39.718657Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.12761","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3ac6798b08c7286bcf5130d921e293eb0981c5642024fd07fcd660a15d203d1a","sha256:fbe80696515a85bffd36dec9941163231d5f3b68857dc921bf623011d8e54fd5"],"state_sha256":"efa9c72707a4f1cc2530349615d6ff789c40207bb8c06e5746e5a046fbe34ff8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tPCavuolj++a42g1oyyDTf7YvJACbdi+mi2ov9bJiXc6lDSj6jDfH1myqVHQEzuHQ2cGGOMuVWXsx5DjChNZBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T03:56:24.871588Z","bundle_sha256":"e8aad6943b65fbf5220f73414af5c27d844c4402a57230945d45fdad76f6bcc4"}}