{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:WMYDNZ4MQL3HXW2EYYMY5HJ3TN","short_pith_number":"pith:WMYDNZ4M","canonical_record":{"source":{"id":"1702.04802","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2017-02-15T22:24:28Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"e0e5d0f35777bbabd21795bad225d77063179fdffa50995d237a9588ec0a6b06","abstract_canon_sha256":"8d7828ad3e5e5b8e78ca3dbe36f44b1272c84c84fdf5347f7dc126bcd2c5a715"},"schema_version":"1.0"},"canonical_sha256":"b33036e78c82f67bdb44c6198e9d3b9b4db93dd9948bfcee9bf65a30e345d309","source":{"kind":"arxiv","id":"1702.04802","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.04802","created_at":"2026-05-18T00:38:28Z"},{"alias_kind":"arxiv_version","alias_value":"1702.04802v2","created_at":"2026-05-18T00:38:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.04802","created_at":"2026-05-18T00:38:28Z"},{"alias_kind":"pith_short_12","alias_value":"WMYDNZ4MQL3H","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"WMYDNZ4MQL3HXW2E","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"WMYDNZ4M","created_at":"2026-05-18T12:31:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:WMYDNZ4MQL3HXW2EYYMY5HJ3TN","target":"record","payload":{"canonical_record":{"source":{"id":"1702.04802","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2017-02-15T22:24:28Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"e0e5d0f35777bbabd21795bad225d77063179fdffa50995d237a9588ec0a6b06","abstract_canon_sha256":"8d7828ad3e5e5b8e78ca3dbe36f44b1272c84c84fdf5347f7dc126bcd2c5a715"},"schema_version":"1.0"},"canonical_sha256":"b33036e78c82f67bdb44c6198e9d3b9b4db93dd9948bfcee9bf65a30e345d309","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:28.374842Z","signature_b64":"jOZFfH4+BX4SF6StAyVzopSjNkQ/7yuY+mLbTBG+9QRBCt1uNfPjPWXtacv97lKiBwktQi9tMcJrFcjfkXeSDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b33036e78c82f67bdb44c6198e9d3b9b4db93dd9948bfcee9bf65a30e345d309","last_reissued_at":"2026-05-18T00:38:28.374020Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:28.374020Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1702.04802","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":"2026-05-18T00:38:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5nJr1M52UyFrFaACvEkg5sIfZg8/GdjswGIG9QuKcwj6xzrXzSOtzpsV+ubzFkx5HvoqOA9GDUIA0+p92k8jCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T10:50:41.131369Z"},"content_sha256":"ec71535453c87578d752aee50ed273e2de6f20319f83e2e23224c9ff3e2ddf5b","schema_version":"1.0","event_id":"sha256:ec71535453c87578d752aee50ed273e2de6f20319f83e2e23224c9ff3e2ddf5b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:WMYDNZ4MQL3HXW2EYYMY5HJ3TN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A new hybrid numerical scheme for modeling elastodynamics in unbounded media with near-source heterogeneities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"physics.geo-ph","authors_text":"Ahmed Elbanna, Setare Hajaroalsvadi","submitted_at":"2017-02-15T22:24:28Z","abstract_excerpt":"The Finite Difference (FD) and the Spectral Boundary Integral (SBI) methods have been used extensively to model spontaneously propagating shear cracks in a variety of engineering and geophysical applications. In this paper, we propose a new modeling approach, in which these two methods are combined through consistent exchange of boundary tractions and displacements. Benefiting from the flexibility of FD and the efficiency of spectral boundary integral (SBI) methods, the proposed hybrid scheme will solve a wide range of problems in a computationally efficient way. We demonstrate the validity of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.04802","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":"2026-05-18T00:38:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1xmCaiEGtnyFfklDYaEb+TYWVZC0iIH0BWn+2S+vE5zg+/mc9QcmAZVLneOgKpCrFTztv/2smuBpGxLa4BZ3DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T10:50:41.131722Z"},"content_sha256":"6e8243a0c0693357eb944cb501c16e68d9a26c560c3028b7e3ba17d5af65c101","schema_version":"1.0","event_id":"sha256:6e8243a0c0693357eb944cb501c16e68d9a26c560c3028b7e3ba17d5af65c101"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WMYDNZ4MQL3HXW2EYYMY5HJ3TN/bundle.json","state_url":"https://pith.science/pith/WMYDNZ4MQL3HXW2EYYMY5HJ3TN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WMYDNZ4MQL3HXW2EYYMY5HJ3TN/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":"2026-06-09T10:50:41Z","links":{"resolver":"https://pith.science/pith/WMYDNZ4MQL3HXW2EYYMY5HJ3TN","bundle":"https://pith.science/pith/WMYDNZ4MQL3HXW2EYYMY5HJ3TN/bundle.json","state":"https://pith.science/pith/WMYDNZ4MQL3HXW2EYYMY5HJ3TN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WMYDNZ4MQL3HXW2EYYMY5HJ3TN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:WMYDNZ4MQL3HXW2EYYMY5HJ3TN","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":"8d7828ad3e5e5b8e78ca3dbe36f44b1272c84c84fdf5347f7dc126bcd2c5a715","cross_cats_sorted":["physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2017-02-15T22:24:28Z","title_canon_sha256":"e0e5d0f35777bbabd21795bad225d77063179fdffa50995d237a9588ec0a6b06"},"schema_version":"1.0","source":{"id":"1702.04802","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.04802","created_at":"2026-05-18T00:38:28Z"},{"alias_kind":"arxiv_version","alias_value":"1702.04802v2","created_at":"2026-05-18T00:38:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.04802","created_at":"2026-05-18T00:38:28Z"},{"alias_kind":"pith_short_12","alias_value":"WMYDNZ4MQL3H","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"WMYDNZ4MQL3HXW2E","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"WMYDNZ4M","created_at":"2026-05-18T12:31:53Z"}],"graph_snapshots":[{"event_id":"sha256:6e8243a0c0693357eb944cb501c16e68d9a26c560c3028b7e3ba17d5af65c101","target":"graph","created_at":"2026-05-18T00:38:28Z","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 Finite Difference (FD) and the Spectral Boundary Integral (SBI) methods have been used extensively to model spontaneously propagating shear cracks in a variety of engineering and geophysical applications. In this paper, we propose a new modeling approach, in which these two methods are combined through consistent exchange of boundary tractions and displacements. Benefiting from the flexibility of FD and the efficiency of spectral boundary integral (SBI) methods, the proposed hybrid scheme will solve a wide range of problems in a computationally efficient way. We demonstrate the validity of","authors_text":"Ahmed Elbanna, Setare Hajaroalsvadi","cross_cats":["physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2017-02-15T22:24:28Z","title":"A new hybrid numerical scheme for modeling elastodynamics in unbounded media with near-source heterogeneities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.04802","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:ec71535453c87578d752aee50ed273e2de6f20319f83e2e23224c9ff3e2ddf5b","target":"record","created_at":"2026-05-18T00:38:28Z","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":"8d7828ad3e5e5b8e78ca3dbe36f44b1272c84c84fdf5347f7dc126bcd2c5a715","cross_cats_sorted":["physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2017-02-15T22:24:28Z","title_canon_sha256":"e0e5d0f35777bbabd21795bad225d77063179fdffa50995d237a9588ec0a6b06"},"schema_version":"1.0","source":{"id":"1702.04802","kind":"arxiv","version":2}},"canonical_sha256":"b33036e78c82f67bdb44c6198e9d3b9b4db93dd9948bfcee9bf65a30e345d309","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b33036e78c82f67bdb44c6198e9d3b9b4db93dd9948bfcee9bf65a30e345d309","first_computed_at":"2026-05-18T00:38:28.374020Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:38:28.374020Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jOZFfH4+BX4SF6StAyVzopSjNkQ/7yuY+mLbTBG+9QRBCt1uNfPjPWXtacv97lKiBwktQi9tMcJrFcjfkXeSDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:38:28.374842Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.04802","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ec71535453c87578d752aee50ed273e2de6f20319f83e2e23224c9ff3e2ddf5b","sha256:6e8243a0c0693357eb944cb501c16e68d9a26c560c3028b7e3ba17d5af65c101"],"state_sha256":"7f13a1e7d3b172d25e1a76b3c090d8d40bce2ece56aa1e6191a57f0d6d80906f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Cp/SRS3NtzO/dvC0NPTEh7Z0v59jvRete9OchS3WcChVRmHA64GNa+HGlj1ZkDZ1T/8omJqY1Rrje9trqlxGBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T10:50:41.133611Z","bundle_sha256":"4873558dde71aea7cf3356bc6eabf819f6ae5db169b611beb81058a485032be0"}}