{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:BG4BKZ6IMDZZP4KOTYBC5WL5JH","short_pith_number":"pith:BG4BKZ6I","canonical_record":{"source":{"id":"1907.06990","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2019-07-13T23:22:30Z","cross_cats_sorted":[],"title_canon_sha256":"e3708dbaae6295a3f0b7270a20173477ed63e438aaffa054f018ca8fd6cd90b7","abstract_canon_sha256":"f2a28ee9d978928177b3c82f014a3d7615d90a881b2126017e3054e7b4d7eac9"},"schema_version":"1.0"},"canonical_sha256":"09b81567c860f397f14e9e022ed97d49cef6924145ba0c1d76db610ea3b25ef5","source":{"kind":"arxiv","id":"1907.06990","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.06990","created_at":"2026-05-17T23:40:28Z"},{"alias_kind":"arxiv_version","alias_value":"1907.06990v1","created_at":"2026-05-17T23:40:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.06990","created_at":"2026-05-17T23:40:28Z"},{"alias_kind":"pith_short_12","alias_value":"BG4BKZ6IMDZZ","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"BG4BKZ6IMDZZP4KO","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"BG4BKZ6I","created_at":"2026-05-18T12:33:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:BG4BKZ6IMDZZP4KOTYBC5WL5JH","target":"record","payload":{"canonical_record":{"source":{"id":"1907.06990","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2019-07-13T23:22:30Z","cross_cats_sorted":[],"title_canon_sha256":"e3708dbaae6295a3f0b7270a20173477ed63e438aaffa054f018ca8fd6cd90b7","abstract_canon_sha256":"f2a28ee9d978928177b3c82f014a3d7615d90a881b2126017e3054e7b4d7eac9"},"schema_version":"1.0"},"canonical_sha256":"09b81567c860f397f14e9e022ed97d49cef6924145ba0c1d76db610ea3b25ef5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:40:28.424033Z","signature_b64":"o40ZEt8ToHjuG3nrRkxDWxWdIQ5bZNG9vOf46auuRTxVvaqZdUgEZr+I8Gu/X2cONmRHArMaqUCqCL+s84LeAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"09b81567c860f397f14e9e022ed97d49cef6924145ba0c1d76db610ea3b25ef5","last_reissued_at":"2026-05-17T23:40:28.423511Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:40:28.423511Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.06990","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":"2026-05-17T23:40:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EsYqC12QKQVp90WnTZOs/0tDlH/hx7ppCQm5INFhpvVO30voa/ywNR2r0ZR5vM8t8yNZUxQE+7b3qOMIM4hqAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T10:54:25.858531Z"},"content_sha256":"48da3ced220f1722e877de0f516d7a43c78b7ea737feb13718f6a8409003b8af","schema_version":"1.0","event_id":"sha256:48da3ced220f1722e877de0f516d7a43c78b7ea737feb13718f6a8409003b8af"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:BG4BKZ6IMDZZP4KOTYBC5WL5JH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A stabilized total-Lagrangian SPH method for large deformation and failure in geomaterials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CE","authors_text":"Chong Peng, Md Rushdie Ibne Islam","submitted_at":"2019-07-13T23:22:30Z","abstract_excerpt":"Conventional smoothed particle hydrodynamics based on Eulerian kernels (CESPH) is widely-used in large deformation analysis in geomaterials. Despite being popular, it suffers from tensile instability and rank-deficiency; thus, it needs several numerical treatments to be stable. In this work, we present a stabilized total-Lagrangian SPH method (TLSPH), which is inherently free of tensile instability. A stiffness-based hourglass control algorithm is employed to cure the hourglass mode caused by rank-deficiency. Periodic update of reference configuration is used in simulations to allow TLSPH to m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.06990","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":"2026-05-17T23:40:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eTIrSCKdSIte2r1BwqXKDTkEZTkncantWpYf/ZUSjUO3Ms9DPby5Rks/gUhy3u1SBYW1ybufW6iMzUr1tvTXDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T10:54:25.858879Z"},"content_sha256":"d2b773fe16dc9d30a6f9d2c8a53415500bea44a97a272a63a7fedeffab813556","schema_version":"1.0","event_id":"sha256:d2b773fe16dc9d30a6f9d2c8a53415500bea44a97a272a63a7fedeffab813556"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BG4BKZ6IMDZZP4KOTYBC5WL5JH/bundle.json","state_url":"https://pith.science/pith/BG4BKZ6IMDZZP4KOTYBC5WL5JH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BG4BKZ6IMDZZP4KOTYBC5WL5JH/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":"2026-06-11T10:54:25Z","links":{"resolver":"https://pith.science/pith/BG4BKZ6IMDZZP4KOTYBC5WL5JH","bundle":"https://pith.science/pith/BG4BKZ6IMDZZP4KOTYBC5WL5JH/bundle.json","state":"https://pith.science/pith/BG4BKZ6IMDZZP4KOTYBC5WL5JH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BG4BKZ6IMDZZP4KOTYBC5WL5JH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:BG4BKZ6IMDZZP4KOTYBC5WL5JH","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":"f2a28ee9d978928177b3c82f014a3d7615d90a881b2126017e3054e7b4d7eac9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2019-07-13T23:22:30Z","title_canon_sha256":"e3708dbaae6295a3f0b7270a20173477ed63e438aaffa054f018ca8fd6cd90b7"},"schema_version":"1.0","source":{"id":"1907.06990","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.06990","created_at":"2026-05-17T23:40:28Z"},{"alias_kind":"arxiv_version","alias_value":"1907.06990v1","created_at":"2026-05-17T23:40:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.06990","created_at":"2026-05-17T23:40:28Z"},{"alias_kind":"pith_short_12","alias_value":"BG4BKZ6IMDZZ","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"BG4BKZ6IMDZZP4KO","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"BG4BKZ6I","created_at":"2026-05-18T12:33:12Z"}],"graph_snapshots":[{"event_id":"sha256:d2b773fe16dc9d30a6f9d2c8a53415500bea44a97a272a63a7fedeffab813556","target":"graph","created_at":"2026-05-17T23:40:28Z","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":"Conventional smoothed particle hydrodynamics based on Eulerian kernels (CESPH) is widely-used in large deformation analysis in geomaterials. Despite being popular, it suffers from tensile instability and rank-deficiency; thus, it needs several numerical treatments to be stable. In this work, we present a stabilized total-Lagrangian SPH method (TLSPH), which is inherently free of tensile instability. A stiffness-based hourglass control algorithm is employed to cure the hourglass mode caused by rank-deficiency. Periodic update of reference configuration is used in simulations to allow TLSPH to m","authors_text":"Chong Peng, Md Rushdie Ibne Islam","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2019-07-13T23:22:30Z","title":"A stabilized total-Lagrangian SPH method for large deformation and failure in geomaterials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.06990","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":"sha256:48da3ced220f1722e877de0f516d7a43c78b7ea737feb13718f6a8409003b8af","target":"record","created_at":"2026-05-17T23:40:28Z","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":"f2a28ee9d978928177b3c82f014a3d7615d90a881b2126017e3054e7b4d7eac9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2019-07-13T23:22:30Z","title_canon_sha256":"e3708dbaae6295a3f0b7270a20173477ed63e438aaffa054f018ca8fd6cd90b7"},"schema_version":"1.0","source":{"id":"1907.06990","kind":"arxiv","version":1}},"canonical_sha256":"09b81567c860f397f14e9e022ed97d49cef6924145ba0c1d76db610ea3b25ef5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"09b81567c860f397f14e9e022ed97d49cef6924145ba0c1d76db610ea3b25ef5","first_computed_at":"2026-05-17T23:40:28.423511Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:40:28.423511Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o40ZEt8ToHjuG3nrRkxDWxWdIQ5bZNG9vOf46auuRTxVvaqZdUgEZr+I8Gu/X2cONmRHArMaqUCqCL+s84LeAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:40:28.424033Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.06990","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:48da3ced220f1722e877de0f516d7a43c78b7ea737feb13718f6a8409003b8af","sha256:d2b773fe16dc9d30a6f9d2c8a53415500bea44a97a272a63a7fedeffab813556"],"state_sha256":"2b387953d387399deca25b2550bec759affd851ba09a416bd3517a683c004fc7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4lhvX+gTY5EN/l7p5d0sgC4sekP4FBbLd56MruUAN2nka3UPHKmzuk/YbD0IxDsaObh6ebPpgdqdNTYq2cpdAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T10:54:25.860813Z","bundle_sha256":"a6f75a7bb08a5116fcc3ab6f138f282d23b109c546801f2f7c66a2ecbb57e61a"}}