{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:2F6DFARX7RNSUXRJ7NHVYRAEE4","short_pith_number":"pith:2F6DFARX","canonical_record":{"source":{"id":"2006.03617","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2020-06-05T18:11:53Z","cross_cats_sorted":[],"title_canon_sha256":"3e1f329fcc913303607f3918d8b8da1c3b0eda0eabd2f9232e2b30c289c11947","abstract_canon_sha256":"d120fcf174fd287d0d77e4c161ebd290d8fd442d0ecb50451dd458d52907204c"},"schema_version":"1.0"},"canonical_sha256":"d17c328237fc5b2a5e29fb4f5c4404272352d1a2e406a310e00ec9ea24de243f","source":{"kind":"arxiv","id":"2006.03617","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.03617","created_at":"2026-07-05T01:22:19Z"},{"alias_kind":"arxiv_version","alias_value":"2006.03617v2","created_at":"2026-07-05T01:22:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.03617","created_at":"2026-07-05T01:22:19Z"},{"alias_kind":"pith_short_12","alias_value":"2F6DFARX7RNS","created_at":"2026-07-05T01:22:19Z"},{"alias_kind":"pith_short_16","alias_value":"2F6DFARX7RNSUXRJ","created_at":"2026-07-05T01:22:19Z"},{"alias_kind":"pith_short_8","alias_value":"2F6DFARX","created_at":"2026-07-05T01:22:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:2F6DFARX7RNSUXRJ7NHVYRAEE4","target":"record","payload":{"canonical_record":{"source":{"id":"2006.03617","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2020-06-05T18:11:53Z","cross_cats_sorted":[],"title_canon_sha256":"3e1f329fcc913303607f3918d8b8da1c3b0eda0eabd2f9232e2b30c289c11947","abstract_canon_sha256":"d120fcf174fd287d0d77e4c161ebd290d8fd442d0ecb50451dd458d52907204c"},"schema_version":"1.0"},"canonical_sha256":"d17c328237fc5b2a5e29fb4f5c4404272352d1a2e406a310e00ec9ea24de243f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:22:19.196437Z","signature_b64":"sYSPDR4BgmGF6d3DDP2qAciLHfJj1GrNTCZadIaFW+h7SXG+g5DPfJkLjhmGFUydF7JGQNnNwEip1RiVqFeKAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d17c328237fc5b2a5e29fb4f5c4404272352d1a2e406a310e00ec9ea24de243f","last_reissued_at":"2026-07-05T01:22:19.195909Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:22:19.195909Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2006.03617","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":"2026-07-05T01:22:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OV5q7CRTplM3GbrAhnsDza/7tXOAfgFMV0gI1ukjomWnfVufeVBg2IUcd3He8tSqRC2vEK6jB+TkmawDKf6ZDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:25:28.223995Z"},"content_sha256":"9c5bf0161a61763515ab12f5b57409f42ffde53fb952548fd590fb0dc18c19f4","schema_version":"1.0","event_id":"sha256:9c5bf0161a61763515ab12f5b57409f42ffde53fb952548fd590fb0dc18c19f4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:2F6DFARX7RNSUXRJ7NHVYRAEE4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A combined XFEM phase-field computational model for crack growth without remeshing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CE","authors_text":"Alba Muix\\'i, Antonio Rodr\\'iguez-Ferran, Onofre Marco, Sonia Fern\\'andez-M\\'endez","submitted_at":"2020-06-05T18:11:53Z","abstract_excerpt":"This paper presents an adaptive strategy for phase-field simulations with transition to fracture. The phase-field equations are solved only in small subdomains around crack tips to determine propagation, while an XFEM discretization is used in the rest of the domain to represent sharp cracks, enabling to use a coarser discretization and therefore reducing the computational cost. Crack-tip subdomains move as cracks propagate in a fully automatic process. The same computational mesh is used during all the simulation, with an $h$-refined approximation in the elements in the crack-tip subdomains. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.03617","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2006.03617/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T01:22:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KIcUcNWFlBytJkcBjChuA4UcfFIvLxiXMBTOnMZWIIBm12ol9VIRtgvSBUNQ5ST8qIdtDluccKfngvI+aGZKCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:25:28.224395Z"},"content_sha256":"8d3a3e9dda48afa4eba2958172452cab0d68a58f6f70e04f4f19424d5205f765","schema_version":"1.0","event_id":"sha256:8d3a3e9dda48afa4eba2958172452cab0d68a58f6f70e04f4f19424d5205f765"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2F6DFARX7RNSUXRJ7NHVYRAEE4/bundle.json","state_url":"https://pith.science/pith/2F6DFARX7RNSUXRJ7NHVYRAEE4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2F6DFARX7RNSUXRJ7NHVYRAEE4/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":"2026-07-07T15:25:28Z","links":{"resolver":"https://pith.science/pith/2F6DFARX7RNSUXRJ7NHVYRAEE4","bundle":"https://pith.science/pith/2F6DFARX7RNSUXRJ7NHVYRAEE4/bundle.json","state":"https://pith.science/pith/2F6DFARX7RNSUXRJ7NHVYRAEE4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2F6DFARX7RNSUXRJ7NHVYRAEE4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:2F6DFARX7RNSUXRJ7NHVYRAEE4","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":"d120fcf174fd287d0d77e4c161ebd290d8fd442d0ecb50451dd458d52907204c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2020-06-05T18:11:53Z","title_canon_sha256":"3e1f329fcc913303607f3918d8b8da1c3b0eda0eabd2f9232e2b30c289c11947"},"schema_version":"1.0","source":{"id":"2006.03617","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.03617","created_at":"2026-07-05T01:22:19Z"},{"alias_kind":"arxiv_version","alias_value":"2006.03617v2","created_at":"2026-07-05T01:22:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.03617","created_at":"2026-07-05T01:22:19Z"},{"alias_kind":"pith_short_12","alias_value":"2F6DFARX7RNS","created_at":"2026-07-05T01:22:19Z"},{"alias_kind":"pith_short_16","alias_value":"2F6DFARX7RNSUXRJ","created_at":"2026-07-05T01:22:19Z"},{"alias_kind":"pith_short_8","alias_value":"2F6DFARX","created_at":"2026-07-05T01:22:19Z"}],"graph_snapshots":[{"event_id":"sha256:8d3a3e9dda48afa4eba2958172452cab0d68a58f6f70e04f4f19424d5205f765","target":"graph","created_at":"2026-07-05T01:22:19Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2006.03617/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper presents an adaptive strategy for phase-field simulations with transition to fracture. The phase-field equations are solved only in small subdomains around crack tips to determine propagation, while an XFEM discretization is used in the rest of the domain to represent sharp cracks, enabling to use a coarser discretization and therefore reducing the computational cost. Crack-tip subdomains move as cracks propagate in a fully automatic process. The same computational mesh is used during all the simulation, with an $h$-refined approximation in the elements in the crack-tip subdomains. ","authors_text":"Alba Muix\\'i, Antonio Rodr\\'iguez-Ferran, Onofre Marco, Sonia Fern\\'andez-M\\'endez","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2020-06-05T18:11:53Z","title":"A combined XFEM phase-field computational model for crack growth without remeshing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.03617","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":"sha256:9c5bf0161a61763515ab12f5b57409f42ffde53fb952548fd590fb0dc18c19f4","target":"record","created_at":"2026-07-05T01:22:19Z","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":"d120fcf174fd287d0d77e4c161ebd290d8fd442d0ecb50451dd458d52907204c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2020-06-05T18:11:53Z","title_canon_sha256":"3e1f329fcc913303607f3918d8b8da1c3b0eda0eabd2f9232e2b30c289c11947"},"schema_version":"1.0","source":{"id":"2006.03617","kind":"arxiv","version":2}},"canonical_sha256":"d17c328237fc5b2a5e29fb4f5c4404272352d1a2e406a310e00ec9ea24de243f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d17c328237fc5b2a5e29fb4f5c4404272352d1a2e406a310e00ec9ea24de243f","first_computed_at":"2026-07-05T01:22:19.195909Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:22:19.195909Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sYSPDR4BgmGF6d3DDP2qAciLHfJj1GrNTCZadIaFW+h7SXG+g5DPfJkLjhmGFUydF7JGQNnNwEip1RiVqFeKAw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:22:19.196437Z","signed_message":"canonical_sha256_bytes"},"source_id":"2006.03617","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9c5bf0161a61763515ab12f5b57409f42ffde53fb952548fd590fb0dc18c19f4","sha256:8d3a3e9dda48afa4eba2958172452cab0d68a58f6f70e04f4f19424d5205f765"],"state_sha256":"aa45ec7761ade456624947be765075619119bfda8d0b98bc6152b51eb608a8a3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o+c1huTuirF0ISDyieLAyBBBbgApXjsUkT5FYMfKL0wf2cktALioZa9wAM5wccuisfPw7Vjdpia6Y4bSmE2CAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T15:25:28.226587Z","bundle_sha256":"53ecd5f99de263bb4f57cbf951a41b8170af1d19affe1cceed852d9517fcea6e"}}