{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:NJRM44LXEF5NT2PJRCVX66IQXI","short_pith_number":"pith:NJRM44LX","canonical_record":{"source":{"id":"1712.00460","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2017-12-01T19:02:15Z","cross_cats_sorted":["math.NA","physics.geo-ph"],"title_canon_sha256":"24f5bc9d210670f75ba8914f248f4e3ccb5e9b14582c93dbf4c767ada7e4b836","abstract_canon_sha256":"fff5e1863471779143c60f600efe704ebd479a6ed7b70f5b66077d05fc1d72fc"},"schema_version":"1.0"},"canonical_sha256":"6a62ce7177217ad9e9e988ab7f7910ba0c079588d2b95fcf28f46248aac2299a","source":{"kind":"arxiv","id":"1712.00460","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.00460","created_at":"2026-05-18T00:27:29Z"},{"alias_kind":"arxiv_version","alias_value":"1712.00460v2","created_at":"2026-05-18T00:27:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.00460","created_at":"2026-05-18T00:27:29Z"},{"alias_kind":"pith_short_12","alias_value":"NJRM44LXEF5N","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"NJRM44LXEF5NT2PJ","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"NJRM44LX","created_at":"2026-05-18T12:31:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:NJRM44LXEF5NT2PJRCVX66IQXI","target":"record","payload":{"canonical_record":{"source":{"id":"1712.00460","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2017-12-01T19:02:15Z","cross_cats_sorted":["math.NA","physics.geo-ph"],"title_canon_sha256":"24f5bc9d210670f75ba8914f248f4e3ccb5e9b14582c93dbf4c767ada7e4b836","abstract_canon_sha256":"fff5e1863471779143c60f600efe704ebd479a6ed7b70f5b66077d05fc1d72fc"},"schema_version":"1.0"},"canonical_sha256":"6a62ce7177217ad9e9e988ab7f7910ba0c079588d2b95fcf28f46248aac2299a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:29.925401Z","signature_b64":"lBU+wm6wirPhDH9auOZqalLWIkMBwar2ez6AvXdCABgzPI/NGr0xMkVJpsBJTbBh7lz3jCNP1RPfasH/cisCCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6a62ce7177217ad9e9e988ab7f7910ba0c079588d2b95fcf28f46248aac2299a","last_reissued_at":"2026-05-18T00:27:29.924855Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:29.924855Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.00460","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":"2026-05-18T00:27:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LpIV1h0xCJk5neHjH45lAvQ6Sl+VQ8Oh35A5XpjT2Pmr+Jbz5w1vAwZnMd/1g8YqGX2B7Q2yneI6F0mosaK7AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T13:27:56.286147Z"},"content_sha256":"e319b93ca4ad19b52524347f67bd05227d8c8af54ca258f9322a10e93e029e53","schema_version":"1.0","event_id":"sha256:e319b93ca4ad19b52524347f67bd05227d8c8af54ca258f9322a10e93e029e53"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:NJRM44LXEF5NT2PJRCVX66IQXI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"PorePy: An Open-Source Simulation Tool for Flow and Transport in Deformable Fractured Rocks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.NA","physics.geo-ph"],"primary_cat":"cs.CE","authors_text":"Alessio Fumagalli, Eirik Keilegavlen, Inga Berre, Ivar Stefansson, Runar Berge","submitted_at":"2017-12-01T19:02:15Z","abstract_excerpt":"Fractures are ubiquitous in the subsurface and strongly affect flow and deformation. The physical shape of the fractures, they are long and thin objects, puts strong limitations on how the effect of this dynamics can be incorporated into standard reservoir simulation tools. This paper reports the development of an open-source software framework, termed PorePy, which is aimed at simulation of flow and transport in three-dimensional fractured reservoirs, as well as deformation of the reservoir due to shearing along fracture and fault planes. Starting from a description of fractures as polygons e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.00460","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":"2026-05-18T00:27:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M2lOgOiPkC9FlOITNUgPlQqKRnxH48By6uiCaH/Ypj+h10USk64xVJmOvVhU/JU66LxUMZ9vlZM3XyUwVWhDDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T13:27:56.286529Z"},"content_sha256":"c40f5d25724efcd4eaea46f3d93a7e13e407024152fbb9bc6ffdce3d6c21b5da","schema_version":"1.0","event_id":"sha256:c40f5d25724efcd4eaea46f3d93a7e13e407024152fbb9bc6ffdce3d6c21b5da"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NJRM44LXEF5NT2PJRCVX66IQXI/bundle.json","state_url":"https://pith.science/pith/NJRM44LXEF5NT2PJRCVX66IQXI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NJRM44LXEF5NT2PJRCVX66IQXI/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":"2026-06-22T13:27:56Z","links":{"resolver":"https://pith.science/pith/NJRM44LXEF5NT2PJRCVX66IQXI","bundle":"https://pith.science/pith/NJRM44LXEF5NT2PJRCVX66IQXI/bundle.json","state":"https://pith.science/pith/NJRM44LXEF5NT2PJRCVX66IQXI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NJRM44LXEF5NT2PJRCVX66IQXI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:NJRM44LXEF5NT2PJRCVX66IQXI","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":"fff5e1863471779143c60f600efe704ebd479a6ed7b70f5b66077d05fc1d72fc","cross_cats_sorted":["math.NA","physics.geo-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2017-12-01T19:02:15Z","title_canon_sha256":"24f5bc9d210670f75ba8914f248f4e3ccb5e9b14582c93dbf4c767ada7e4b836"},"schema_version":"1.0","source":{"id":"1712.00460","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.00460","created_at":"2026-05-18T00:27:29Z"},{"alias_kind":"arxiv_version","alias_value":"1712.00460v2","created_at":"2026-05-18T00:27:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.00460","created_at":"2026-05-18T00:27:29Z"},{"alias_kind":"pith_short_12","alias_value":"NJRM44LXEF5N","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"NJRM44LXEF5NT2PJ","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"NJRM44LX","created_at":"2026-05-18T12:31:31Z"}],"graph_snapshots":[{"event_id":"sha256:c40f5d25724efcd4eaea46f3d93a7e13e407024152fbb9bc6ffdce3d6c21b5da","target":"graph","created_at":"2026-05-18T00:27:29Z","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":"Fractures are ubiquitous in the subsurface and strongly affect flow and deformation. The physical shape of the fractures, they are long and thin objects, puts strong limitations on how the effect of this dynamics can be incorporated into standard reservoir simulation tools. This paper reports the development of an open-source software framework, termed PorePy, which is aimed at simulation of flow and transport in three-dimensional fractured reservoirs, as well as deformation of the reservoir due to shearing along fracture and fault planes. Starting from a description of fractures as polygons e","authors_text":"Alessio Fumagalli, Eirik Keilegavlen, Inga Berre, Ivar Stefansson, Runar Berge","cross_cats":["math.NA","physics.geo-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2017-12-01T19:02:15Z","title":"PorePy: An Open-Source Simulation Tool for Flow and Transport in Deformable Fractured Rocks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.00460","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:e319b93ca4ad19b52524347f67bd05227d8c8af54ca258f9322a10e93e029e53","target":"record","created_at":"2026-05-18T00:27:29Z","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":"fff5e1863471779143c60f600efe704ebd479a6ed7b70f5b66077d05fc1d72fc","cross_cats_sorted":["math.NA","physics.geo-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2017-12-01T19:02:15Z","title_canon_sha256":"24f5bc9d210670f75ba8914f248f4e3ccb5e9b14582c93dbf4c767ada7e4b836"},"schema_version":"1.0","source":{"id":"1712.00460","kind":"arxiv","version":2}},"canonical_sha256":"6a62ce7177217ad9e9e988ab7f7910ba0c079588d2b95fcf28f46248aac2299a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6a62ce7177217ad9e9e988ab7f7910ba0c079588d2b95fcf28f46248aac2299a","first_computed_at":"2026-05-18T00:27:29.924855Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:27:29.924855Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lBU+wm6wirPhDH9auOZqalLWIkMBwar2ez6AvXdCABgzPI/NGr0xMkVJpsBJTbBh7lz3jCNP1RPfasH/cisCCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:27:29.925401Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.00460","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e319b93ca4ad19b52524347f67bd05227d8c8af54ca258f9322a10e93e029e53","sha256:c40f5d25724efcd4eaea46f3d93a7e13e407024152fbb9bc6ffdce3d6c21b5da"],"state_sha256":"c64cadc53256e7396020a18cd79746d135215375e7f83e927d436afdc37c1a26"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xLXrueQ06yGzysNpAviBnhQGfXgoV8VWignbaNkvPlxsKO6P7vLLmlIUXu0CULCKxTcrMm6QWISYcrqyOH+XAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T13:27:56.288777Z","bundle_sha256":"43d4348691950d95c4254e522d7ecc5308ac87bb8978f6d09e96d88444baffed"}}