{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:XO62VDUDO3XAUGS7UMINFK6HGJ","short_pith_number":"pith:XO62VDUD","canonical_record":{"source":{"id":"1208.6444","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OH","submitted_at":"2012-08-31T09:52:30Z","cross_cats_sorted":["physics.soc-ph"],"title_canon_sha256":"15f9ee0c4c7107bff76d61ccca10d0971e10b3814198f1cf3d1b6b41b33af56c","abstract_canon_sha256":"62188f5957ea8cb15682de08446b6751efba6b7b77060f712f42c4995ccdba01"},"schema_version":"1.0"},"canonical_sha256":"bbbdaa8e8376ee0a1a5fa310d2abc7326888dbeee93aec2b2acb183f1579a000","source":{"kind":"arxiv","id":"1208.6444","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.6444","created_at":"2026-05-18T03:25:05Z"},{"alias_kind":"arxiv_version","alias_value":"1208.6444v3","created_at":"2026-05-18T03:25:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.6444","created_at":"2026-05-18T03:25:05Z"},{"alias_kind":"pith_short_12","alias_value":"XO62VDUDO3XA","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"XO62VDUDO3XAUGS7","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"XO62VDUD","created_at":"2026-05-18T12:27:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:XO62VDUDO3XAUGS7UMINFK6HGJ","target":"record","payload":{"canonical_record":{"source":{"id":"1208.6444","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OH","submitted_at":"2012-08-31T09:52:30Z","cross_cats_sorted":["physics.soc-ph"],"title_canon_sha256":"15f9ee0c4c7107bff76d61ccca10d0971e10b3814198f1cf3d1b6b41b33af56c","abstract_canon_sha256":"62188f5957ea8cb15682de08446b6751efba6b7b77060f712f42c4995ccdba01"},"schema_version":"1.0"},"canonical_sha256":"bbbdaa8e8376ee0a1a5fa310d2abc7326888dbeee93aec2b2acb183f1579a000","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:25:05.903868Z","signature_b64":"iiMpR4JRa5mk/vMivMPN2IXIY0qovVJQrk4bhraRwwMbjb0Az2AsHlAo5cP2lCiR7GOgkKlQkEhzc10G6vUsDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bbbdaa8e8376ee0a1a5fa310d2abc7326888dbeee93aec2b2acb183f1579a000","last_reissued_at":"2026-05-18T03:25:05.903246Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:25:05.903246Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.6444","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:25:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0jRTKDuG31inK360g73L8o0I/E0rrdJYieUnaMy9TgDqfZZglsBt9KdAFYOKZ2f/SClC61JcT3gvOH6DuoRBCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T18:30:07.443335Z"},"content_sha256":"973d3f245b5481418ab301dca1018cedd3729834883e5cc4ffbd4c6ce9a474c0","schema_version":"1.0","event_id":"sha256:973d3f245b5481418ab301dca1018cedd3729834883e5cc4ffbd4c6ce9a474c0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:XO62VDUDO3XAUGS7UMINFK6HGJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Survey of Multiscale and Multiphysics Applications and Communities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.soc-ph"],"primary_cat":"cs.OH","authors_text":"Derek Groen, Peter V. Coveney, Stefan J. Zasada","submitted_at":"2012-08-31T09:52:30Z","abstract_excerpt":"Multiscale and multiphysics applications are now commonplace, and many researchers focus on combining existing models to construct combined multiscale models. Here we present a concise review of multiscale applications and their source communities. We investigate the prevalence of multiscale projects in the EU and the US, review a range of coupling toolkits they use to construct multiscale models and identify areas where collaboration between disciplines could be particularly beneficial. We conclude that multiscale computing has become increasingly popular in recent years, that different commu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.6444","kind":"arxiv","version":3},"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":"2026-05-18T03:25:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MLaPyOVilrrSOTFr/5KV6JhiurRROgtIj2WaAFoaLw/64eM5WcO+b/9fH+LayaoeeQOlyG0/6aQN3O4luRjrCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T18:30:07.443688Z"},"content_sha256":"e96d5c4ec9921cf18c674f11771927f5c9f7341e3128ff1b97dba583e32074df","schema_version":"1.0","event_id":"sha256:e96d5c4ec9921cf18c674f11771927f5c9f7341e3128ff1b97dba583e32074df"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XO62VDUDO3XAUGS7UMINFK6HGJ/bundle.json","state_url":"https://pith.science/pith/XO62VDUDO3XAUGS7UMINFK6HGJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XO62VDUDO3XAUGS7UMINFK6HGJ/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":"2026-06-22T18:30:07Z","links":{"resolver":"https://pith.science/pith/XO62VDUDO3XAUGS7UMINFK6HGJ","bundle":"https://pith.science/pith/XO62VDUDO3XAUGS7UMINFK6HGJ/bundle.json","state":"https://pith.science/pith/XO62VDUDO3XAUGS7UMINFK6HGJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XO62VDUDO3XAUGS7UMINFK6HGJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:XO62VDUDO3XAUGS7UMINFK6HGJ","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":"62188f5957ea8cb15682de08446b6751efba6b7b77060f712f42c4995ccdba01","cross_cats_sorted":["physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OH","submitted_at":"2012-08-31T09:52:30Z","title_canon_sha256":"15f9ee0c4c7107bff76d61ccca10d0971e10b3814198f1cf3d1b6b41b33af56c"},"schema_version":"1.0","source":{"id":"1208.6444","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.6444","created_at":"2026-05-18T03:25:05Z"},{"alias_kind":"arxiv_version","alias_value":"1208.6444v3","created_at":"2026-05-18T03:25:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.6444","created_at":"2026-05-18T03:25:05Z"},{"alias_kind":"pith_short_12","alias_value":"XO62VDUDO3XA","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"XO62VDUDO3XAUGS7","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"XO62VDUD","created_at":"2026-05-18T12:27:27Z"}],"graph_snapshots":[{"event_id":"sha256:e96d5c4ec9921cf18c674f11771927f5c9f7341e3128ff1b97dba583e32074df","target":"graph","created_at":"2026-05-18T03:25:05Z","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":"Multiscale and multiphysics applications are now commonplace, and many researchers focus on combining existing models to construct combined multiscale models. Here we present a concise review of multiscale applications and their source communities. We investigate the prevalence of multiscale projects in the EU and the US, review a range of coupling toolkits they use to construct multiscale models and identify areas where collaboration between disciplines could be particularly beneficial. We conclude that multiscale computing has become increasingly popular in recent years, that different commu","authors_text":"Derek Groen, Peter V. Coveney, Stefan J. Zasada","cross_cats":["physics.soc-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OH","submitted_at":"2012-08-31T09:52:30Z","title":"Survey of Multiscale and Multiphysics Applications and Communities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.6444","kind":"arxiv","version":3},"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":"sha256:973d3f245b5481418ab301dca1018cedd3729834883e5cc4ffbd4c6ce9a474c0","target":"record","created_at":"2026-05-18T03:25:05Z","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":"62188f5957ea8cb15682de08446b6751efba6b7b77060f712f42c4995ccdba01","cross_cats_sorted":["physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OH","submitted_at":"2012-08-31T09:52:30Z","title_canon_sha256":"15f9ee0c4c7107bff76d61ccca10d0971e10b3814198f1cf3d1b6b41b33af56c"},"schema_version":"1.0","source":{"id":"1208.6444","kind":"arxiv","version":3}},"canonical_sha256":"bbbdaa8e8376ee0a1a5fa310d2abc7326888dbeee93aec2b2acb183f1579a000","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bbbdaa8e8376ee0a1a5fa310d2abc7326888dbeee93aec2b2acb183f1579a000","first_computed_at":"2026-05-18T03:25:05.903246Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:25:05.903246Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iiMpR4JRa5mk/vMivMPN2IXIY0qovVJQrk4bhraRwwMbjb0Az2AsHlAo5cP2lCiR7GOgkKlQkEhzc10G6vUsDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:25:05.903868Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.6444","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:973d3f245b5481418ab301dca1018cedd3729834883e5cc4ffbd4c6ce9a474c0","sha256:e96d5c4ec9921cf18c674f11771927f5c9f7341e3128ff1b97dba583e32074df"],"state_sha256":"26a30522fbabe1c8f59d4a0ecfa7cd7daf62a6a8937e4f9b82df3df46f8c0818"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cl+elxj+h0amR8SDvXYIOwlc0oGg1wAk/uzYGEKA9QRW6f6Sy8cT/QrCmLTLd13I9wqywFWMuX4Ix7t/IzUbAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T18:30:07.445735Z","bundle_sha256":"7ac6e4c7c70d15e2d5acc69ea1fbd50602706720ae5914a56c9c2deed85a165f"}}