{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:SLS7DK2FS2ARWFX4ZCXA2KJDGE","short_pith_number":"pith:SLS7DK2F","canonical_record":{"source":{"id":"1506.05542","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-06-18T03:40:45Z","cross_cats_sorted":[],"title_canon_sha256":"2b3dba21fa3922a5ad18ef1b379007d0205177085f7016bbaadd9bf1d9c173ed","abstract_canon_sha256":"61c9ca3821b73885b9e6151ff3626a498f681868a4983baa5679c1ce1518286c"},"schema_version":"1.0"},"canonical_sha256":"92e5f1ab4596811b16fcc8ae0d292331231e18d631db9011b144359b23d83298","source":{"kind":"arxiv","id":"1506.05542","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.05542","created_at":"2026-05-18T01:44:10Z"},{"alias_kind":"arxiv_version","alias_value":"1506.05542v1","created_at":"2026-05-18T01:44:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.05542","created_at":"2026-05-18T01:44:10Z"},{"alias_kind":"pith_short_12","alias_value":"SLS7DK2FS2AR","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"SLS7DK2FS2ARWFX4","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"SLS7DK2F","created_at":"2026-05-18T12:29:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:SLS7DK2FS2ARWFX4ZCXA2KJDGE","target":"record","payload":{"canonical_record":{"source":{"id":"1506.05542","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-06-18T03:40:45Z","cross_cats_sorted":[],"title_canon_sha256":"2b3dba21fa3922a5ad18ef1b379007d0205177085f7016bbaadd9bf1d9c173ed","abstract_canon_sha256":"61c9ca3821b73885b9e6151ff3626a498f681868a4983baa5679c1ce1518286c"},"schema_version":"1.0"},"canonical_sha256":"92e5f1ab4596811b16fcc8ae0d292331231e18d631db9011b144359b23d83298","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:44:10.475227Z","signature_b64":"1wD3SOnMUuvvhzGWrd1CBq70XhvgesQ2rBsxEvXcuFa2lC1lEeNJaV9LqJAme2oQKpOLNEJOJkZQ964rQzgvCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"92e5f1ab4596811b16fcc8ae0d292331231e18d631db9011b144359b23d83298","last_reissued_at":"2026-05-18T01:44:10.474489Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:44:10.474489Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.05542","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":"2026-05-18T01:44:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E0joUWpBroNJFUqsnS0F6Bi933wF1WoDRnC7aDw1XejLlM46PHbITLYYAGeSR2RWh7S5Hc7CAQStLnFQaSRKBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T21:20:51.193625Z"},"content_sha256":"95c5bd110bfc678ed9d39555b2bd7de321ec8d920408e8a4bb7dd907947a0dde","schema_version":"1.0","event_id":"sha256:95c5bd110bfc678ed9d39555b2bd7de321ec8d920408e8a4bb7dd907947a0dde"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:SLS7DK2FS2ARWFX4ZCXA2KJDGE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence for the Active Phase of Heterogeneous Catalysts through In Situ Reaction Product Imaging and Multiscale Modeling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"E. Lundgren, J. Gustafson, J. Zetterberg, K. Reuter, M.J. Hoffmann, S. Blomberg, S. Matera","submitted_at":"2015-06-18T03:40:45Z","abstract_excerpt":"We use multi-scale modeling to analyze laser-induced fluorescence (LIF) measurements of the CO oxidation reaction over Pd(100) at near-ambient reaction conditions. Integrating density-functional theory based kinetic Monte Carlo simulations of the active catalyst into fluid-dynamical simulations of the mass transport inside the reactor chamber we calculate the reaction product concentration directly above the catalyst surface. Comparing corresponding data calculated for different surface models against the measured LIF signals we can discriminate the one that predominantly actuates the experime"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.05542","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":"2026-05-18T01:44:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HmJ9E9HlKxW7CXqARiSaRX7yc642xr/X1toStnXCGQjPj5/WCHcRIpx6l/hqFda4wVrwsSX5Fki3cnxyt3DGCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T21:20:51.194296Z"},"content_sha256":"4c0f83e1d38560862d8a4af98d749725a1077893943971292ccf0b96f9366726","schema_version":"1.0","event_id":"sha256:4c0f83e1d38560862d8a4af98d749725a1077893943971292ccf0b96f9366726"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SLS7DK2FS2ARWFX4ZCXA2KJDGE/bundle.json","state_url":"https://pith.science/pith/SLS7DK2FS2ARWFX4ZCXA2KJDGE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SLS7DK2FS2ARWFX4ZCXA2KJDGE/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":"2026-05-31T21:20:51Z","links":{"resolver":"https://pith.science/pith/SLS7DK2FS2ARWFX4ZCXA2KJDGE","bundle":"https://pith.science/pith/SLS7DK2FS2ARWFX4ZCXA2KJDGE/bundle.json","state":"https://pith.science/pith/SLS7DK2FS2ARWFX4ZCXA2KJDGE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SLS7DK2FS2ARWFX4ZCXA2KJDGE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:SLS7DK2FS2ARWFX4ZCXA2KJDGE","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":"61c9ca3821b73885b9e6151ff3626a498f681868a4983baa5679c1ce1518286c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-06-18T03:40:45Z","title_canon_sha256":"2b3dba21fa3922a5ad18ef1b379007d0205177085f7016bbaadd9bf1d9c173ed"},"schema_version":"1.0","source":{"id":"1506.05542","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.05542","created_at":"2026-05-18T01:44:10Z"},{"alias_kind":"arxiv_version","alias_value":"1506.05542v1","created_at":"2026-05-18T01:44:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.05542","created_at":"2026-05-18T01:44:10Z"},{"alias_kind":"pith_short_12","alias_value":"SLS7DK2FS2AR","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"SLS7DK2FS2ARWFX4","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"SLS7DK2F","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:4c0f83e1d38560862d8a4af98d749725a1077893943971292ccf0b96f9366726","target":"graph","created_at":"2026-05-18T01:44:10Z","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":"We use multi-scale modeling to analyze laser-induced fluorescence (LIF) measurements of the CO oxidation reaction over Pd(100) at near-ambient reaction conditions. Integrating density-functional theory based kinetic Monte Carlo simulations of the active catalyst into fluid-dynamical simulations of the mass transport inside the reactor chamber we calculate the reaction product concentration directly above the catalyst surface. Comparing corresponding data calculated for different surface models against the measured LIF signals we can discriminate the one that predominantly actuates the experime","authors_text":"E. Lundgren, J. Gustafson, J. Zetterberg, K. Reuter, M.J. Hoffmann, S. Blomberg, S. Matera","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-06-18T03:40:45Z","title":"Evidence for the Active Phase of Heterogeneous Catalysts through In Situ Reaction Product Imaging and Multiscale Modeling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.05542","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":"sha256:95c5bd110bfc678ed9d39555b2bd7de321ec8d920408e8a4bb7dd907947a0dde","target":"record","created_at":"2026-05-18T01:44:10Z","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":"61c9ca3821b73885b9e6151ff3626a498f681868a4983baa5679c1ce1518286c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-06-18T03:40:45Z","title_canon_sha256":"2b3dba21fa3922a5ad18ef1b379007d0205177085f7016bbaadd9bf1d9c173ed"},"schema_version":"1.0","source":{"id":"1506.05542","kind":"arxiv","version":1}},"canonical_sha256":"92e5f1ab4596811b16fcc8ae0d292331231e18d631db9011b144359b23d83298","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"92e5f1ab4596811b16fcc8ae0d292331231e18d631db9011b144359b23d83298","first_computed_at":"2026-05-18T01:44:10.474489Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:44:10.474489Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1wD3SOnMUuvvhzGWrd1CBq70XhvgesQ2rBsxEvXcuFa2lC1lEeNJaV9LqJAme2oQKpOLNEJOJkZQ964rQzgvCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:44:10.475227Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.05542","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:95c5bd110bfc678ed9d39555b2bd7de321ec8d920408e8a4bb7dd907947a0dde","sha256:4c0f83e1d38560862d8a4af98d749725a1077893943971292ccf0b96f9366726"],"state_sha256":"0aab9dd7c9f396d448f19e68e41ed7d27c4700f68f6b0622c04e5a2df6567846"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m6INrLjMhfucLd8v1pZRLNAB1AWF5ZjxHfvaIWNPFA+Ng/ANXP9Beze69lmwqgwFY0ckru3Cd4amq/4XzAlSDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T21:20:51.197568Z","bundle_sha256":"11f0ce25be8049c1a7d0020379f30bbf594dd52da2aa7f0dd883d141afb6826d"}}