{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:DV5POVUJJET73CKOOU6WW7OR3A","short_pith_number":"pith:DV5POVUJ","canonical_record":{"source":{"id":"1612.08675","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-12-27T16:52:15Z","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"title_canon_sha256":"13df8d04ac43311109f8347dfb7f8c25e95baa55193dd2560033ba24ed7d5f1e","abstract_canon_sha256":"ffafe98fd45f71203c770b52cfa2f67c957824cdfc0e9cac9727c2beeb391079"},"schema_version":"1.0"},"canonical_sha256":"1d7af756894927fd894e753d6b7dd1d823f536c02a3387b51a126fc740769c54","source":{"kind":"arxiv","id":"1612.08675","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.08675","created_at":"2026-05-18T00:46:38Z"},{"alias_kind":"arxiv_version","alias_value":"1612.08675v3","created_at":"2026-05-18T00:46:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.08675","created_at":"2026-05-18T00:46:38Z"},{"alias_kind":"pith_short_12","alias_value":"DV5POVUJJET7","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"DV5POVUJJET73CKO","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"DV5POVUJ","created_at":"2026-05-18T12:30:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:DV5POVUJJET73CKOOU6WW7OR3A","target":"record","payload":{"canonical_record":{"source":{"id":"1612.08675","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-12-27T16:52:15Z","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"title_canon_sha256":"13df8d04ac43311109f8347dfb7f8c25e95baa55193dd2560033ba24ed7d5f1e","abstract_canon_sha256":"ffafe98fd45f71203c770b52cfa2f67c957824cdfc0e9cac9727c2beeb391079"},"schema_version":"1.0"},"canonical_sha256":"1d7af756894927fd894e753d6b7dd1d823f536c02a3387b51a126fc740769c54","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:46:38.253499Z","signature_b64":"darVLISGHybGpb1BdyUUZ+fuSpjlSnwr0JlgoddTQbSDaOZPfSAORU2AHcadkJ7P8NZmpWUAyLYmuADdf7SPBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1d7af756894927fd894e753d6b7dd1d823f536c02a3387b51a126fc740769c54","last_reissued_at":"2026-05-18T00:46:38.252893Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:46:38.252893Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.08675","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":"2026-05-18T00:46:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rsZkO662PKnuOGqTtvcdYPLWRKZW+r5Th/3Eaq/5fdN/xqyaAxiU0Q5JixVINBqT3Nmy4+PdGI5lo3oh0TEsCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T22:07:54.038970Z"},"content_sha256":"6c8641c2cdc41c7b503f3e83a37407ab6ec6708bdf4acbe65bc2a20c73092653","schema_version":"1.0","event_id":"sha256:6c8641c2cdc41c7b503f3e83a37407ab6ec6708bdf4acbe65bc2a20c73092653"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:DV5POVUJJET73CKOOU6WW7OR3A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum friction between graphene sheets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","quant-ph"],"primary_cat":"hep-th","authors_text":"C\\'esar D. Fosco, Fernando C. Lombardo, Francisco D. Mazzitelli, M. Bel\\'en Farias","submitted_at":"2016-12-27T16:52:15Z","abstract_excerpt":"We study the Casimir friction phenomenon in a system consisting of two flat, infinite, and parallel graphene sheets, which are coupled to the vacuum electromagnetic (EM) field. Those couplings are implemented, in the description we use, by means of specific terms in the effective action for the EM field. They incorporate the distinctive properties of graphene, as well as the relative sliding motion of the sheets. Based on this description, we evaluate two observables due to the same physical effect: the probability of vacuum decay and the frictional force. The system exhibits a threshold for f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.08675","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":"2026-05-18T00:46:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7I7WA/cw1jvqTJPiDVQQv7rgqAc2nvAwv4jMNf9IhM6O4EEmRTdOIxBmm6lPH7Czl76XMKDeL9SRMuY9ZD9nBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T22:07:54.039331Z"},"content_sha256":"cbf21b33e8ec59bf6baa84de0aa393fc6225faf67b33fbe30827989a95bc711d","schema_version":"1.0","event_id":"sha256:cbf21b33e8ec59bf6baa84de0aa393fc6225faf67b33fbe30827989a95bc711d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DV5POVUJJET73CKOOU6WW7OR3A/bundle.json","state_url":"https://pith.science/pith/DV5POVUJJET73CKOOU6WW7OR3A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DV5POVUJJET73CKOOU6WW7OR3A/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":"2026-06-03T22:07:54Z","links":{"resolver":"https://pith.science/pith/DV5POVUJJET73CKOOU6WW7OR3A","bundle":"https://pith.science/pith/DV5POVUJJET73CKOOU6WW7OR3A/bundle.json","state":"https://pith.science/pith/DV5POVUJJET73CKOOU6WW7OR3A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DV5POVUJJET73CKOOU6WW7OR3A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:DV5POVUJJET73CKOOU6WW7OR3A","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":"ffafe98fd45f71203c770b52cfa2f67c957824cdfc0e9cac9727c2beeb391079","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-12-27T16:52:15Z","title_canon_sha256":"13df8d04ac43311109f8347dfb7f8c25e95baa55193dd2560033ba24ed7d5f1e"},"schema_version":"1.0","source":{"id":"1612.08675","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.08675","created_at":"2026-05-18T00:46:38Z"},{"alias_kind":"arxiv_version","alias_value":"1612.08675v3","created_at":"2026-05-18T00:46:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.08675","created_at":"2026-05-18T00:46:38Z"},{"alias_kind":"pith_short_12","alias_value":"DV5POVUJJET7","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"DV5POVUJJET73CKO","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"DV5POVUJ","created_at":"2026-05-18T12:30:12Z"}],"graph_snapshots":[{"event_id":"sha256:cbf21b33e8ec59bf6baa84de0aa393fc6225faf67b33fbe30827989a95bc711d","target":"graph","created_at":"2026-05-18T00:46:38Z","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 study the Casimir friction phenomenon in a system consisting of two flat, infinite, and parallel graphene sheets, which are coupled to the vacuum electromagnetic (EM) field. Those couplings are implemented, in the description we use, by means of specific terms in the effective action for the EM field. They incorporate the distinctive properties of graphene, as well as the relative sliding motion of the sheets. Based on this description, we evaluate two observables due to the same physical effect: the probability of vacuum decay and the frictional force. The system exhibits a threshold for f","authors_text":"C\\'esar D. Fosco, Fernando C. Lombardo, Francisco D. Mazzitelli, M. Bel\\'en Farias","cross_cats":["cond-mat.mes-hall","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-12-27T16:52:15Z","title":"Quantum friction between graphene sheets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.08675","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":"sha256:6c8641c2cdc41c7b503f3e83a37407ab6ec6708bdf4acbe65bc2a20c73092653","target":"record","created_at":"2026-05-18T00:46:38Z","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":"ffafe98fd45f71203c770b52cfa2f67c957824cdfc0e9cac9727c2beeb391079","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-12-27T16:52:15Z","title_canon_sha256":"13df8d04ac43311109f8347dfb7f8c25e95baa55193dd2560033ba24ed7d5f1e"},"schema_version":"1.0","source":{"id":"1612.08675","kind":"arxiv","version":3}},"canonical_sha256":"1d7af756894927fd894e753d6b7dd1d823f536c02a3387b51a126fc740769c54","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1d7af756894927fd894e753d6b7dd1d823f536c02a3387b51a126fc740769c54","first_computed_at":"2026-05-18T00:46:38.252893Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:46:38.252893Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"darVLISGHybGpb1BdyUUZ+fuSpjlSnwr0JlgoddTQbSDaOZPfSAORU2AHcadkJ7P8NZmpWUAyLYmuADdf7SPBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:46:38.253499Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.08675","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6c8641c2cdc41c7b503f3e83a37407ab6ec6708bdf4acbe65bc2a20c73092653","sha256:cbf21b33e8ec59bf6baa84de0aa393fc6225faf67b33fbe30827989a95bc711d"],"state_sha256":"daa32fb69feabe3684009f856e15cc1cf46e80b2ffce04b0be3323981e3d6fef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PFLK1uJzf5tJtZQUXV0LbVpAk7qqDOig9vSrjUXaqehfd1QZyEEKU0YBcIZAz+E4Jorxj+1Ll8BafROGE9eODg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T22:07:54.041254Z","bundle_sha256":"4dc0b7e7584311ddbab9520d11e93e64e8960462b6d7201c52a9885133bfb7b6"}}