{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:7S77CV2YGYRFHIAFYL5XQKQFV3","short_pith_number":"pith:7S77CV2Y","canonical_record":{"source":{"id":"1607.03782","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-07-13T15:11:54Z","cross_cats_sorted":["cond-mat.mes-hall","physics.atom-ph"],"title_canon_sha256":"93d3bf65d101f7d005e2f632a1bec15ca156a3cb5e7f265ae380bd433cfb1989","abstract_canon_sha256":"23a530b4969ed969ac208fcf84156a7efeef3caa404e34e39637586301ec59db"},"schema_version":"1.0"},"canonical_sha256":"fcbff15758362253a005c2fb782a05aee78c2ec4e78876abf7cb470b77a894cc","source":{"kind":"arxiv","id":"1607.03782","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.03782","created_at":"2026-05-18T01:00:45Z"},{"alias_kind":"arxiv_version","alias_value":"1607.03782v1","created_at":"2026-05-18T01:00:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.03782","created_at":"2026-05-18T01:00:45Z"},{"alias_kind":"pith_short_12","alias_value":"7S77CV2YGYRF","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"7S77CV2YGYRFHIAF","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"7S77CV2Y","created_at":"2026-05-18T12:30:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:7S77CV2YGYRFHIAFYL5XQKQFV3","target":"record","payload":{"canonical_record":{"source":{"id":"1607.03782","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-07-13T15:11:54Z","cross_cats_sorted":["cond-mat.mes-hall","physics.atom-ph"],"title_canon_sha256":"93d3bf65d101f7d005e2f632a1bec15ca156a3cb5e7f265ae380bd433cfb1989","abstract_canon_sha256":"23a530b4969ed969ac208fcf84156a7efeef3caa404e34e39637586301ec59db"},"schema_version":"1.0"},"canonical_sha256":"fcbff15758362253a005c2fb782a05aee78c2ec4e78876abf7cb470b77a894cc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:00:45.294729Z","signature_b64":"8OHEcfQDT2sG/O6qzug7wV7fIryQ6JZYC84T+BdkSzKb7RuW6FRyQIJjksftE3vOoQTnMdtTGjaNnWi5FxS2DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fcbff15758362253a005c2fb782a05aee78c2ec4e78876abf7cb470b77a894cc","last_reissued_at":"2026-05-18T01:00:45.294360Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:00:45.294360Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.03782","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":"2026-05-18T01:00:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O2KVQ8T+7Q8t26HN3kMR2WKOCLn9F59kx8I0QZjLsQohgJz1uzlWZ6zfNJqrtJEUZvZ6oGqsLMmwRke3opGABQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:40:38.226882Z"},"content_sha256":"3bed5fce135382a950a0a20d64f4b6e4e1a7ce9f7826ae200f5acd29306ee1a0","schema_version":"1.0","event_id":"sha256:3bed5fce135382a950a0a20d64f4b6e4e1a7ce9f7826ae200f5acd29306ee1a0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:7S77CV2YGYRFHIAFYL5XQKQFV3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Sympathetic laser-cooling of graphene with Casimir-Polder forces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"Hugo Ter\\c{c}as, Sofia Ribeiro","submitted_at":"2016-07-13T15:11:54Z","abstract_excerpt":"We propose a scheme to actively cool the fundamental flexural (out-of-plane) mode of a graphene sheet via vacuum forces. Our setup consists in a cold atom cloud placed close to a graphene sheet at distances of a few micrometers. The atoms couple to the graphene membrane via Casimir-Polder forces. By deriving a self-consistent set of equations governing the dynamics of the atomic gas and the flexural modes of the graphene, we show to be possible to cool graphene from room temperatures by actively (laser) cooling an atomic gas. By choosing the right set of experimental parameter we are able to c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.03782","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":"2026-05-18T01:00:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LThlI+5SW8/QSKVLbaoFzaX82xc3FbAQjDSGbrpnfNEgDDH0KtR6vkEkBCW188oRo39AZkaBwY83PKS+sCZUCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:40:38.227525Z"},"content_sha256":"74b85ae5d022c6a368e10de11d0b1972fff02588702eab536c7dcbaf65970398","schema_version":"1.0","event_id":"sha256:74b85ae5d022c6a368e10de11d0b1972fff02588702eab536c7dcbaf65970398"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7S77CV2YGYRFHIAFYL5XQKQFV3/bundle.json","state_url":"https://pith.science/pith/7S77CV2YGYRFHIAFYL5XQKQFV3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7S77CV2YGYRFHIAFYL5XQKQFV3/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":"2026-05-25T20:40:38Z","links":{"resolver":"https://pith.science/pith/7S77CV2YGYRFHIAFYL5XQKQFV3","bundle":"https://pith.science/pith/7S77CV2YGYRFHIAFYL5XQKQFV3/bundle.json","state":"https://pith.science/pith/7S77CV2YGYRFHIAFYL5XQKQFV3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7S77CV2YGYRFHIAFYL5XQKQFV3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:7S77CV2YGYRFHIAFYL5XQKQFV3","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":"23a530b4969ed969ac208fcf84156a7efeef3caa404e34e39637586301ec59db","cross_cats_sorted":["cond-mat.mes-hall","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-07-13T15:11:54Z","title_canon_sha256":"93d3bf65d101f7d005e2f632a1bec15ca156a3cb5e7f265ae380bd433cfb1989"},"schema_version":"1.0","source":{"id":"1607.03782","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.03782","created_at":"2026-05-18T01:00:45Z"},{"alias_kind":"arxiv_version","alias_value":"1607.03782v1","created_at":"2026-05-18T01:00:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.03782","created_at":"2026-05-18T01:00:45Z"},{"alias_kind":"pith_short_12","alias_value":"7S77CV2YGYRF","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"7S77CV2YGYRFHIAF","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"7S77CV2Y","created_at":"2026-05-18T12:30:04Z"}],"graph_snapshots":[{"event_id":"sha256:74b85ae5d022c6a368e10de11d0b1972fff02588702eab536c7dcbaf65970398","target":"graph","created_at":"2026-05-18T01:00:45Z","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 propose a scheme to actively cool the fundamental flexural (out-of-plane) mode of a graphene sheet via vacuum forces. Our setup consists in a cold atom cloud placed close to a graphene sheet at distances of a few micrometers. The atoms couple to the graphene membrane via Casimir-Polder forces. By deriving a self-consistent set of equations governing the dynamics of the atomic gas and the flexural modes of the graphene, we show to be possible to cool graphene from room temperatures by actively (laser) cooling an atomic gas. By choosing the right set of experimental parameter we are able to c","authors_text":"Hugo Ter\\c{c}as, Sofia Ribeiro","cross_cats":["cond-mat.mes-hall","physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-07-13T15:11:54Z","title":"Sympathetic laser-cooling of graphene with Casimir-Polder forces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.03782","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":"sha256:3bed5fce135382a950a0a20d64f4b6e4e1a7ce9f7826ae200f5acd29306ee1a0","target":"record","created_at":"2026-05-18T01:00:45Z","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":"23a530b4969ed969ac208fcf84156a7efeef3caa404e34e39637586301ec59db","cross_cats_sorted":["cond-mat.mes-hall","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-07-13T15:11:54Z","title_canon_sha256":"93d3bf65d101f7d005e2f632a1bec15ca156a3cb5e7f265ae380bd433cfb1989"},"schema_version":"1.0","source":{"id":"1607.03782","kind":"arxiv","version":1}},"canonical_sha256":"fcbff15758362253a005c2fb782a05aee78c2ec4e78876abf7cb470b77a894cc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fcbff15758362253a005c2fb782a05aee78c2ec4e78876abf7cb470b77a894cc","first_computed_at":"2026-05-18T01:00:45.294360Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:00:45.294360Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8OHEcfQDT2sG/O6qzug7wV7fIryQ6JZYC84T+BdkSzKb7RuW6FRyQIJjksftE3vOoQTnMdtTGjaNnWi5FxS2DA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:00:45.294729Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.03782","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3bed5fce135382a950a0a20d64f4b6e4e1a7ce9f7826ae200f5acd29306ee1a0","sha256:74b85ae5d022c6a368e10de11d0b1972fff02588702eab536c7dcbaf65970398"],"state_sha256":"65327043890bf230c19c9b3126985ee6276fec1651fb337b0e4347227e7d66a2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2G9Uc+GdwwzUMZxSj77AzeqypqNFk6SzVkk7dbeRkSmC4fxEc1CZ5qrcsf31zy3k16oe6u8gf+Qet1C5yEnpBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T20:40:38.231032Z","bundle_sha256":"7ef70b2c0e39380e59412d1c00f331872e56d7aedd00a35a23a4e706e3773506"}}