{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:J4DF26HURXK6R3RLND23FJIBFH","short_pith_number":"pith:J4DF26HU","canonical_record":{"source":{"id":"1003.1605","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-03-08T11:38:43Z","cross_cats_sorted":["astro-ph.CO","hep-ph","hep-th"],"title_canon_sha256":"38a6ce51e7bc8eb87c7c841b1db6393a6bb58281ac2a9760815b8223de49c989","abstract_canon_sha256":"35ea0fcc6458a6083c479075334428250700f1ba3538171db6e5112232002915"},"schema_version":"1.0"},"canonical_sha256":"4f065d78f48dd5e8ee2b68f5b2a50129e1ccfd3ff3becd61ab746e95c9b68709","source":{"kind":"arxiv","id":"1003.1605","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1003.1605","created_at":"2026-05-18T02:33:41Z"},{"alias_kind":"arxiv_version","alias_value":"1003.1605v1","created_at":"2026-05-18T02:33:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.1605","created_at":"2026-05-18T02:33:41Z"},{"alias_kind":"pith_short_12","alias_value":"J4DF26HURXK6","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"J4DF26HURXK6R3RL","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"J4DF26HU","created_at":"2026-05-18T12:26:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:J4DF26HURXK6R3RLND23FJIBFH","target":"record","payload":{"canonical_record":{"source":{"id":"1003.1605","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-03-08T11:38:43Z","cross_cats_sorted":["astro-ph.CO","hep-ph","hep-th"],"title_canon_sha256":"38a6ce51e7bc8eb87c7c841b1db6393a6bb58281ac2a9760815b8223de49c989","abstract_canon_sha256":"35ea0fcc6458a6083c479075334428250700f1ba3538171db6e5112232002915"},"schema_version":"1.0"},"canonical_sha256":"4f065d78f48dd5e8ee2b68f5b2a50129e1ccfd3ff3becd61ab746e95c9b68709","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:33:41.413578Z","signature_b64":"IiJxzcMQyDP9wpPDtJbM8Pe68LjFsNw0DY2PihJAO/Vu1hhSlzCHu6JQiD82+MuYEXCiVvrb81QNl6WGz+MhAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4f065d78f48dd5e8ee2b68f5b2a50129e1ccfd3ff3becd61ab746e95c9b68709","last_reissued_at":"2026-05-18T02:33:41.413154Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:33:41.413154Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1003.1605","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":"2026-05-18T02:33:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y4y5JXhaQ9Bj2b/QbU4jxD6FxLueYzqtWvuyJS31jYGyv+PRzj5Qdc74oxtxrBAG26Mx4ow75E84SPag9BvjDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T14:08:23.704592Z"},"content_sha256":"dad8d3cfa65f8c011327cea69fc86a92c28b201e52277c1d6e8da4dba56da7fc","schema_version":"1.0","event_id":"sha256:dad8d3cfa65f8c011327cea69fc86a92c28b201e52277c1d6e8da4dba56da7fc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:J4DF26HURXK6R3RLND23FJIBFH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tuning the Mass of Chameleon Fields in Casimir Force Experiments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ph","hep-th"],"primary_cat":"quant-ph","authors_text":"A. C. Davis, C. van de Bruck, D. Iannuzzi, D. J. Shaw, Ph. Brax","submitted_at":"2010-03-08T11:38:43Z","abstract_excerpt":"We have calculated the chameleon pressure between two parallel plates in the presence of an intervening medium that affects the mass of the chameleon field. As intuitively expected, the gas in the gap weakens the chameleon interaction mechanism with a screening effect that increases with the plate separation and with the density of the intervening medium. This phenomenon might open up new directions in the search of chameleon particles with future long range Casimir force experiments."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.1605","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":"2026-05-18T02:33:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4zC+qqaDqbGBsJ051+rjhmrh3WvXpPwXFxxnhaoZim03YvMgqTNDAzKxV0JIrvHF4pML5oUWjPOzUFx2bTG1Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T14:08:23.704974Z"},"content_sha256":"2d28f6e55bfbe5963cdfbac0c8653ed13c6f2ad40d5af877f6905e9cf64631bb","schema_version":"1.0","event_id":"sha256:2d28f6e55bfbe5963cdfbac0c8653ed13c6f2ad40d5af877f6905e9cf64631bb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J4DF26HURXK6R3RLND23FJIBFH/bundle.json","state_url":"https://pith.science/pith/J4DF26HURXK6R3RLND23FJIBFH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J4DF26HURXK6R3RLND23FJIBFH/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":"2026-05-21T14:08:23Z","links":{"resolver":"https://pith.science/pith/J4DF26HURXK6R3RLND23FJIBFH","bundle":"https://pith.science/pith/J4DF26HURXK6R3RLND23FJIBFH/bundle.json","state":"https://pith.science/pith/J4DF26HURXK6R3RLND23FJIBFH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J4DF26HURXK6R3RLND23FJIBFH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:J4DF26HURXK6R3RLND23FJIBFH","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":"35ea0fcc6458a6083c479075334428250700f1ba3538171db6e5112232002915","cross_cats_sorted":["astro-ph.CO","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-03-08T11:38:43Z","title_canon_sha256":"38a6ce51e7bc8eb87c7c841b1db6393a6bb58281ac2a9760815b8223de49c989"},"schema_version":"1.0","source":{"id":"1003.1605","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1003.1605","created_at":"2026-05-18T02:33:41Z"},{"alias_kind":"arxiv_version","alias_value":"1003.1605v1","created_at":"2026-05-18T02:33:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.1605","created_at":"2026-05-18T02:33:41Z"},{"alias_kind":"pith_short_12","alias_value":"J4DF26HURXK6","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"J4DF26HURXK6R3RL","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"J4DF26HU","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:2d28f6e55bfbe5963cdfbac0c8653ed13c6f2ad40d5af877f6905e9cf64631bb","target":"graph","created_at":"2026-05-18T02:33:41Z","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 have calculated the chameleon pressure between two parallel plates in the presence of an intervening medium that affects the mass of the chameleon field. As intuitively expected, the gas in the gap weakens the chameleon interaction mechanism with a screening effect that increases with the plate separation and with the density of the intervening medium. This phenomenon might open up new directions in the search of chameleon particles with future long range Casimir force experiments.","authors_text":"A. C. Davis, C. van de Bruck, D. Iannuzzi, D. J. Shaw, Ph. Brax","cross_cats":["astro-ph.CO","hep-ph","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-03-08T11:38:43Z","title":"Tuning the Mass of Chameleon Fields in Casimir Force Experiments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.1605","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:dad8d3cfa65f8c011327cea69fc86a92c28b201e52277c1d6e8da4dba56da7fc","target":"record","created_at":"2026-05-18T02:33:41Z","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":"35ea0fcc6458a6083c479075334428250700f1ba3538171db6e5112232002915","cross_cats_sorted":["astro-ph.CO","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-03-08T11:38:43Z","title_canon_sha256":"38a6ce51e7bc8eb87c7c841b1db6393a6bb58281ac2a9760815b8223de49c989"},"schema_version":"1.0","source":{"id":"1003.1605","kind":"arxiv","version":1}},"canonical_sha256":"4f065d78f48dd5e8ee2b68f5b2a50129e1ccfd3ff3becd61ab746e95c9b68709","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4f065d78f48dd5e8ee2b68f5b2a50129e1ccfd3ff3becd61ab746e95c9b68709","first_computed_at":"2026-05-18T02:33:41.413154Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:33:41.413154Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IiJxzcMQyDP9wpPDtJbM8Pe68LjFsNw0DY2PihJAO/Vu1hhSlzCHu6JQiD82+MuYEXCiVvrb81QNl6WGz+MhAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:33:41.413578Z","signed_message":"canonical_sha256_bytes"},"source_id":"1003.1605","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dad8d3cfa65f8c011327cea69fc86a92c28b201e52277c1d6e8da4dba56da7fc","sha256:2d28f6e55bfbe5963cdfbac0c8653ed13c6f2ad40d5af877f6905e9cf64631bb"],"state_sha256":"43b55435a3bdc77f4eaf49a976351ae40da9e355e72310dea4be7a5c7c99262f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V7RkYLC5EZa4z9UlIsS15EVkMPC4kJ2DSfIyheQFkMWUSo1kWdFMBOuzpXhZgnE/OC6bOnZZLRCQTvHv8LrWCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T14:08:23.707250Z","bundle_sha256":"e8d06722dfd1c466e2cc60def34d5494f2507add090d4f132b8defde2e2d066b"}}