{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:Q5OECCVAHI6PLH4YC2WKDPRRZR","short_pith_number":"pith:Q5OECCVA","canonical_record":{"source":{"id":"2105.06835","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-05-14T13:51:20Z","cross_cats_sorted":["astro-ph.HE","astro-ph.IM","gr-qc","hep-ex"],"title_canon_sha256":"5f1c0415cbb1a90dac5a0e189dab046f735e525785f9afd58d9d3c3864e780c2","abstract_canon_sha256":"dfdfd987470b242c00ea965336d514df0e3a5e6ab23e74d318b3fd57fc0f0cd5"},"schema_version":"1.0"},"canonical_sha256":"875c410aa03a3cf59f9816aca1be31cc6d3fda5c1f5237f1c956ffd5c1730c9f","source":{"kind":"arxiv","id":"2105.06835","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.06835","created_at":"2026-07-05T02:40:22Z"},{"alias_kind":"arxiv_version","alias_value":"2105.06835v1","created_at":"2026-07-05T02:40:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.06835","created_at":"2026-07-05T02:40:22Z"},{"alias_kind":"pith_short_12","alias_value":"Q5OECCVAHI6P","created_at":"2026-07-05T02:40:22Z"},{"alias_kind":"pith_short_16","alias_value":"Q5OECCVAHI6PLH4Y","created_at":"2026-07-05T02:40:22Z"},{"alias_kind":"pith_short_8","alias_value":"Q5OECCVA","created_at":"2026-07-05T02:40:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:Q5OECCVAHI6PLH4YC2WKDPRRZR","target":"record","payload":{"canonical_record":{"source":{"id":"2105.06835","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-05-14T13:51:20Z","cross_cats_sorted":["astro-ph.HE","astro-ph.IM","gr-qc","hep-ex"],"title_canon_sha256":"5f1c0415cbb1a90dac5a0e189dab046f735e525785f9afd58d9d3c3864e780c2","abstract_canon_sha256":"dfdfd987470b242c00ea965336d514df0e3a5e6ab23e74d318b3fd57fc0f0cd5"},"schema_version":"1.0"},"canonical_sha256":"875c410aa03a3cf59f9816aca1be31cc6d3fda5c1f5237f1c956ffd5c1730c9f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:40:22.039292Z","signature_b64":"v7wwFTgdVn4KtYDPQmC9nNSXJOjERA2EyikGpHhQY6s+mT0wvjsIvV1NJCmRQBv9IzdXoP047bbmV7CaM5D8DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"875c410aa03a3cf59f9816aca1be31cc6d3fda5c1f5237f1c956ffd5c1730c9f","last_reissued_at":"2026-07-05T02:40:22.038871Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:40:22.038871Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2105.06835","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":"2026-07-05T02:40:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UjMddPp/UnIYm2ewqDlvuh/Ys7hPGDQBr4F4GanC+z70YS7KtiNg76+3DXNosgvy4WHiODnh9IBxilmQIjCzCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T22:02:33.394150Z"},"content_sha256":"ac787d04f0432b7144821e0f2a6b1ab873efab595b7af0e40bb33fa2e178947a","schema_version":"1.0","event_id":"sha256:ac787d04f0432b7144821e0f2a6b1ab873efab595b7af0e40bb33fa2e178947a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:Q5OECCVAHI6PLH4YC2WKDPRRZR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An Experiment Exploring Gravitational Effects on CP Violation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","astro-ph.IM","gr-qc","hep-ex"],"primary_cat":"hep-ph","authors_text":"A. Gioiosa, A. Palladino, D. Hajdukovic, F. Ignatov, F. Marignetti, G. Di Sciacio, G. M. Piacentino, G. Venanzoni, L. Conti, N. Fratianni, R. Di Stefano, R. N. Pilato, V. Testa","submitted_at":"2021-05-14T13:51:20Z","abstract_excerpt":"We suggest a new experiment sensitive to a possible difference between the amount of CP violation as measured on the surface of the Earth and in a lower gravity environment. Our proposed experiment is model independent and could yield a $5\\sigma$ measurement within tens of days, indicating a dependence of the level of CP violation in the neutral kaon system on the local gravitational potential."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.06835","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2105.06835/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:40:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l/lJGE/4HghIw1oTCOsbthjEpNKV+XSL0p/UJa0FQjaQ+Yo3HLQCWZCIcT1yhhsN5mXu9UboJ0pakVL0HY1WCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T22:02:33.394705Z"},"content_sha256":"2058996479684e6f5df2129db568ac34ea17ae9722de131d4d2f40f7342050ec","schema_version":"1.0","event_id":"sha256:2058996479684e6f5df2129db568ac34ea17ae9722de131d4d2f40f7342050ec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q5OECCVAHI6PLH4YC2WKDPRRZR/bundle.json","state_url":"https://pith.science/pith/Q5OECCVAHI6PLH4YC2WKDPRRZR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q5OECCVAHI6PLH4YC2WKDPRRZR/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":"2026-08-03T22:02:33Z","links":{"resolver":"https://pith.science/pith/Q5OECCVAHI6PLH4YC2WKDPRRZR","bundle":"https://pith.science/pith/Q5OECCVAHI6PLH4YC2WKDPRRZR/bundle.json","state":"https://pith.science/pith/Q5OECCVAHI6PLH4YC2WKDPRRZR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q5OECCVAHI6PLH4YC2WKDPRRZR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:Q5OECCVAHI6PLH4YC2WKDPRRZR","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":"dfdfd987470b242c00ea965336d514df0e3a5e6ab23e74d318b3fd57fc0f0cd5","cross_cats_sorted":["astro-ph.HE","astro-ph.IM","gr-qc","hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-05-14T13:51:20Z","title_canon_sha256":"5f1c0415cbb1a90dac5a0e189dab046f735e525785f9afd58d9d3c3864e780c2"},"schema_version":"1.0","source":{"id":"2105.06835","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.06835","created_at":"2026-07-05T02:40:22Z"},{"alias_kind":"arxiv_version","alias_value":"2105.06835v1","created_at":"2026-07-05T02:40:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.06835","created_at":"2026-07-05T02:40:22Z"},{"alias_kind":"pith_short_12","alias_value":"Q5OECCVAHI6P","created_at":"2026-07-05T02:40:22Z"},{"alias_kind":"pith_short_16","alias_value":"Q5OECCVAHI6PLH4Y","created_at":"2026-07-05T02:40:22Z"},{"alias_kind":"pith_short_8","alias_value":"Q5OECCVA","created_at":"2026-07-05T02:40:22Z"}],"graph_snapshots":[{"event_id":"sha256:2058996479684e6f5df2129db568ac34ea17ae9722de131d4d2f40f7342050ec","target":"graph","created_at":"2026-07-05T02:40:22Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2105.06835/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We suggest a new experiment sensitive to a possible difference between the amount of CP violation as measured on the surface of the Earth and in a lower gravity environment. Our proposed experiment is model independent and could yield a $5\\sigma$ measurement within tens of days, indicating a dependence of the level of CP violation in the neutral kaon system on the local gravitational potential.","authors_text":"A. Gioiosa, A. Palladino, D. Hajdukovic, F. Ignatov, F. Marignetti, G. Di Sciacio, G. M. Piacentino, G. Venanzoni, L. Conti, N. Fratianni, R. Di Stefano, R. N. Pilato, V. Testa","cross_cats":["astro-ph.HE","astro-ph.IM","gr-qc","hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-05-14T13:51:20Z","title":"An Experiment Exploring Gravitational Effects on CP Violation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.06835","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:ac787d04f0432b7144821e0f2a6b1ab873efab595b7af0e40bb33fa2e178947a","target":"record","created_at":"2026-07-05T02:40:22Z","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":"dfdfd987470b242c00ea965336d514df0e3a5e6ab23e74d318b3fd57fc0f0cd5","cross_cats_sorted":["astro-ph.HE","astro-ph.IM","gr-qc","hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-05-14T13:51:20Z","title_canon_sha256":"5f1c0415cbb1a90dac5a0e189dab046f735e525785f9afd58d9d3c3864e780c2"},"schema_version":"1.0","source":{"id":"2105.06835","kind":"arxiv","version":1}},"canonical_sha256":"875c410aa03a3cf59f9816aca1be31cc6d3fda5c1f5237f1c956ffd5c1730c9f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"875c410aa03a3cf59f9816aca1be31cc6d3fda5c1f5237f1c956ffd5c1730c9f","first_computed_at":"2026-07-05T02:40:22.038871Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:40:22.038871Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"v7wwFTgdVn4KtYDPQmC9nNSXJOjERA2EyikGpHhQY6s+mT0wvjsIvV1NJCmRQBv9IzdXoP047bbmV7CaM5D8DA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:40:22.039292Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.06835","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ac787d04f0432b7144821e0f2a6b1ab873efab595b7af0e40bb33fa2e178947a","sha256:2058996479684e6f5df2129db568ac34ea17ae9722de131d4d2f40f7342050ec"],"state_sha256":"3a86cc4ec98f2ad5fe56761cdcf01cbeb26b361934f0122072649832ebf5af47"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pz2HNZaZ+cSGeufG27RL6tZgfuCRvxHmDIA2NxdO+63SfKyxsCjQ1F1AXQKK4mXCkZoxvTuk9tFEkA0UvynNBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T22:02:33.400141Z","bundle_sha256":"f7b7152b77174206e1d731fd156c0f8f9c9114af6ab021ee32a3b89972c4722f"}}