{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:CR5UHBCTIEMX63WTFXJN3A2M6Q","short_pith_number":"pith:CR5UHBCT","canonical_record":{"source":{"id":"1810.05027","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2018-10-11T14:00:32Z","cross_cats_sorted":["astro-ph.HE","hep-th"],"title_canon_sha256":"9cb3d061e9df18e6d3730140e9476ed9efa4584994e1abae1be64f8fff7b56d5","abstract_canon_sha256":"71f6805142086775f2933060f0d84e864aca4530012c8e0d20b54322aedb37d2"},"schema_version":"1.0"},"canonical_sha256":"147b43845341197f6ed32dd2dd834cf433a27e070c0090ee3191e2a086ab6d67","source":{"kind":"arxiv","id":"1810.05027","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.05027","created_at":"2026-05-17T23:47:36Z"},{"alias_kind":"arxiv_version","alias_value":"1810.05027v2","created_at":"2026-05-17T23:47:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.05027","created_at":"2026-05-17T23:47:36Z"},{"alias_kind":"pith_short_12","alias_value":"CR5UHBCTIEMX","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"CR5UHBCTIEMX63WT","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"CR5UHBCT","created_at":"2026-05-18T12:32:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:CR5UHBCTIEMX63WTFXJN3A2M6Q","target":"record","payload":{"canonical_record":{"source":{"id":"1810.05027","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2018-10-11T14:00:32Z","cross_cats_sorted":["astro-ph.HE","hep-th"],"title_canon_sha256":"9cb3d061e9df18e6d3730140e9476ed9efa4584994e1abae1be64f8fff7b56d5","abstract_canon_sha256":"71f6805142086775f2933060f0d84e864aca4530012c8e0d20b54322aedb37d2"},"schema_version":"1.0"},"canonical_sha256":"147b43845341197f6ed32dd2dd834cf433a27e070c0090ee3191e2a086ab6d67","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:36.034644Z","signature_b64":"8CE8l//VLweRdIN/+32e1VDqSNTkPHbDwpDNzvCGcuh746rDF0Wmq4ezvTxCkO6+gAny0sCmr7Uf3eZOBhL0Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"147b43845341197f6ed32dd2dd834cf433a27e070c0090ee3191e2a086ab6d67","last_reissued_at":"2026-05-17T23:47:36.034185Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:36.034185Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.05027","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:47:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aR9giv1EahgMEkdTLLQ5+TIBb9h8RYcDflvwKKB9An1QL0K7+zo//ijQioixywL+Wab6UHrhiRWFtaIfRrx2Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T16:14:57.981267Z"},"content_sha256":"583a1607019f5cbff16a3ceb1d65e38985f16705a36ad187b871d0f60594e596","schema_version":"1.0","event_id":"sha256:583a1607019f5cbff16a3ceb1d65e38985f16705a36ad187b871d0f60594e596"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:CR5UHBCTIEMX63WTFXJN3A2M6Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cherenkov radiation from the quantum vacuum","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.HE","hep-th"],"primary_cat":"hep-ph","authors_text":"Adam Noble, Alexander J. Macleod, Dino A. Jaroszynski","submitted_at":"2018-10-11T14:00:32Z","abstract_excerpt":"A charged particle moving through a medium emits Cherenkov radiation when its velocity exceeds the phase velocity of light in that medium. Under the influence of a strong electromagnetic field, quantum fluctuations can become polarized, imbuing the vacuum with an effective anisotropic refractive index and allowing the possibility of Cherenkov radiation from the quantum vacuum. We analyze the properties of this vacuum Cherenkov radiation in strong laser pulses and the magnetic field around a pulsar, finding regimes in which it is the dominant radiation mechanism. This radiation process may be r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.05027","kind":"arxiv","version":2},"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":"2026-05-17T23:47:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BjlsUqfvtVbi87f38RYzCT3emMJnyAHjoaYP7FNboCQvV9cD1/w1i2hhpa3/lPp1GurzdBVRuL/I4mZ3NANuBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T16:14:57.981629Z"},"content_sha256":"a3204bf9d3d0e20dd48afaea2f76a02652940e80708eefb44d9a510550b3da99","schema_version":"1.0","event_id":"sha256:a3204bf9d3d0e20dd48afaea2f76a02652940e80708eefb44d9a510550b3da99"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CR5UHBCTIEMX63WTFXJN3A2M6Q/bundle.json","state_url":"https://pith.science/pith/CR5UHBCTIEMX63WTFXJN3A2M6Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CR5UHBCTIEMX63WTFXJN3A2M6Q/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":"2026-06-21T16:14:57Z","links":{"resolver":"https://pith.science/pith/CR5UHBCTIEMX63WTFXJN3A2M6Q","bundle":"https://pith.science/pith/CR5UHBCTIEMX63WTFXJN3A2M6Q/bundle.json","state":"https://pith.science/pith/CR5UHBCTIEMX63WTFXJN3A2M6Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CR5UHBCTIEMX63WTFXJN3A2M6Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:CR5UHBCTIEMX63WTFXJN3A2M6Q","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":"71f6805142086775f2933060f0d84e864aca4530012c8e0d20b54322aedb37d2","cross_cats_sorted":["astro-ph.HE","hep-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2018-10-11T14:00:32Z","title_canon_sha256":"9cb3d061e9df18e6d3730140e9476ed9efa4584994e1abae1be64f8fff7b56d5"},"schema_version":"1.0","source":{"id":"1810.05027","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.05027","created_at":"2026-05-17T23:47:36Z"},{"alias_kind":"arxiv_version","alias_value":"1810.05027v2","created_at":"2026-05-17T23:47:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.05027","created_at":"2026-05-17T23:47:36Z"},{"alias_kind":"pith_short_12","alias_value":"CR5UHBCTIEMX","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"CR5UHBCTIEMX63WT","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"CR5UHBCT","created_at":"2026-05-18T12:32:16Z"}],"graph_snapshots":[{"event_id":"sha256:a3204bf9d3d0e20dd48afaea2f76a02652940e80708eefb44d9a510550b3da99","target":"graph","created_at":"2026-05-17T23:47:36Z","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":"A charged particle moving through a medium emits Cherenkov radiation when its velocity exceeds the phase velocity of light in that medium. Under the influence of a strong electromagnetic field, quantum fluctuations can become polarized, imbuing the vacuum with an effective anisotropic refractive index and allowing the possibility of Cherenkov radiation from the quantum vacuum. We analyze the properties of this vacuum Cherenkov radiation in strong laser pulses and the magnetic field around a pulsar, finding regimes in which it is the dominant radiation mechanism. This radiation process may be r","authors_text":"Adam Noble, Alexander J. Macleod, Dino A. Jaroszynski","cross_cats":["astro-ph.HE","hep-th"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2018-10-11T14:00:32Z","title":"Cherenkov radiation from the quantum vacuum"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.05027","kind":"arxiv","version":2},"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":"sha256:583a1607019f5cbff16a3ceb1d65e38985f16705a36ad187b871d0f60594e596","target":"record","created_at":"2026-05-17T23:47:36Z","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":"71f6805142086775f2933060f0d84e864aca4530012c8e0d20b54322aedb37d2","cross_cats_sorted":["astro-ph.HE","hep-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2018-10-11T14:00:32Z","title_canon_sha256":"9cb3d061e9df18e6d3730140e9476ed9efa4584994e1abae1be64f8fff7b56d5"},"schema_version":"1.0","source":{"id":"1810.05027","kind":"arxiv","version":2}},"canonical_sha256":"147b43845341197f6ed32dd2dd834cf433a27e070c0090ee3191e2a086ab6d67","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"147b43845341197f6ed32dd2dd834cf433a27e070c0090ee3191e2a086ab6d67","first_computed_at":"2026-05-17T23:47:36.034185Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:36.034185Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8CE8l//VLweRdIN/+32e1VDqSNTkPHbDwpDNzvCGcuh746rDF0Wmq4ezvTxCkO6+gAny0sCmr7Uf3eZOBhL0Aw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:36.034644Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.05027","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:583a1607019f5cbff16a3ceb1d65e38985f16705a36ad187b871d0f60594e596","sha256:a3204bf9d3d0e20dd48afaea2f76a02652940e80708eefb44d9a510550b3da99"],"state_sha256":"2faeac15f20b71199e4a25e9236dc963ef0f4ceae03be2dfafe49fdc65da43a4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j/kbhyTiAB5xDaJcNmuZTM/cZn2+TzZvN8AskTzQAWgxmqlaNNr18NAJQN6ZBSirP0j17z2kNuO4e/R4xrK0Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-21T16:14:57.984731Z","bundle_sha256":"b12dbf582bc1090fa3571787fec6525dae8f1f7fcadf2b6b04790839304fa8b4"}}