{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:ARONOAAAMUGCG76PSVABGDIDJU","short_pith_number":"pith:ARONOAAA","canonical_record":{"source":{"id":"2607.01419","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-07-01T19:27:07Z","cross_cats_sorted":[],"title_canon_sha256":"725bdc491881c3ebb1ada8314e32e755b1773ba9defd844d5791e182a0e8a0f3","abstract_canon_sha256":"52be40972625968b4ffbde16ff7f9a1231b57e2c39f513e8dfd675f1830199d9"},"schema_version":"1.0"},"canonical_sha256":"045cd70000650c237fcf9540130d034d0cb71616a0ed479875998f962c99ec97","source":{"kind":"arxiv","id":"2607.01419","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.01419","created_at":"2026-07-03T00:16:59Z"},{"alias_kind":"arxiv_version","alias_value":"2607.01419v1","created_at":"2026-07-03T00:16:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.01419","created_at":"2026-07-03T00:16:59Z"},{"alias_kind":"pith_short_12","alias_value":"ARONOAAAMUGC","created_at":"2026-07-03T00:16:59Z"},{"alias_kind":"pith_short_16","alias_value":"ARONOAAAMUGCG76P","created_at":"2026-07-03T00:16:59Z"},{"alias_kind":"pith_short_8","alias_value":"ARONOAAA","created_at":"2026-07-03T00:16:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:ARONOAAAMUGCG76PSVABGDIDJU","target":"record","payload":{"canonical_record":{"source":{"id":"2607.01419","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-07-01T19:27:07Z","cross_cats_sorted":[],"title_canon_sha256":"725bdc491881c3ebb1ada8314e32e755b1773ba9defd844d5791e182a0e8a0f3","abstract_canon_sha256":"52be40972625968b4ffbde16ff7f9a1231b57e2c39f513e8dfd675f1830199d9"},"schema_version":"1.0"},"canonical_sha256":"045cd70000650c237fcf9540130d034d0cb71616a0ed479875998f962c99ec97","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-03T00:16:59.773505Z","signature_b64":"CzbM8/jZla7HyFVVaE5MfgG62H7VBFaTC3L04vpqZqHDsFEtMEQoycRWRp76sJ+ZOMhES1L3Z97CZkJvDn+FAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"045cd70000650c237fcf9540130d034d0cb71616a0ed479875998f962c99ec97","last_reissued_at":"2026-07-03T00:16:59.773000Z","signature_status":"signed_v1","first_computed_at":"2026-07-03T00:16:59.773000Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.01419","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":"2026-07-03T00:16:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e/2RFjA55jRgADT8NNxn8adKnGpBhlpr2WeXmUfbE9o/oxao9l9YpjN6f5eCQ++Nsld1QQCMlTtFLzAOcpvqBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T01:40:18.368015Z"},"content_sha256":"51862c116ae241c51dd6bf3f6bf1e4ffd35d762c2a0be44203904d974b83b76e","schema_version":"1.0","event_id":"sha256:51862c116ae241c51dd6bf3f6bf1e4ffd35d762c2a0be44203904d974b83b76e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:ARONOAAAMUGCG76PSVABGDIDJU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Vacuum Cherenkov radiation in supercritical magnetic fields","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Daniel G\\'alvez-Garc\\'ia, Nora Bret\\'on","submitted_at":"2026-07-01T19:27:07Z","abstract_excerpt":"In the presence of very intense electromagnetic fields, the refractive index of vacuum is modified such that light velocity is less than $c$ and ultrarelativistic charged particles can be faster than light and can induce Cherenkov radiation. We present the comparison of the Cherenkov radiation produced by the Euler-Heisenberg theory for critical and supercritical magnetic fields. We also make the comparison between the Cherenkov and the synchrotron radiation produced by the charged particles."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.01419","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/2607.01419/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":"2026-07-03T00:16:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3ooDB07WrgUZbri5h2ZaxEA75FkRGtV9X7F9X91aNSbTIdB8vjzWBz+LGEZTTNlRRsnvbvPTRgbc/ndyjXpiCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T01:40:18.368420Z"},"content_sha256":"7dc2b884ed40bede0afe199c8581bd68f2ec78dbc04f14d3ae5c5fadecf6227a","schema_version":"1.0","event_id":"sha256:7dc2b884ed40bede0afe199c8581bd68f2ec78dbc04f14d3ae5c5fadecf6227a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ARONOAAAMUGCG76PSVABGDIDJU/bundle.json","state_url":"https://pith.science/pith/ARONOAAAMUGCG76PSVABGDIDJU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ARONOAAAMUGCG76PSVABGDIDJU/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":"2026-07-10T01:40:18Z","links":{"resolver":"https://pith.science/pith/ARONOAAAMUGCG76PSVABGDIDJU","bundle":"https://pith.science/pith/ARONOAAAMUGCG76PSVABGDIDJU/bundle.json","state":"https://pith.science/pith/ARONOAAAMUGCG76PSVABGDIDJU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ARONOAAAMUGCG76PSVABGDIDJU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:ARONOAAAMUGCG76PSVABGDIDJU","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":"52be40972625968b4ffbde16ff7f9a1231b57e2c39f513e8dfd675f1830199d9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-07-01T19:27:07Z","title_canon_sha256":"725bdc491881c3ebb1ada8314e32e755b1773ba9defd844d5791e182a0e8a0f3"},"schema_version":"1.0","source":{"id":"2607.01419","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.01419","created_at":"2026-07-03T00:16:59Z"},{"alias_kind":"arxiv_version","alias_value":"2607.01419v1","created_at":"2026-07-03T00:16:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.01419","created_at":"2026-07-03T00:16:59Z"},{"alias_kind":"pith_short_12","alias_value":"ARONOAAAMUGC","created_at":"2026-07-03T00:16:59Z"},{"alias_kind":"pith_short_16","alias_value":"ARONOAAAMUGCG76P","created_at":"2026-07-03T00:16:59Z"},{"alias_kind":"pith_short_8","alias_value":"ARONOAAA","created_at":"2026-07-03T00:16:59Z"}],"graph_snapshots":[{"event_id":"sha256:7dc2b884ed40bede0afe199c8581bd68f2ec78dbc04f14d3ae5c5fadecf6227a","target":"graph","created_at":"2026-07-03T00:16:59Z","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/2607.01419/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In the presence of very intense electromagnetic fields, the refractive index of vacuum is modified such that light velocity is less than $c$ and ultrarelativistic charged particles can be faster than light and can induce Cherenkov radiation. We present the comparison of the Cherenkov radiation produced by the Euler-Heisenberg theory for critical and supercritical magnetic fields. We also make the comparison between the Cherenkov and the synchrotron radiation produced by the charged particles.","authors_text":"Daniel G\\'alvez-Garc\\'ia, Nora Bret\\'on","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-07-01T19:27:07Z","title":"Vacuum Cherenkov radiation in supercritical magnetic fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.01419","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":"sha256:51862c116ae241c51dd6bf3f6bf1e4ffd35d762c2a0be44203904d974b83b76e","target":"record","created_at":"2026-07-03T00:16:59Z","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":"52be40972625968b4ffbde16ff7f9a1231b57e2c39f513e8dfd675f1830199d9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-07-01T19:27:07Z","title_canon_sha256":"725bdc491881c3ebb1ada8314e32e755b1773ba9defd844d5791e182a0e8a0f3"},"schema_version":"1.0","source":{"id":"2607.01419","kind":"arxiv","version":1}},"canonical_sha256":"045cd70000650c237fcf9540130d034d0cb71616a0ed479875998f962c99ec97","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"045cd70000650c237fcf9540130d034d0cb71616a0ed479875998f962c99ec97","first_computed_at":"2026-07-03T00:16:59.773000Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-03T00:16:59.773000Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CzbM8/jZla7HyFVVaE5MfgG62H7VBFaTC3L04vpqZqHDsFEtMEQoycRWRp76sJ+ZOMhES1L3Z97CZkJvDn+FAg==","signature_status":"signed_v1","signed_at":"2026-07-03T00:16:59.773505Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.01419","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:51862c116ae241c51dd6bf3f6bf1e4ffd35d762c2a0be44203904d974b83b76e","sha256:7dc2b884ed40bede0afe199c8581bd68f2ec78dbc04f14d3ae5c5fadecf6227a"],"state_sha256":"89f4e2c03536de12cee53f601afe66c41c3c23ea3f14bad04031d94085080cb1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZD9yFX9qEBiNpqmKZ08/lGfd9YZ5AlbmQoAGMHax4BeyC5RPeWv1XsZ1EAcqkTBs/O3sHc+AGiYMX9e72MD6AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-10T01:40:18.370284Z","bundle_sha256":"af393fc62c1e2abfc0514d31f91bff98bc288cea152274b90474773ab5efb66e"}}