{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:JHTUB4HV4C663VIIFAZZLGQTYO","short_pith_number":"pith:JHTUB4HV","canonical_record":{"source":{"id":"1010.5399","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-10-26T14:05:20Z","cross_cats_sorted":["astro-ph.HE","hep-th"],"title_canon_sha256":"9897ba979294236b288053c34f979970c5fd0126896a5260f4849028e447b42a","abstract_canon_sha256":"357a7a4a5acdb48682ddbc8bb5f309223c8c9fc67647f09b399c8bee1639c315"},"schema_version":"1.0"},"canonical_sha256":"49e740f0f5e0bdedd5082833959a13c3a7b31e9a48c0e9e6c8704f80646a9085","source":{"kind":"arxiv","id":"1010.5399","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.5399","created_at":"2026-05-18T04:26:32Z"},{"alias_kind":"arxiv_version","alias_value":"1010.5399v1","created_at":"2026-05-18T04:26:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.5399","created_at":"2026-05-18T04:26:32Z"},{"alias_kind":"pith_short_12","alias_value":"JHTUB4HV4C66","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"JHTUB4HV4C663VII","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"JHTUB4HV","created_at":"2026-05-18T12:26:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:JHTUB4HV4C663VIIFAZZLGQTYO","target":"record","payload":{"canonical_record":{"source":{"id":"1010.5399","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-10-26T14:05:20Z","cross_cats_sorted":["astro-ph.HE","hep-th"],"title_canon_sha256":"9897ba979294236b288053c34f979970c5fd0126896a5260f4849028e447b42a","abstract_canon_sha256":"357a7a4a5acdb48682ddbc8bb5f309223c8c9fc67647f09b399c8bee1639c315"},"schema_version":"1.0"},"canonical_sha256":"49e740f0f5e0bdedd5082833959a13c3a7b31e9a48c0e9e6c8704f80646a9085","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:26:32.890739Z","signature_b64":"M11uWrPx8gk4Ott+eZUF4XO1UQBzgipcSrxSndy7qkaIdj8TSAsn5qtv9vwo0DN96QYbBygtKo7kLHa5T7bsDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"49e740f0f5e0bdedd5082833959a13c3a7b31e9a48c0e9e6c8704f80646a9085","last_reissued_at":"2026-05-18T04:26:32.890252Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:26:32.890252Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1010.5399","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":"2026-05-18T04:26:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2wzExtrUKPBxF6X7g/3inqJrcfWOfOuIL+RFh8tsYTPNDxJCv0q4QoH2nkR4xx7NwkVHzbmLxrEVLu9I5YkGBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T21:08:58.905576Z"},"content_sha256":"77d0d0cc09f6d4081789d41c6930f1bc68a673b1cd7665c6ffead2498fdb04a0","schema_version":"1.0","event_id":"sha256:77d0d0cc09f6d4081789d41c6930f1bc68a673b1cd7665c6ffead2498fdb04a0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:JHTUB4HV4C663VIIFAZZLGQTYO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stringy Space-Time Foam and High-Energy Cosmic Photons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","hep-th"],"primary_cat":"gr-qc","authors_text":"Nick E. Mavromatos","submitted_at":"2010-10-26T14:05:20Z","abstract_excerpt":"In this review, I discuss briefly stringent tests of Lorentz-violating quantum space-time foam models inspired from String/Brane theories, provided by studies of high energy Photons from intense celestial sources, such as Active Galactic Nuclei or Gamma Ray Bursts. The theoretical models predict modifications to the radiation dispersion relations, which are quadratically suppressed by the string mass scale, and time delays in the arrival times of photons (assumed to be emitted more or less simultaneously from the source), which are proportional to the photon energy, so that the more energetic "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.5399","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":"2026-05-18T04:26:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LVfPcBf2ipn9puMKnwnzpAMrfvqdzaO4Tixzv2yWFgJb4vUAGJPuAF6amHSzoI9CVrcgufkIs1VVCyy4J/NgDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T21:08:58.906247Z"},"content_sha256":"15eb5f0c14a5f19d0e21c42559333f0872ae78f193c07e022ce8f9dc11737103","schema_version":"1.0","event_id":"sha256:15eb5f0c14a5f19d0e21c42559333f0872ae78f193c07e022ce8f9dc11737103"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JHTUB4HV4C663VIIFAZZLGQTYO/bundle.json","state_url":"https://pith.science/pith/JHTUB4HV4C663VIIFAZZLGQTYO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JHTUB4HV4C663VIIFAZZLGQTYO/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":"2026-06-09T21:08:58Z","links":{"resolver":"https://pith.science/pith/JHTUB4HV4C663VIIFAZZLGQTYO","bundle":"https://pith.science/pith/JHTUB4HV4C663VIIFAZZLGQTYO/bundle.json","state":"https://pith.science/pith/JHTUB4HV4C663VIIFAZZLGQTYO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JHTUB4HV4C663VIIFAZZLGQTYO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:JHTUB4HV4C663VIIFAZZLGQTYO","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":"357a7a4a5acdb48682ddbc8bb5f309223c8c9fc67647f09b399c8bee1639c315","cross_cats_sorted":["astro-ph.HE","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-10-26T14:05:20Z","title_canon_sha256":"9897ba979294236b288053c34f979970c5fd0126896a5260f4849028e447b42a"},"schema_version":"1.0","source":{"id":"1010.5399","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.5399","created_at":"2026-05-18T04:26:32Z"},{"alias_kind":"arxiv_version","alias_value":"1010.5399v1","created_at":"2026-05-18T04:26:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.5399","created_at":"2026-05-18T04:26:32Z"},{"alias_kind":"pith_short_12","alias_value":"JHTUB4HV4C66","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"JHTUB4HV4C663VII","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"JHTUB4HV","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:15eb5f0c14a5f19d0e21c42559333f0872ae78f193c07e022ce8f9dc11737103","target":"graph","created_at":"2026-05-18T04:26:32Z","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":"In this review, I discuss briefly stringent tests of Lorentz-violating quantum space-time foam models inspired from String/Brane theories, provided by studies of high energy Photons from intense celestial sources, such as Active Galactic Nuclei or Gamma Ray Bursts. The theoretical models predict modifications to the radiation dispersion relations, which are quadratically suppressed by the string mass scale, and time delays in the arrival times of photons (assumed to be emitted more or less simultaneously from the source), which are proportional to the photon energy, so that the more energetic ","authors_text":"Nick E. Mavromatos","cross_cats":["astro-ph.HE","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-10-26T14:05:20Z","title":"Stringy Space-Time Foam and High-Energy Cosmic Photons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.5399","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":"sha256:77d0d0cc09f6d4081789d41c6930f1bc68a673b1cd7665c6ffead2498fdb04a0","target":"record","created_at":"2026-05-18T04:26:32Z","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":"357a7a4a5acdb48682ddbc8bb5f309223c8c9fc67647f09b399c8bee1639c315","cross_cats_sorted":["astro-ph.HE","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-10-26T14:05:20Z","title_canon_sha256":"9897ba979294236b288053c34f979970c5fd0126896a5260f4849028e447b42a"},"schema_version":"1.0","source":{"id":"1010.5399","kind":"arxiv","version":1}},"canonical_sha256":"49e740f0f5e0bdedd5082833959a13c3a7b31e9a48c0e9e6c8704f80646a9085","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"49e740f0f5e0bdedd5082833959a13c3a7b31e9a48c0e9e6c8704f80646a9085","first_computed_at":"2026-05-18T04:26:32.890252Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:26:32.890252Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"M11uWrPx8gk4Ott+eZUF4XO1UQBzgipcSrxSndy7qkaIdj8TSAsn5qtv9vwo0DN96QYbBygtKo7kLHa5T7bsDA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:26:32.890739Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.5399","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:77d0d0cc09f6d4081789d41c6930f1bc68a673b1cd7665c6ffead2498fdb04a0","sha256:15eb5f0c14a5f19d0e21c42559333f0872ae78f193c07e022ce8f9dc11737103"],"state_sha256":"c338ca2245f4869a6fb5e399d192c7290f63643428197f3284818d1c81228242"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tPil18t29lyg39Ui2WaK6KjZNjazEg0mrY2ouvQja0nqTeJAUjhxDjQIHFMdeEGUI3SkfxphF+sbtg7s9+8wBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T21:08:58.910061Z","bundle_sha256":"a8264822aae764fcb58f650ed2fdee9a63de8ec02e9eea9f59eeaa86791be3db"}}