{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:FEG4V4LMT3MHMWFRG7M5MOMQRL","short_pith_number":"pith:FEG4V4LM","canonical_record":{"source":{"id":"1208.0741","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2012-08-03T13:46:30Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"8d16c324f0bc532595a2ca18fcaa68e1cb95551a8ac75d569353fbba77dc0fa4","abstract_canon_sha256":"276251f85da3eb6e577d6b1e48fa863d8c306d31c4792decd974bbab2d9c5771"},"schema_version":"1.0"},"canonical_sha256":"290dcaf16c9ed87658b137d9d639908af18eaa1d5bda370945c1db760d686145","source":{"kind":"arxiv","id":"1208.0741","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.0741","created_at":"2026-05-18T03:49:22Z"},{"alias_kind":"arxiv_version","alias_value":"1208.0741v1","created_at":"2026-05-18T03:49:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.0741","created_at":"2026-05-18T03:49:22Z"},{"alias_kind":"pith_short_12","alias_value":"FEG4V4LMT3MH","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"FEG4V4LMT3MHMWFR","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"FEG4V4LM","created_at":"2026-05-18T12:27:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:FEG4V4LMT3MHMWFRG7M5MOMQRL","target":"record","payload":{"canonical_record":{"source":{"id":"1208.0741","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2012-08-03T13:46:30Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"8d16c324f0bc532595a2ca18fcaa68e1cb95551a8ac75d569353fbba77dc0fa4","abstract_canon_sha256":"276251f85da3eb6e577d6b1e48fa863d8c306d31c4792decd974bbab2d9c5771"},"schema_version":"1.0"},"canonical_sha256":"290dcaf16c9ed87658b137d9d639908af18eaa1d5bda370945c1db760d686145","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:49:22.940894Z","signature_b64":"M2zlvpBagFR6AwMN2Eak4/A9af3p03LncGlfye98ZNMN2ZNmFDHLHyN9LwgeTXejr0fs7nRRxoE40NS1a2OcDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"290dcaf16c9ed87658b137d9d639908af18eaa1d5bda370945c1db760d686145","last_reissued_at":"2026-05-18T03:49:22.940254Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:49:22.940254Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.0741","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":"2026-05-18T03:49:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S78sd0dNKBxjX6fb7XCt9vdSo5RXfaZFje8oEpcK3RSdTU4zwL9hyLecZlpb1oGaErs4E/U/Cw1SkYj/iUk/AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T03:01:56.312219Z"},"content_sha256":"448956518c98aff7697d1b519295a504e7031a0597e2df6003c4d9015781881a","schema_version":"1.0","event_id":"sha256:448956518c98aff7697d1b519295a504e7031a0597e2df6003c4d9015781881a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:FEG4V4LMT3MHMWFRG7M5MOMQRL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Pulse Intensity-Duration Conjecture: Evidence from Free-Electron Lasers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"physics.acc-ph","authors_text":"F. Gr\\\"uner, G. Mourou, I. Dornmair, T. Seggebrock, T. Tajima","submitted_at":"2012-08-03T13:46:30Z","abstract_excerpt":"The recent remark by G. Mourou and T. Tajima (Science 331, 41 (2011)) on the intensity of the driver laser pulse and the duration of the created pulse that higher driver beam intensities are needed to reach shorter pulses of radiation remains a conjecture without clear theoretical reasoning so far. Here we offer its extension to the case of relativistic electron bunches as the laser's radiating medium (free-electron laser). This also bolsters the understanding of the underlying physical principle of the Conjecture."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.0741","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":"2026-05-18T03:49:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0XMqXkIYRITCDj+YD2satQ9q5gFWHAfHjYdrWk6f7c9GQ8fcUJPDiXPJE5+0mWMBt3kH5X0B3kep+TAlmc0/AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T03:01:56.312567Z"},"content_sha256":"9de46407a5a384e057cd0ea7517f1f71dcca7a646177d2c1977aa285abfeb1f3","schema_version":"1.0","event_id":"sha256:9de46407a5a384e057cd0ea7517f1f71dcca7a646177d2c1977aa285abfeb1f3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FEG4V4LMT3MHMWFRG7M5MOMQRL/bundle.json","state_url":"https://pith.science/pith/FEG4V4LMT3MHMWFRG7M5MOMQRL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FEG4V4LMT3MHMWFRG7M5MOMQRL/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":"2026-07-05T03:01:56Z","links":{"resolver":"https://pith.science/pith/FEG4V4LMT3MHMWFRG7M5MOMQRL","bundle":"https://pith.science/pith/FEG4V4LMT3MHMWFRG7M5MOMQRL/bundle.json","state":"https://pith.science/pith/FEG4V4LMT3MHMWFRG7M5MOMQRL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FEG4V4LMT3MHMWFRG7M5MOMQRL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:FEG4V4LMT3MHMWFRG7M5MOMQRL","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":"276251f85da3eb6e577d6b1e48fa863d8c306d31c4792decd974bbab2d9c5771","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2012-08-03T13:46:30Z","title_canon_sha256":"8d16c324f0bc532595a2ca18fcaa68e1cb95551a8ac75d569353fbba77dc0fa4"},"schema_version":"1.0","source":{"id":"1208.0741","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.0741","created_at":"2026-05-18T03:49:22Z"},{"alias_kind":"arxiv_version","alias_value":"1208.0741v1","created_at":"2026-05-18T03:49:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.0741","created_at":"2026-05-18T03:49:22Z"},{"alias_kind":"pith_short_12","alias_value":"FEG4V4LMT3MH","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"FEG4V4LMT3MHMWFR","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"FEG4V4LM","created_at":"2026-05-18T12:27:06Z"}],"graph_snapshots":[{"event_id":"sha256:9de46407a5a384e057cd0ea7517f1f71dcca7a646177d2c1977aa285abfeb1f3","target":"graph","created_at":"2026-05-18T03:49:22Z","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"},"paper":{"abstract_excerpt":"The recent remark by G. Mourou and T. Tajima (Science 331, 41 (2011)) on the intensity of the driver laser pulse and the duration of the created pulse that higher driver beam intensities are needed to reach shorter pulses of radiation remains a conjecture without clear theoretical reasoning so far. Here we offer its extension to the case of relativistic electron bunches as the laser's radiating medium (free-electron laser). This also bolsters the understanding of the underlying physical principle of the Conjecture.","authors_text":"F. Gr\\\"uner, G. Mourou, I. Dornmair, T. Seggebrock, T. Tajima","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2012-08-03T13:46:30Z","title":"The Pulse Intensity-Duration Conjecture: Evidence from Free-Electron Lasers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.0741","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":"sha256:448956518c98aff7697d1b519295a504e7031a0597e2df6003c4d9015781881a","target":"record","created_at":"2026-05-18T03:49:22Z","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":"276251f85da3eb6e577d6b1e48fa863d8c306d31c4792decd974bbab2d9c5771","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2012-08-03T13:46:30Z","title_canon_sha256":"8d16c324f0bc532595a2ca18fcaa68e1cb95551a8ac75d569353fbba77dc0fa4"},"schema_version":"1.0","source":{"id":"1208.0741","kind":"arxiv","version":1}},"canonical_sha256":"290dcaf16c9ed87658b137d9d639908af18eaa1d5bda370945c1db760d686145","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"290dcaf16c9ed87658b137d9d639908af18eaa1d5bda370945c1db760d686145","first_computed_at":"2026-05-18T03:49:22.940254Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:49:22.940254Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"M2zlvpBagFR6AwMN2Eak4/A9af3p03LncGlfye98ZNMN2ZNmFDHLHyN9LwgeTXejr0fs7nRRxoE40NS1a2OcDw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:49:22.940894Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.0741","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:448956518c98aff7697d1b519295a504e7031a0597e2df6003c4d9015781881a","sha256:9de46407a5a384e057cd0ea7517f1f71dcca7a646177d2c1977aa285abfeb1f3"],"state_sha256":"bbd3016e01becfe9de0d959ebf69fab554b357b0dff9b84bab3eba3b205eb803"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AUn4Zkoyq6ijI4LO7fpPbKVJO/Li0AWBuEYjFMP//bSwLo/ZJxIvotdeGrX87r9Vw4Ll1sxO/pZhLEMw6YvCAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T03:01:56.314576Z","bundle_sha256":"0a7b4be2e8b7eacd832029b10e8ddc22c32ee25feb39c8b7f270749aec8e08e2"}}