{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:LJIV2M5G4JWV7SJ2WGWTMY62KS","short_pith_number":"pith:LJIV2M5G","canonical_record":{"source":{"id":"1203.5394","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-03-24T07:38:22Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"ff9a50fbdc9bc1e49370625898de90a46dc4636f7057410789f0225b7b9b6515","abstract_canon_sha256":"1c68c626cb6c9f0ff05cacadf9908ea50e798fdd417b4d9275f23c1059ee69fb"},"schema_version":"1.0"},"canonical_sha256":"5a515d33a6e26d5fc93ab1ad3663da54a572eb7dc03b9197cd9c8571f1daa64b","source":{"kind":"arxiv","id":"1203.5394","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.5394","created_at":"2026-05-18T03:23:11Z"},{"alias_kind":"arxiv_version","alias_value":"1203.5394v2","created_at":"2026-05-18T03:23:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.5394","created_at":"2026-05-18T03:23:11Z"},{"alias_kind":"pith_short_12","alias_value":"LJIV2M5G4JWV","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"LJIV2M5G4JWV7SJ2","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"LJIV2M5G","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:LJIV2M5G4JWV7SJ2WGWTMY62KS","target":"record","payload":{"canonical_record":{"source":{"id":"1203.5394","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-03-24T07:38:22Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"ff9a50fbdc9bc1e49370625898de90a46dc4636f7057410789f0225b7b9b6515","abstract_canon_sha256":"1c68c626cb6c9f0ff05cacadf9908ea50e798fdd417b4d9275f23c1059ee69fb"},"schema_version":"1.0"},"canonical_sha256":"5a515d33a6e26d5fc93ab1ad3663da54a572eb7dc03b9197cd9c8571f1daa64b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:23:11.363925Z","signature_b64":"nxUMDyBfgxPoY1dixyyWnwVHKV1nyu0IXBNu5ebTlOjmUnhFfoSaSm1oKJ6iiECJrvQYQP7mmub7EBD3ONafBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5a515d33a6e26d5fc93ab1ad3663da54a572eb7dc03b9197cd9c8571f1daa64b","last_reissued_at":"2026-05-18T03:23:11.363371Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:23:11.363371Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1203.5394","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":"2026-05-18T03:23:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X23Ocj8ZVOij4RxhvLZaHzJegPXp3h6Rl96a97OV9w9p26YAzaFXlXHyYHZDnG+2wtS25LWTjMJTZvSBhgEVBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T06:41:35.885629Z"},"content_sha256":"e8852f630633046bd078e3e4214d86786bc26735323970ca3558d1c2ac84caf5","schema_version":"1.0","event_id":"sha256:e8852f630633046bd078e3e4214d86786bc26735323970ca3558d1c2ac84caf5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:LJIV2M5G4JWV7SJ2WGWTMY62KS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamics of two-photon paired superradiance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"quant-ph","authors_text":"M. Tanaka, M. Yoshimura, N. Sasao","submitted_at":"2012-03-24T07:38:22Z","abstract_excerpt":"We develop for dipole-forbidden transition a dynamical theory of two-photon paired superradiance, or PSR for short. This is a cooperative process characterized by two photons back to back emitted with equal energies. By irradiation of trigger laser from two target ends, with its frequency tuned at the half energy between two levels, a macroscopically coherent state of medium and fields dynamically emerges as time evolves and large signal of amplified output occurs with a time delay. The basic semi-classical equations in 1+1 spacetime dimensions are derived for the field plus medium system to d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.5394","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":"2026-05-18T03:23:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jl31P5zohj51XgiL78i/UhG1TH7w7tRi1QPtPTeAsXf/vWNyHRUHrxzyOeNUIdp1FMYNb/l4siiHnlOKRgV7AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T06:41:35.886335Z"},"content_sha256":"9f285a4dfaa9c233375de417140b224412120c5d0783b64313716fc814db2751","schema_version":"1.0","event_id":"sha256:9f285a4dfaa9c233375de417140b224412120c5d0783b64313716fc814db2751"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LJIV2M5G4JWV7SJ2WGWTMY62KS/bundle.json","state_url":"https://pith.science/pith/LJIV2M5G4JWV7SJ2WGWTMY62KS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LJIV2M5G4JWV7SJ2WGWTMY62KS/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":"2026-06-07T06:41:35Z","links":{"resolver":"https://pith.science/pith/LJIV2M5G4JWV7SJ2WGWTMY62KS","bundle":"https://pith.science/pith/LJIV2M5G4JWV7SJ2WGWTMY62KS/bundle.json","state":"https://pith.science/pith/LJIV2M5G4JWV7SJ2WGWTMY62KS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LJIV2M5G4JWV7SJ2WGWTMY62KS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:LJIV2M5G4JWV7SJ2WGWTMY62KS","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":"1c68c626cb6c9f0ff05cacadf9908ea50e798fdd417b4d9275f23c1059ee69fb","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-03-24T07:38:22Z","title_canon_sha256":"ff9a50fbdc9bc1e49370625898de90a46dc4636f7057410789f0225b7b9b6515"},"schema_version":"1.0","source":{"id":"1203.5394","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.5394","created_at":"2026-05-18T03:23:11Z"},{"alias_kind":"arxiv_version","alias_value":"1203.5394v2","created_at":"2026-05-18T03:23:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.5394","created_at":"2026-05-18T03:23:11Z"},{"alias_kind":"pith_short_12","alias_value":"LJIV2M5G4JWV","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"LJIV2M5G4JWV7SJ2","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"LJIV2M5G","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:9f285a4dfaa9c233375de417140b224412120c5d0783b64313716fc814db2751","target":"graph","created_at":"2026-05-18T03:23:11Z","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":"We develop for dipole-forbidden transition a dynamical theory of two-photon paired superradiance, or PSR for short. This is a cooperative process characterized by two photons back to back emitted with equal energies. By irradiation of trigger laser from two target ends, with its frequency tuned at the half energy between two levels, a macroscopically coherent state of medium and fields dynamically emerges as time evolves and large signal of amplified output occurs with a time delay. The basic semi-classical equations in 1+1 spacetime dimensions are derived for the field plus medium system to d","authors_text":"M. Tanaka, M. Yoshimura, N. Sasao","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-03-24T07:38:22Z","title":"Dynamics of two-photon paired superradiance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.5394","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:e8852f630633046bd078e3e4214d86786bc26735323970ca3558d1c2ac84caf5","target":"record","created_at":"2026-05-18T03:23:11Z","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":"1c68c626cb6c9f0ff05cacadf9908ea50e798fdd417b4d9275f23c1059ee69fb","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-03-24T07:38:22Z","title_canon_sha256":"ff9a50fbdc9bc1e49370625898de90a46dc4636f7057410789f0225b7b9b6515"},"schema_version":"1.0","source":{"id":"1203.5394","kind":"arxiv","version":2}},"canonical_sha256":"5a515d33a6e26d5fc93ab1ad3663da54a572eb7dc03b9197cd9c8571f1daa64b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5a515d33a6e26d5fc93ab1ad3663da54a572eb7dc03b9197cd9c8571f1daa64b","first_computed_at":"2026-05-18T03:23:11.363371Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:23:11.363371Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nxUMDyBfgxPoY1dixyyWnwVHKV1nyu0IXBNu5ebTlOjmUnhFfoSaSm1oKJ6iiECJrvQYQP7mmub7EBD3ONafBw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:23:11.363925Z","signed_message":"canonical_sha256_bytes"},"source_id":"1203.5394","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e8852f630633046bd078e3e4214d86786bc26735323970ca3558d1c2ac84caf5","sha256:9f285a4dfaa9c233375de417140b224412120c5d0783b64313716fc814db2751"],"state_sha256":"801f2c56090a21b84f806d04204470a1ed91c8724fbe37aba974d67545d242d1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hw1l5uosD04PLvyow5xgqmrRfyRXuLKRx085MPmED8qvKSsDO+y/r+C4gxYFIUMfGvwQI3AY0+Y9l2Derp1fAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T06:41:35.889720Z","bundle_sha256":"a78375cb421a8b0317c0a53bf69f106c12ed3befbb7e1545e00144b24f82aff0"}}