{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:6RHBIGEOOE4Z3CZ3W5VWGBT25K","short_pith_number":"pith:6RHBIGEO","canonical_record":{"source":{"id":"1204.0955","kind":"arxiv","version":5},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.atom-ph","submitted_at":"2012-04-04T14:12:37Z","cross_cats_sorted":["physics.optics","quant-ph"],"title_canon_sha256":"15766f9148ed5fefc77df67876fd486785618e3f81ec794fd600572168d9e069","abstract_canon_sha256":"eed11b925e17fa3f99c47397df549a3ed9fe17d05afd937ca5d5b83992ad400b"},"schema_version":"1.0"},"canonical_sha256":"f44e14188e71399d8b3bb76b63067aeab48fc2b8313437b0525448e8263047d8","source":{"kind":"arxiv","id":"1204.0955","version":5},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.0955","created_at":"2026-05-18T03:34:59Z"},{"alias_kind":"arxiv_version","alias_value":"1204.0955v5","created_at":"2026-05-18T03:34:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.0955","created_at":"2026-05-18T03:34:59Z"},{"alias_kind":"pith_short_12","alias_value":"6RHBIGEOOE4Z","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"6RHBIGEOOE4Z3CZ3","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"6RHBIGEO","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:6RHBIGEOOE4Z3CZ3W5VWGBT25K","target":"record","payload":{"canonical_record":{"source":{"id":"1204.0955","kind":"arxiv","version":5},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.atom-ph","submitted_at":"2012-04-04T14:12:37Z","cross_cats_sorted":["physics.optics","quant-ph"],"title_canon_sha256":"15766f9148ed5fefc77df67876fd486785618e3f81ec794fd600572168d9e069","abstract_canon_sha256":"eed11b925e17fa3f99c47397df549a3ed9fe17d05afd937ca5d5b83992ad400b"},"schema_version":"1.0"},"canonical_sha256":"f44e14188e71399d8b3bb76b63067aeab48fc2b8313437b0525448e8263047d8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:34:59.444354Z","signature_b64":"3nUtF4UEnVSwrWtvrnMvq/ie70hHJur6nljmWl6Zc0mc4pJhH3y/cuPzlW2kiNGpVfnR6NtTPwRDWlVymtTECA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f44e14188e71399d8b3bb76b63067aeab48fc2b8313437b0525448e8263047d8","last_reissued_at":"2026-05-18T03:34:59.443588Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:34:59.443588Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.0955","source_version":5,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:34:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uMTLnvNDxTvuK/33yuaproZn6brhvnj1z9SlCzuaYtA4ThosKpr9VEfv75/j7YelMsiF0X6WRUEgu+Jj7IpUAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T18:51:51.534451Z"},"content_sha256":"0dfa87602f5505137403fdefdad1bc023fcc796f55e5f3f98abf0bb696ae05a0","schema_version":"1.0","event_id":"sha256:0dfa87602f5505137403fdefdad1bc023fcc796f55e5f3f98abf0bb696ae05a0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:6RHBIGEOOE4Z3CZ3W5VWGBT25K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Light storage based on four-wave mixing and electromagnetically induced transparency in cold atoms","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":["physics.optics","quant-ph"],"primary_cat":"physics.atom-ph","authors_text":"Bao-Sen Shi, Dong-Sheng Ding, Guang-Can Guo, Jinghui Wu, Yang Liu, Zhi-Yuan Zhou","submitted_at":"2012-04-04T14:12:37Z","abstract_excerpt":"We performed an experiment to observe the storages of an input probe field and an idler field generated through an off-axis four-wave mixing (FWM) process via a double-lambda configuration in a cold atomic ensemble. We analyzed the underlying physics in detail and found that the retrieved idler field came from two parts if there was no single-photon detuning for pump pulse: part 1 was from the collective atomic spin (the input probe field, the coupling field and the pump field combined to generate the idle field through FWM, then the idler was stored through electromagnetically induced transpa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.0955","kind":"arxiv","version":5},"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":"2026-05-18T03:34:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CAUnD1wJ1NNBIqpZrjVyrR8sUQCdBTABBX1yDK1DXcpZ5eNARqmg0ucUa1LPqRRqRqWo0SXsQHrrG4F570K4CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T18:51:51.535159Z"},"content_sha256":"87922f50fca827840ffa6ddfb9856efb14dedbd150f91931674eb5227750d14f","schema_version":"1.0","event_id":"sha256:87922f50fca827840ffa6ddfb9856efb14dedbd150f91931674eb5227750d14f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6RHBIGEOOE4Z3CZ3W5VWGBT25K/bundle.json","state_url":"https://pith.science/pith/6RHBIGEOOE4Z3CZ3W5VWGBT25K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6RHBIGEOOE4Z3CZ3W5VWGBT25K/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":"2026-05-30T18:51:51Z","links":{"resolver":"https://pith.science/pith/6RHBIGEOOE4Z3CZ3W5VWGBT25K","bundle":"https://pith.science/pith/6RHBIGEOOE4Z3CZ3W5VWGBT25K/bundle.json","state":"https://pith.science/pith/6RHBIGEOOE4Z3CZ3W5VWGBT25K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6RHBIGEOOE4Z3CZ3W5VWGBT25K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:6RHBIGEOOE4Z3CZ3W5VWGBT25K","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":"eed11b925e17fa3f99c47397df549a3ed9fe17d05afd937ca5d5b83992ad400b","cross_cats_sorted":["physics.optics","quant-ph"],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.atom-ph","submitted_at":"2012-04-04T14:12:37Z","title_canon_sha256":"15766f9148ed5fefc77df67876fd486785618e3f81ec794fd600572168d9e069"},"schema_version":"1.0","source":{"id":"1204.0955","kind":"arxiv","version":5}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.0955","created_at":"2026-05-18T03:34:59Z"},{"alias_kind":"arxiv_version","alias_value":"1204.0955v5","created_at":"2026-05-18T03:34:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.0955","created_at":"2026-05-18T03:34:59Z"},{"alias_kind":"pith_short_12","alias_value":"6RHBIGEOOE4Z","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"6RHBIGEOOE4Z3CZ3","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"6RHBIGEO","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:87922f50fca827840ffa6ddfb9856efb14dedbd150f91931674eb5227750d14f","target":"graph","created_at":"2026-05-18T03:34:59Z","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"},"paper":{"abstract_excerpt":"We performed an experiment to observe the storages of an input probe field and an idler field generated through an off-axis four-wave mixing (FWM) process via a double-lambda configuration in a cold atomic ensemble. We analyzed the underlying physics in detail and found that the retrieved idler field came from two parts if there was no single-photon detuning for pump pulse: part 1 was from the collective atomic spin (the input probe field, the coupling field and the pump field combined to generate the idle field through FWM, then the idler was stored through electromagnetically induced transpa","authors_text":"Bao-Sen Shi, Dong-Sheng Ding, Guang-Can Guo, Jinghui Wu, Yang Liu, Zhi-Yuan Zhou","cross_cats":["physics.optics","quant-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.atom-ph","submitted_at":"2012-04-04T14:12:37Z","title":"Light storage based on four-wave mixing and electromagnetically induced transparency in cold atoms"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.0955","kind":"arxiv","version":5},"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":"sha256:0dfa87602f5505137403fdefdad1bc023fcc796f55e5f3f98abf0bb696ae05a0","target":"record","created_at":"2026-05-18T03:34:59Z","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":"eed11b925e17fa3f99c47397df549a3ed9fe17d05afd937ca5d5b83992ad400b","cross_cats_sorted":["physics.optics","quant-ph"],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.atom-ph","submitted_at":"2012-04-04T14:12:37Z","title_canon_sha256":"15766f9148ed5fefc77df67876fd486785618e3f81ec794fd600572168d9e069"},"schema_version":"1.0","source":{"id":"1204.0955","kind":"arxiv","version":5}},"canonical_sha256":"f44e14188e71399d8b3bb76b63067aeab48fc2b8313437b0525448e8263047d8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f44e14188e71399d8b3bb76b63067aeab48fc2b8313437b0525448e8263047d8","first_computed_at":"2026-05-18T03:34:59.443588Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:34:59.443588Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3nUtF4UEnVSwrWtvrnMvq/ie70hHJur6nljmWl6Zc0mc4pJhH3y/cuPzlW2kiNGpVfnR6NtTPwRDWlVymtTECA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:34:59.444354Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.0955","source_kind":"arxiv","source_version":5}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0dfa87602f5505137403fdefdad1bc023fcc796f55e5f3f98abf0bb696ae05a0","sha256:87922f50fca827840ffa6ddfb9856efb14dedbd150f91931674eb5227750d14f"],"state_sha256":"63f8d18b3f57b937019e326530b75c80d167d2028f407f5ea8dd7ae83fe01899"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9R1ozHBUQRM0YkcIcR8EvgBVO+aMd2CVloy1GGz805w3rMXna97aQj5BG+BX8c6D2mJl8ycqcyvVkZvXuqK1Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T18:51:51.539381Z","bundle_sha256":"2e9ca665f6fa4ad3f7c9a3ebf65c14f15038ac20588b8c98ee3e2eb25c3a1d69"}}