{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:Q3PSQ4N2AXDIKAY7J55XXYSQSV","short_pith_number":"pith:Q3PSQ4N2","canonical_record":{"source":{"id":"1009.5480","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-09-28T07:41:32Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"5922e4e94cd16097bdac2655fe0d93be8bf74f7c6d8957cb5e74fc6c0fb18835","abstract_canon_sha256":"246522918d8da4e438ce9b038a4cc13238d5f558369acbcd52676ccbfd58fb54"},"schema_version":"1.0"},"canonical_sha256":"86df2871ba05c685031f4f7b7be250955ecfe4c21674d90e85dc9595b6f946de","source":{"kind":"arxiv","id":"1009.5480","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.5480","created_at":"2026-05-18T03:48:35Z"},{"alias_kind":"arxiv_version","alias_value":"1009.5480v1","created_at":"2026-05-18T03:48:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.5480","created_at":"2026-05-18T03:48:35Z"},{"alias_kind":"pith_short_12","alias_value":"Q3PSQ4N2AXDI","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"Q3PSQ4N2AXDIKAY7","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"Q3PSQ4N2","created_at":"2026-05-18T12:26:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:Q3PSQ4N2AXDIKAY7J55XXYSQSV","target":"record","payload":{"canonical_record":{"source":{"id":"1009.5480","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-09-28T07:41:32Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"5922e4e94cd16097bdac2655fe0d93be8bf74f7c6d8957cb5e74fc6c0fb18835","abstract_canon_sha256":"246522918d8da4e438ce9b038a4cc13238d5f558369acbcd52676ccbfd58fb54"},"schema_version":"1.0"},"canonical_sha256":"86df2871ba05c685031f4f7b7be250955ecfe4c21674d90e85dc9595b6f946de","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:48:35.702062Z","signature_b64":"+Fjx7UBGFxW9/orzlto7vJstL0HDfW16v3YWijwCUYQH89iRca277bCJgwL76H+1JSbCLZvYhmhTUSX1yeHlBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"86df2871ba05c685031f4f7b7be250955ecfe4c21674d90e85dc9595b6f946de","last_reissued_at":"2026-05-18T03:48:35.701633Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:48:35.701633Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1009.5480","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":"2026-05-18T03:48:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o6R66tDTvONfgyGBtAW9xBN66DE2K7ygwCNFXOtksN19JJi30MtboYcPV8TNtvqeIxURhfp7MWmW0TAqEkscAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T16:30:51.185525Z"},"content_sha256":"b807bbb1eaba481037d5855087f501fbb01e2fdb590f1a58cc799ade8efa7bb7","schema_version":"1.0","event_id":"sha256:b807bbb1eaba481037d5855087f501fbb01e2fdb590f1a58cc799ade8efa7bb7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:Q3PSQ4N2AXDIKAY7J55XXYSQSV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Continuous Lyman-alpha generation by four-wave mixing in mercury for laser-cooling of antihydrogen","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"physics.optics","authors_text":"A. Beczkowiak, A. Koglbauer, A. M\\\"ullers, D. Kolbe, J. Walz, M. Scheid, M. Stappel, R. Steinborn, T. Diehl","submitted_at":"2010-09-28T07:41:32Z","abstract_excerpt":"Cooling antihydrogen atoms is important for future experiments both to test the fundamental CPT symmetry by high-resolution laser spectroscopy and also to measure the gravitational acceleration of antimatter. Laser-cooling of antihydrogen can be done on the strong 1S-2P transition at the wavelength of Lyman-alpha (121.6nm). A continuous-wave laser at the Lyman-alpha wavelength based on solid-state fundamental lasers is described. By using a two-photon and a near one photon resonance a scan across the whole phasematching curve of the four-wave mixing process is possible. Furthermore the influen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.5480","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":"2026-05-18T03:48:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QV3UM+MhxclUso9U4Cy9/L2XVxvkjqieqS913JZLVAEhh10b53W8+fIPm0yCoMON7uFW0ZgOcxJ6UNzfm6fADg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T16:30:51.186189Z"},"content_sha256":"29a433ffe1932d9c750ebbc08d0ab7ed86171abd99d9bf4fac38aebb857d7dce","schema_version":"1.0","event_id":"sha256:29a433ffe1932d9c750ebbc08d0ab7ed86171abd99d9bf4fac38aebb857d7dce"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q3PSQ4N2AXDIKAY7J55XXYSQSV/bundle.json","state_url":"https://pith.science/pith/Q3PSQ4N2AXDIKAY7J55XXYSQSV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q3PSQ4N2AXDIKAY7J55XXYSQSV/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":"2026-05-28T16:30:51Z","links":{"resolver":"https://pith.science/pith/Q3PSQ4N2AXDIKAY7J55XXYSQSV","bundle":"https://pith.science/pith/Q3PSQ4N2AXDIKAY7J55XXYSQSV/bundle.json","state":"https://pith.science/pith/Q3PSQ4N2AXDIKAY7J55XXYSQSV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q3PSQ4N2AXDIKAY7J55XXYSQSV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:Q3PSQ4N2AXDIKAY7J55XXYSQSV","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":"246522918d8da4e438ce9b038a4cc13238d5f558369acbcd52676ccbfd58fb54","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-09-28T07:41:32Z","title_canon_sha256":"5922e4e94cd16097bdac2655fe0d93be8bf74f7c6d8957cb5e74fc6c0fb18835"},"schema_version":"1.0","source":{"id":"1009.5480","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.5480","created_at":"2026-05-18T03:48:35Z"},{"alias_kind":"arxiv_version","alias_value":"1009.5480v1","created_at":"2026-05-18T03:48:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.5480","created_at":"2026-05-18T03:48:35Z"},{"alias_kind":"pith_short_12","alias_value":"Q3PSQ4N2AXDI","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"Q3PSQ4N2AXDIKAY7","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"Q3PSQ4N2","created_at":"2026-05-18T12:26:12Z"}],"graph_snapshots":[{"event_id":"sha256:29a433ffe1932d9c750ebbc08d0ab7ed86171abd99d9bf4fac38aebb857d7dce","target":"graph","created_at":"2026-05-18T03:48:35Z","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":"Cooling antihydrogen atoms is important for future experiments both to test the fundamental CPT symmetry by high-resolution laser spectroscopy and also to measure the gravitational acceleration of antimatter. Laser-cooling of antihydrogen can be done on the strong 1S-2P transition at the wavelength of Lyman-alpha (121.6nm). A continuous-wave laser at the Lyman-alpha wavelength based on solid-state fundamental lasers is described. By using a two-photon and a near one photon resonance a scan across the whole phasematching curve of the four-wave mixing process is possible. Furthermore the influen","authors_text":"A. Beczkowiak, A. Koglbauer, A. M\\\"ullers, D. Kolbe, J. Walz, M. Scheid, M. Stappel, R. Steinborn, T. Diehl","cross_cats":["physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-09-28T07:41:32Z","title":"Continuous Lyman-alpha generation by four-wave mixing in mercury for laser-cooling of antihydrogen"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.5480","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:b807bbb1eaba481037d5855087f501fbb01e2fdb590f1a58cc799ade8efa7bb7","target":"record","created_at":"2026-05-18T03:48:35Z","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":"246522918d8da4e438ce9b038a4cc13238d5f558369acbcd52676ccbfd58fb54","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-09-28T07:41:32Z","title_canon_sha256":"5922e4e94cd16097bdac2655fe0d93be8bf74f7c6d8957cb5e74fc6c0fb18835"},"schema_version":"1.0","source":{"id":"1009.5480","kind":"arxiv","version":1}},"canonical_sha256":"86df2871ba05c685031f4f7b7be250955ecfe4c21674d90e85dc9595b6f946de","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"86df2871ba05c685031f4f7b7be250955ecfe4c21674d90e85dc9595b6f946de","first_computed_at":"2026-05-18T03:48:35.701633Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:48:35.701633Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+Fjx7UBGFxW9/orzlto7vJstL0HDfW16v3YWijwCUYQH89iRca277bCJgwL76H+1JSbCLZvYhmhTUSX1yeHlBw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:48:35.702062Z","signed_message":"canonical_sha256_bytes"},"source_id":"1009.5480","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b807bbb1eaba481037d5855087f501fbb01e2fdb590f1a58cc799ade8efa7bb7","sha256:29a433ffe1932d9c750ebbc08d0ab7ed86171abd99d9bf4fac38aebb857d7dce"],"state_sha256":"c2c51bbb9deaf1e85d0883eed508e105768adb96d5fe6a7c5fa94c59685d1e47"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TthSD4LGsxtmeKK8W5OrUhNiJe+Rg+CHSOQ3hjsZTPYwW21TixcfhI3zFIKIXB2xTOOs/Es2oQCPaSZLyK9qCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T16:30:51.189648Z","bundle_sha256":"4df2370c4c6b72c20b087f428daf38e4a51848c53adf3e72a9806c83a8016d72"}}