{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:OU2U3POGJUJT5CBU4FKSAMHN47","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":"f7bb1891e36aa4cfb6e46992be20ee12834ae3b917db5dfe2025897c61c6c366","cross_cats_sorted":["cond-mat.other"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"physics.optics","submitted_at":"2019-06-19T15:38:12Z","title_canon_sha256":"315fff63a9831c571cfe535845db2eb934e2026fa0364f55647ad90753bbee94"},"schema_version":"1.0","source":{"id":"1906.08163","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.08163","created_at":"2026-05-17T23:39:53Z"},{"alias_kind":"arxiv_version","alias_value":"1906.08163v1","created_at":"2026-05-17T23:39:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.08163","created_at":"2026-05-17T23:39:53Z"},{"alias_kind":"pith_short_12","alias_value":"OU2U3POGJUJT","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"OU2U3POGJUJT5CBU","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"OU2U3POG","created_at":"2026-05-18T12:33:24Z"}],"graph_snapshots":[{"event_id":"sha256:03ce78f801d19a6ef7f93b09b10ce245445f9ab628601958cfc6ce710c2090cd","target":"graph","created_at":"2026-05-17T23:39:53Z","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 present the state of the art of a compact high-energy mid-infrared laser system for TW-level 8-cycle pulses at 7 um. This system consists of an Er:Tm:Ho:fiber MOPA which serves as the seeder for a ZGP-based OPCPA chain in addition to a Ho:YLF amplifier which is Tm:fiber pumped. Featuring all-optical synchronization, the system delivers 260-mJ pump energy at 2052 nm, 16-ps duration at 100 Hz with a stability of 0.8 % rms over 20 min. We show that chirp inversion in the OPCPA chain leads to excellent energy extraction and aids in compression of the 7-um pulses to 8 optical cycles (188 fs) in ","authors_text":"Christophe Simon-Boisson, Daniel Sanchez, Jens Biegert, Kevin Zawilski, Luke Maidment, Peter Schunemann, Tobias Steinle, Ugaitz Elu, Uwe D. Zeitner","cross_cats":["cond-mat.other"],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"physics.optics","submitted_at":"2019-06-19T15:38:12Z","title":"Table-top high-energy 7 um OPCPA and 260 mJ Ho:YLF pump laser"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.08163","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":"sha256:320bd31f978725b05048247fe273c5bd5916991b248376f973d2fd44d808c7b7","target":"record","created_at":"2026-05-17T23:39:53Z","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":"f7bb1891e36aa4cfb6e46992be20ee12834ae3b917db5dfe2025897c61c6c366","cross_cats_sorted":["cond-mat.other"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"physics.optics","submitted_at":"2019-06-19T15:38:12Z","title_canon_sha256":"315fff63a9831c571cfe535845db2eb934e2026fa0364f55647ad90753bbee94"},"schema_version":"1.0","source":{"id":"1906.08163","kind":"arxiv","version":1}},"canonical_sha256":"75354dbdc64d133e8834e1552030ede7d7a0729af15796bed55c15ce0605bbf9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"75354dbdc64d133e8834e1552030ede7d7a0729af15796bed55c15ce0605bbf9","first_computed_at":"2026-05-17T23:39:53.476971Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:39:53.476971Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Zq+0+LmcHHgrM043irS2xyECPb/ciJmkMqCMwsve/ev3gUIeiANlTA+np+Ioh2U31CnmPbYpbW1pB4WY/XwDAw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:39:53.477469Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.08163","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:320bd31f978725b05048247fe273c5bd5916991b248376f973d2fd44d808c7b7","sha256:03ce78f801d19a6ef7f93b09b10ce245445f9ab628601958cfc6ce710c2090cd"],"state_sha256":"9b661e0945cfeb596be401eb5670a0a1f774b3ec421fdcbc3e62b9d86cb08170"}