{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:SHEJZ2Z4ISQVWGWNWLKLWGADMD","short_pith_number":"pith:SHEJZ2Z4","canonical_record":{"source":{"id":"1805.02857","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-05-08T06:47:08Z","cross_cats_sorted":[],"title_canon_sha256":"3b1af206e8609d6b95034c5bd468257218c5ba223d5593407dfd55496a45d0c7","abstract_canon_sha256":"93c876b82a83d10bdfc67f37c7709cc7a42331b9d24c0ecc200d0f7099619591"},"schema_version":"1.0"},"canonical_sha256":"91c89ceb3c44a15b1acdb2d4bb180360d3924b2e48c626f2ce0030266b27b11d","source":{"kind":"arxiv","id":"1805.02857","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.02857","created_at":"2026-05-18T00:16:35Z"},{"alias_kind":"arxiv_version","alias_value":"1805.02857v1","created_at":"2026-05-18T00:16:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.02857","created_at":"2026-05-18T00:16:35Z"},{"alias_kind":"pith_short_12","alias_value":"SHEJZ2Z4ISQV","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"SHEJZ2Z4ISQVWGWN","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"SHEJZ2Z4","created_at":"2026-05-18T12:32:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:SHEJZ2Z4ISQVWGWNWLKLWGADMD","target":"record","payload":{"canonical_record":{"source":{"id":"1805.02857","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-05-08T06:47:08Z","cross_cats_sorted":[],"title_canon_sha256":"3b1af206e8609d6b95034c5bd468257218c5ba223d5593407dfd55496a45d0c7","abstract_canon_sha256":"93c876b82a83d10bdfc67f37c7709cc7a42331b9d24c0ecc200d0f7099619591"},"schema_version":"1.0"},"canonical_sha256":"91c89ceb3c44a15b1acdb2d4bb180360d3924b2e48c626f2ce0030266b27b11d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:16:35.467459Z","signature_b64":"tC3lsmX7GJTca/smEiMvRbjoBJhV4jRsNMWC0+kz4a9LBEmJ7HyZXb3H8AfiMxXQzUw+5UFtghh7XEIFDGB0DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"91c89ceb3c44a15b1acdb2d4bb180360d3924b2e48c626f2ce0030266b27b11d","last_reissued_at":"2026-05-18T00:16:35.466672Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:16:35.466672Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.02857","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":"2026-05-18T00:16:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rFPyCUTOxPY23PamA70zYmZDAdCgUPr/ZVkLbCwMoa4PKF8L815kEx7xyioZ98s3CsUAhZPKfJBkiib10lUGCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:01:14.779594Z"},"content_sha256":"39a6efba540283725a9a0cdcd0f9382bfdcb934197d898cd2175e18e51a0c36b","schema_version":"1.0","event_id":"sha256:39a6efba540283725a9a0cdcd0f9382bfdcb934197d898cd2175e18e51a0c36b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:SHEJZ2Z4ISQVWGWNWLKLWGADMD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Emission beyond 4 {\\mu}m and mid-infrared lasing in a dysprosium-doped indium fluoride (InF3) fiber","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"J.-Y. Carre\\'e, M. Poulain, M. R. Majewski, R. I. Woodward, S. D. Jackson, S. Poulain","submitted_at":"2018-05-08T06:47:08Z","abstract_excerpt":"Optical emission from rare-earth-doped fluoride fibers has thus far been limited to less than 4 {\\mu}m. We extend emission beyond this limit by employing an indium fluoride (InF3) glass fiber as the host, which exhibits an increased infrared transparency over commonly used zirconium fluoride (ZBLAN). Near-infrared pumping of a dysprosium-doped InF3 fiber results in broad emission centered around 4.3 {\\mu}m, representing the longest emission yet achieved from a fluoride fiber. The first laser emission in an InF3 fiber is also demonstrated from the 3 {\\mu}m dysprosium transition. Finally, a freq"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.02857","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":"2026-05-18T00:16:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p87aWxoPWWmSo3gcsBY8JV9oZDMzU2xWTXEFfFvPNnaHoJplEwbvq+ldsfyX1dSfkQRyBnKlMzccPM2uivsgDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:01:14.780259Z"},"content_sha256":"70242d509c2ce69b2ee57790eac8dddc29a3d533c81747f0c59e6a93f57dc730","schema_version":"1.0","event_id":"sha256:70242d509c2ce69b2ee57790eac8dddc29a3d533c81747f0c59e6a93f57dc730"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SHEJZ2Z4ISQVWGWNWLKLWGADMD/bundle.json","state_url":"https://pith.science/pith/SHEJZ2Z4ISQVWGWNWLKLWGADMD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SHEJZ2Z4ISQVWGWNWLKLWGADMD/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":"2026-05-30T11:01:14Z","links":{"resolver":"https://pith.science/pith/SHEJZ2Z4ISQVWGWNWLKLWGADMD","bundle":"https://pith.science/pith/SHEJZ2Z4ISQVWGWNWLKLWGADMD/bundle.json","state":"https://pith.science/pith/SHEJZ2Z4ISQVWGWNWLKLWGADMD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SHEJZ2Z4ISQVWGWNWLKLWGADMD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:SHEJZ2Z4ISQVWGWNWLKLWGADMD","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":"93c876b82a83d10bdfc67f37c7709cc7a42331b9d24c0ecc200d0f7099619591","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-05-08T06:47:08Z","title_canon_sha256":"3b1af206e8609d6b95034c5bd468257218c5ba223d5593407dfd55496a45d0c7"},"schema_version":"1.0","source":{"id":"1805.02857","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.02857","created_at":"2026-05-18T00:16:35Z"},{"alias_kind":"arxiv_version","alias_value":"1805.02857v1","created_at":"2026-05-18T00:16:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.02857","created_at":"2026-05-18T00:16:35Z"},{"alias_kind":"pith_short_12","alias_value":"SHEJZ2Z4ISQV","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"SHEJZ2Z4ISQVWGWN","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"SHEJZ2Z4","created_at":"2026-05-18T12:32:53Z"}],"graph_snapshots":[{"event_id":"sha256:70242d509c2ce69b2ee57790eac8dddc29a3d533c81747f0c59e6a93f57dc730","target":"graph","created_at":"2026-05-18T00:16:35Z","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":"Optical emission from rare-earth-doped fluoride fibers has thus far been limited to less than 4 {\\mu}m. We extend emission beyond this limit by employing an indium fluoride (InF3) glass fiber as the host, which exhibits an increased infrared transparency over commonly used zirconium fluoride (ZBLAN). Near-infrared pumping of a dysprosium-doped InF3 fiber results in broad emission centered around 4.3 {\\mu}m, representing the longest emission yet achieved from a fluoride fiber. The first laser emission in an InF3 fiber is also demonstrated from the 3 {\\mu}m dysprosium transition. Finally, a freq","authors_text":"J.-Y. Carre\\'e, M. Poulain, M. R. Majewski, R. I. Woodward, S. D. Jackson, S. Poulain","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-05-08T06:47:08Z","title":"Emission beyond 4 {\\mu}m and mid-infrared lasing in a dysprosium-doped indium fluoride (InF3) fiber"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.02857","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":"sha256:39a6efba540283725a9a0cdcd0f9382bfdcb934197d898cd2175e18e51a0c36b","target":"record","created_at":"2026-05-18T00:16:35Z","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":"93c876b82a83d10bdfc67f37c7709cc7a42331b9d24c0ecc200d0f7099619591","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-05-08T06:47:08Z","title_canon_sha256":"3b1af206e8609d6b95034c5bd468257218c5ba223d5593407dfd55496a45d0c7"},"schema_version":"1.0","source":{"id":"1805.02857","kind":"arxiv","version":1}},"canonical_sha256":"91c89ceb3c44a15b1acdb2d4bb180360d3924b2e48c626f2ce0030266b27b11d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"91c89ceb3c44a15b1acdb2d4bb180360d3924b2e48c626f2ce0030266b27b11d","first_computed_at":"2026-05-18T00:16:35.466672Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:16:35.466672Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tC3lsmX7GJTca/smEiMvRbjoBJhV4jRsNMWC0+kz4a9LBEmJ7HyZXb3H8AfiMxXQzUw+5UFtghh7XEIFDGB0DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:16:35.467459Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.02857","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:39a6efba540283725a9a0cdcd0f9382bfdcb934197d898cd2175e18e51a0c36b","sha256:70242d509c2ce69b2ee57790eac8dddc29a3d533c81747f0c59e6a93f57dc730"],"state_sha256":"b458094096056efba838e002ee002f1880ae242af35942db01791c6994f09010"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j8snjPBsqx6KWDLhrT9BpGG0rfsmG4XvPbqqS1UkSJb2nKofztZ0HqE3uarvkOwPDVHhR46gfC+0Ch2bC8niDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T11:01:14.783727Z","bundle_sha256":"e6ef128e0e8d3880a6f121ad847ddde5c6ea44fdf6a2902f357b4a9e84a55153"}}