{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:A27R4TENJ4ZY3EKMFOIHWJ5RXU","short_pith_number":"pith:A27R4TEN","canonical_record":{"source":{"id":"1210.1469","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-10-04T14:38:55Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"6af1feaee46059c8b7db64c0e5626562d81855a06a7492b8f2b13fb96bb4eff9","abstract_canon_sha256":"af1011791768d6ccc01dc698a79b1425f285a7e50855ac130fbe2bcdc51c29fb"},"schema_version":"1.0"},"canonical_sha256":"06bf1e4c8d4f338d914c2b907b27b1bd1000262b1f9865b78e73067505d15345","source":{"kind":"arxiv","id":"1210.1469","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.1469","created_at":"2026-05-18T01:54:05Z"},{"alias_kind":"arxiv_version","alias_value":"1210.1469v1","created_at":"2026-05-18T01:54:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.1469","created_at":"2026-05-18T01:54:05Z"},{"alias_kind":"pith_short_12","alias_value":"A27R4TENJ4ZY","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"A27R4TENJ4ZY3EKM","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"A27R4TEN","created_at":"2026-05-18T12:26:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:A27R4TENJ4ZY3EKMFOIHWJ5RXU","target":"record","payload":{"canonical_record":{"source":{"id":"1210.1469","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-10-04T14:38:55Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"6af1feaee46059c8b7db64c0e5626562d81855a06a7492b8f2b13fb96bb4eff9","abstract_canon_sha256":"af1011791768d6ccc01dc698a79b1425f285a7e50855ac130fbe2bcdc51c29fb"},"schema_version":"1.0"},"canonical_sha256":"06bf1e4c8d4f338d914c2b907b27b1bd1000262b1f9865b78e73067505d15345","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:54:05.742711Z","signature_b64":"04BJPs6wMg7/W6Pj1Nh94u68GjB2lbv0EYPh/3xQjaQNJcUKDbCym5BCEXMAjMkPtMmRvlUY/ap5Rc1u+PVUCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"06bf1e4c8d4f338d914c2b907b27b1bd1000262b1f9865b78e73067505d15345","last_reissued_at":"2026-05-18T01:54:05.742271Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:54:05.742271Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.1469","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":"2026-05-18T01:54:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0ylBjRo+cM+fsDQRywNeIJ2fLfoR9MbMmLQbT+xNQoNEgPpyTSxsGeVE8V+4lxVMlSuTEQ9qUFQ+BB+F2KhkDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T11:10:09.201799Z"},"content_sha256":"481b8eb6fedc6621e9979aa91e7d471cb8e9b5d9ea677a61e081b44e1045281e","schema_version":"1.0","event_id":"sha256:481b8eb6fedc6621e9979aa91e7d471cb8e9b5d9ea677a61e081b44e1045281e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:A27R4TENJ4ZY3EKMFOIHWJ5RXU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Graphene Oxide vs. Reduced Graphene Oxide as saturable absorbers for Er-doped passively mode-locked fiber laser","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Grzegorz Sobon, Jakub Boguslawski, Jaroslaw Sotor, Joanna Jagiello, Krzysztof M. Abramski, Ludwika Lipinska, Marcin Holdynski, Mariusz Zdrojek, Piotr Paletko, Rafal Kozinski","submitted_at":"2012-10-04T14:38:55Z","abstract_excerpt":"In this work we demonstrate comprehensive studies on graphene oxide (GO) and reduced graphene oxide (rGO) based saturable absorbers (SA) for mode-locking of Er-doped fiber lasers. The paper describes the fabrication process of both saturable absorbers and detailed comparison of their parameters. Our results show, that there is no significant difference in the laser performance between the investigated SA. Both provided stable, mode-locked operation with sub-400 fs soliton pulses and more than 9 nm optical bandwidth at 1560 nm center wavelength. It has been shown that GO might be successfully u"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.1469","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":"2026-05-18T01:54:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SeVsGezFZbPAVHL7wYLQ22FLK2ZLFo0HxLmBgWC7s0KMxrHU+GssYYjElvkOvvUPoqxdUSMh6BajOV0HELPFAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T11:10:09.202148Z"},"content_sha256":"8f5fb1b29b29dbb7bed2e6a86c00a8abf87dfb5aa5278e5c22805a960069f394","schema_version":"1.0","event_id":"sha256:8f5fb1b29b29dbb7bed2e6a86c00a8abf87dfb5aa5278e5c22805a960069f394"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A27R4TENJ4ZY3EKMFOIHWJ5RXU/bundle.json","state_url":"https://pith.science/pith/A27R4TENJ4ZY3EKMFOIHWJ5RXU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A27R4TENJ4ZY3EKMFOIHWJ5RXU/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":"2026-06-03T11:10:09Z","links":{"resolver":"https://pith.science/pith/A27R4TENJ4ZY3EKMFOIHWJ5RXU","bundle":"https://pith.science/pith/A27R4TENJ4ZY3EKMFOIHWJ5RXU/bundle.json","state":"https://pith.science/pith/A27R4TENJ4ZY3EKMFOIHWJ5RXU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A27R4TENJ4ZY3EKMFOIHWJ5RXU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:A27R4TENJ4ZY3EKMFOIHWJ5RXU","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":"af1011791768d6ccc01dc698a79b1425f285a7e50855ac130fbe2bcdc51c29fb","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-10-04T14:38:55Z","title_canon_sha256":"6af1feaee46059c8b7db64c0e5626562d81855a06a7492b8f2b13fb96bb4eff9"},"schema_version":"1.0","source":{"id":"1210.1469","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.1469","created_at":"2026-05-18T01:54:05Z"},{"alias_kind":"arxiv_version","alias_value":"1210.1469v1","created_at":"2026-05-18T01:54:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.1469","created_at":"2026-05-18T01:54:05Z"},{"alias_kind":"pith_short_12","alias_value":"A27R4TENJ4ZY","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"A27R4TENJ4ZY3EKM","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"A27R4TEN","created_at":"2026-05-18T12:26:58Z"}],"graph_snapshots":[{"event_id":"sha256:8f5fb1b29b29dbb7bed2e6a86c00a8abf87dfb5aa5278e5c22805a960069f394","target":"graph","created_at":"2026-05-18T01:54:05Z","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":"In this work we demonstrate comprehensive studies on graphene oxide (GO) and reduced graphene oxide (rGO) based saturable absorbers (SA) for mode-locking of Er-doped fiber lasers. The paper describes the fabrication process of both saturable absorbers and detailed comparison of their parameters. Our results show, that there is no significant difference in the laser performance between the investigated SA. Both provided stable, mode-locked operation with sub-400 fs soliton pulses and more than 9 nm optical bandwidth at 1560 nm center wavelength. It has been shown that GO might be successfully u","authors_text":"Grzegorz Sobon, Jakub Boguslawski, Jaroslaw Sotor, Joanna Jagiello, Krzysztof M. Abramski, Ludwika Lipinska, Marcin Holdynski, Mariusz Zdrojek, Piotr Paletko, Rafal Kozinski","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-10-04T14:38:55Z","title":"Graphene Oxide vs. Reduced Graphene Oxide as saturable absorbers for Er-doped passively mode-locked fiber laser"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.1469","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":"sha256:481b8eb6fedc6621e9979aa91e7d471cb8e9b5d9ea677a61e081b44e1045281e","target":"record","created_at":"2026-05-18T01:54:05Z","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":"af1011791768d6ccc01dc698a79b1425f285a7e50855ac130fbe2bcdc51c29fb","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-10-04T14:38:55Z","title_canon_sha256":"6af1feaee46059c8b7db64c0e5626562d81855a06a7492b8f2b13fb96bb4eff9"},"schema_version":"1.0","source":{"id":"1210.1469","kind":"arxiv","version":1}},"canonical_sha256":"06bf1e4c8d4f338d914c2b907b27b1bd1000262b1f9865b78e73067505d15345","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"06bf1e4c8d4f338d914c2b907b27b1bd1000262b1f9865b78e73067505d15345","first_computed_at":"2026-05-18T01:54:05.742271Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:54:05.742271Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"04BJPs6wMg7/W6Pj1Nh94u68GjB2lbv0EYPh/3xQjaQNJcUKDbCym5BCEXMAjMkPtMmRvlUY/ap5Rc1u+PVUCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:54:05.742711Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.1469","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:481b8eb6fedc6621e9979aa91e7d471cb8e9b5d9ea677a61e081b44e1045281e","sha256:8f5fb1b29b29dbb7bed2e6a86c00a8abf87dfb5aa5278e5c22805a960069f394"],"state_sha256":"9fff24cfccf4e9d039cde85412f080b922a9905a0fd61fa6224028390d1b6002"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z0UqczihS/0M9JhjG+VbasSiupm0hM37nK1ZgZIaecG0oabxMjk30D364VGvjmS+2AepgLTPRMkdzSem8aLwDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T11:10:09.204099Z","bundle_sha256":"7486a26ba5522ff7cc64f86a3b36f271c9af2a10f16ab4f830af87249010a70c"}}