{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:M6YK2XTE7A2ICM3ECFF4YP6QB3","short_pith_number":"pith:M6YK2XTE","canonical_record":{"source":{"id":"2411.17324","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2024-11-26T11:12:35Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.app-ph","physics.comp-ph"],"title_canon_sha256":"49d7a98edbdf9f09d5b391ec2d354f221c40cffdd2220e95c373234892a00cf0","abstract_canon_sha256":"788085d024caf741d339f8199ac57a51b544f1d639ff38ad4ae2db7bd937c1ed"},"schema_version":"1.0"},"canonical_sha256":"67b0ad5e64f834813364114bcc3fd00ec936e0809505596c8cc6ddfaf3d9d4ed","source":{"kind":"arxiv","id":"2411.17324","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.17324","created_at":"2026-06-23T01:11:53Z"},{"alias_kind":"arxiv_version","alias_value":"2411.17324v2","created_at":"2026-06-23T01:11:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.17324","created_at":"2026-06-23T01:11:53Z"},{"alias_kind":"pith_short_12","alias_value":"M6YK2XTE7A2I","created_at":"2026-06-23T01:11:53Z"},{"alias_kind":"pith_short_16","alias_value":"M6YK2XTE7A2ICM3E","created_at":"2026-06-23T01:11:53Z"},{"alias_kind":"pith_short_8","alias_value":"M6YK2XTE","created_at":"2026-06-23T01:11:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:M6YK2XTE7A2ICM3ECFF4YP6QB3","target":"record","payload":{"canonical_record":{"source":{"id":"2411.17324","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2024-11-26T11:12:35Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.app-ph","physics.comp-ph"],"title_canon_sha256":"49d7a98edbdf9f09d5b391ec2d354f221c40cffdd2220e95c373234892a00cf0","abstract_canon_sha256":"788085d024caf741d339f8199ac57a51b544f1d639ff38ad4ae2db7bd937c1ed"},"schema_version":"1.0"},"canonical_sha256":"67b0ad5e64f834813364114bcc3fd00ec936e0809505596c8cc6ddfaf3d9d4ed","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-23T01:11:53.522129Z","signature_b64":"fCm0JDPxBt8bglx2jLu3J8b1q9qwbGvIMt/1XEDqsiJYGkFil5vi4m8pSnpdx6lPLEdkePPDD8ozzMy/dt/9Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"67b0ad5e64f834813364114bcc3fd00ec936e0809505596c8cc6ddfaf3d9d4ed","last_reissued_at":"2026-06-23T01:11:53.521580Z","signature_status":"signed_v1","first_computed_at":"2026-06-23T01:11:53.521580Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2411.17324","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-23T01:11:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lD0d0Zlwch5B901+x3q8HvERVyrSWRyUskTbZzGNcTrlhJxbYf7+af6Sd3WrhPD3zTZuvVlHoT18gdO6UB2fAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T21:04:47.157021Z"},"content_sha256":"837408084703f1dd8fc6cc0a4ccb7ea7bf4bf704c16e893192ad4419f2dc967b","schema_version":"1.0","event_id":"sha256:837408084703f1dd8fc6cc0a4ccb7ea7bf4bf704c16e893192ad4419f2dc967b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:M6YK2XTE7A2ICM3ECFF4YP6QB3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Wettability and Color Change of Copper by Controlling Area Fraction of Laser Ablated Surface","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","physics.app-ph","physics.comp-ph"],"primary_cat":"physics.optics","authors_text":"Alexandros Mimidis, Andreas Lemonis, Andrius \\v{Z}emaitis, Antonis Papadopoulos, Emmanuel Stratakis, Evangelos Skoulas, Mantas Gaidys, Mindaugas Gedvilas, Stella Maragkaki","submitted_at":"2024-11-26T11:12:35Z","abstract_excerpt":"In this research, wettability control by area fraction of laser ablated surface of copper is presented. The functional surfaces with full wettability control from highly hydrophilic to super-hydrophobic were created on copper by nanosecond (ns) and picosecond (ps) laser irradiation. The area fraction and color change were evaluated by digital image processing of microscopic images of the laser-ablated copper surface. The control of the wetting angle from almost 0 degrees to 132 degrees was achieved for both ps and ns pulses by controlling the area fraction of the laser-ablated surface. Cassie,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.17324","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2411.17324/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-06-23T01:11:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aTdEPIm9VaglF+nxEOfEatoqUnX9le5bI3ZxaesR+bNdlmqcg3JxxR9r5+5IfxtnGGiVsdhTDXDtWpdkBljtAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T21:04:47.157433Z"},"content_sha256":"3c6cb2f29fe2a124a9316e3fbe6d6d45619714f0d519cd2f32a556b7b9eecb72","schema_version":"1.0","event_id":"sha256:3c6cb2f29fe2a124a9316e3fbe6d6d45619714f0d519cd2f32a556b7b9eecb72"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/M6YK2XTE7A2ICM3ECFF4YP6QB3/bundle.json","state_url":"https://pith.science/pith/M6YK2XTE7A2ICM3ECFF4YP6QB3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/M6YK2XTE7A2ICM3ECFF4YP6QB3/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":"2026-06-24T21:04:47Z","links":{"resolver":"https://pith.science/pith/M6YK2XTE7A2ICM3ECFF4YP6QB3","bundle":"https://pith.science/pith/M6YK2XTE7A2ICM3ECFF4YP6QB3/bundle.json","state":"https://pith.science/pith/M6YK2XTE7A2ICM3ECFF4YP6QB3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/M6YK2XTE7A2ICM3ECFF4YP6QB3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:M6YK2XTE7A2ICM3ECFF4YP6QB3","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":"788085d024caf741d339f8199ac57a51b544f1d639ff38ad4ae2db7bd937c1ed","cross_cats_sorted":["cond-mat.mtrl-sci","physics.app-ph","physics.comp-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2024-11-26T11:12:35Z","title_canon_sha256":"49d7a98edbdf9f09d5b391ec2d354f221c40cffdd2220e95c373234892a00cf0"},"schema_version":"1.0","source":{"id":"2411.17324","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.17324","created_at":"2026-06-23T01:11:53Z"},{"alias_kind":"arxiv_version","alias_value":"2411.17324v2","created_at":"2026-06-23T01:11:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.17324","created_at":"2026-06-23T01:11:53Z"},{"alias_kind":"pith_short_12","alias_value":"M6YK2XTE7A2I","created_at":"2026-06-23T01:11:53Z"},{"alias_kind":"pith_short_16","alias_value":"M6YK2XTE7A2ICM3E","created_at":"2026-06-23T01:11:53Z"},{"alias_kind":"pith_short_8","alias_value":"M6YK2XTE","created_at":"2026-06-23T01:11:53Z"}],"graph_snapshots":[{"event_id":"sha256:3c6cb2f29fe2a124a9316e3fbe6d6d45619714f0d519cd2f32a556b7b9eecb72","target":"graph","created_at":"2026-06-23T01:11:53Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2411.17324/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this research, wettability control by area fraction of laser ablated surface of copper is presented. The functional surfaces with full wettability control from highly hydrophilic to super-hydrophobic were created on copper by nanosecond (ns) and picosecond (ps) laser irradiation. The area fraction and color change were evaluated by digital image processing of microscopic images of the laser-ablated copper surface. The control of the wetting angle from almost 0 degrees to 132 degrees was achieved for both ps and ns pulses by controlling the area fraction of the laser-ablated surface. Cassie,","authors_text":"Alexandros Mimidis, Andreas Lemonis, Andrius \\v{Z}emaitis, Antonis Papadopoulos, Emmanuel Stratakis, Evangelos Skoulas, Mantas Gaidys, Mindaugas Gedvilas, Stella Maragkaki","cross_cats":["cond-mat.mtrl-sci","physics.app-ph","physics.comp-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2024-11-26T11:12:35Z","title":"Wettability and Color Change of Copper by Controlling Area Fraction of Laser Ablated Surface"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.17324","kind":"arxiv","version":2},"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":"sha256:837408084703f1dd8fc6cc0a4ccb7ea7bf4bf704c16e893192ad4419f2dc967b","target":"record","created_at":"2026-06-23T01:11:53Z","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":"788085d024caf741d339f8199ac57a51b544f1d639ff38ad4ae2db7bd937c1ed","cross_cats_sorted":["cond-mat.mtrl-sci","physics.app-ph","physics.comp-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2024-11-26T11:12:35Z","title_canon_sha256":"49d7a98edbdf9f09d5b391ec2d354f221c40cffdd2220e95c373234892a00cf0"},"schema_version":"1.0","source":{"id":"2411.17324","kind":"arxiv","version":2}},"canonical_sha256":"67b0ad5e64f834813364114bcc3fd00ec936e0809505596c8cc6ddfaf3d9d4ed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"67b0ad5e64f834813364114bcc3fd00ec936e0809505596c8cc6ddfaf3d9d4ed","first_computed_at":"2026-06-23T01:11:53.521580Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-23T01:11:53.521580Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fCm0JDPxBt8bglx2jLu3J8b1q9qwbGvIMt/1XEDqsiJYGkFil5vi4m8pSnpdx6lPLEdkePPDD8ozzMy/dt/9Cg==","signature_status":"signed_v1","signed_at":"2026-06-23T01:11:53.522129Z","signed_message":"canonical_sha256_bytes"},"source_id":"2411.17324","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:837408084703f1dd8fc6cc0a4ccb7ea7bf4bf704c16e893192ad4419f2dc967b","sha256:3c6cb2f29fe2a124a9316e3fbe6d6d45619714f0d519cd2f32a556b7b9eecb72"],"state_sha256":"954371820a84981ce1a78405744543a553bcb005d5d59536f7dd96cfe40cba18"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JqwmFtTeV7istZyta9ivgQ8yLOupjp/ysPKqz33OeZgaGjUd6gNaWBFcU/L/CdswQZmx7FhUksLkGwLzPEo+AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T21:04:47.159670Z","bundle_sha256":"5261a4716c71bc61fb26a020b1f74c17339d6f86ddfe7c610a9936be432edc94"}}