{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:RUKFXSBYNGKDN6DA7UPBS4UOIS","short_pith_number":"pith:RUKFXSBY","canonical_record":{"source":{"id":"2201.07673","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-01-19T15:54:34Z","cross_cats_sorted":[],"title_canon_sha256":"4d2979e68e5fba367d3ca2c858ee44f1a90d899866155416b4f8aca98f964aea","abstract_canon_sha256":"2cf1160a60d7630a0ce944607bb7edb1abc61a9fddcd81937b208824525d010c"},"schema_version":"1.0"},"canonical_sha256":"8d145bc838699436f860fd1e19728e44bc4aee832aa41a3504adfe422bef91bc","source":{"kind":"arxiv","id":"2201.07673","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.07673","created_at":"2026-07-05T03:49:49Z"},{"alias_kind":"arxiv_version","alias_value":"2201.07673v1","created_at":"2026-07-05T03:49:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.07673","created_at":"2026-07-05T03:49:49Z"},{"alias_kind":"pith_short_12","alias_value":"RUKFXSBYNGKD","created_at":"2026-07-05T03:49:49Z"},{"alias_kind":"pith_short_16","alias_value":"RUKFXSBYNGKDN6DA","created_at":"2026-07-05T03:49:49Z"},{"alias_kind":"pith_short_8","alias_value":"RUKFXSBY","created_at":"2026-07-05T03:49:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:RUKFXSBYNGKDN6DA7UPBS4UOIS","target":"record","payload":{"canonical_record":{"source":{"id":"2201.07673","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-01-19T15:54:34Z","cross_cats_sorted":[],"title_canon_sha256":"4d2979e68e5fba367d3ca2c858ee44f1a90d899866155416b4f8aca98f964aea","abstract_canon_sha256":"2cf1160a60d7630a0ce944607bb7edb1abc61a9fddcd81937b208824525d010c"},"schema_version":"1.0"},"canonical_sha256":"8d145bc838699436f860fd1e19728e44bc4aee832aa41a3504adfe422bef91bc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:49:49.330586Z","signature_b64":"tSiTPyYuncr0i9kzE+tBVHhD0Ab0kcw2mIUgbnC3jPnxfIsaTX7/hkNUnZgOwGFFshltgBSsZpV7VML3ZV6NAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8d145bc838699436f860fd1e19728e44bc4aee832aa41a3504adfe422bef91bc","last_reissued_at":"2026-07-05T03:49:49.330176Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:49:49.330176Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2201.07673","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":"2026-07-05T03:49:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wYSXYzNz1GOmB6RizK8SKI++tt3HXhFbzasiBW0kQsREyLjcNEjtFFH2vOo+xdJMUpfIAeFikm+E7QDABJ2qCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T05:11:14.711589Z"},"content_sha256":"e87242882289af0d4f127791471384d63513dae836f83cf3b656fa0586f74f9c","schema_version":"1.0","event_id":"sha256:e87242882289af0d4f127791471384d63513dae836f83cf3b656fa0586f74f9c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:RUKFXSBYNGKDN6DA7UPBS4UOIS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"From the synthesis of hBN crystals to their use as nanosheets for optoelectronic devices","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alexandre Plaud, Annick Loiseau, B\\'erang\\`ere Toury, Bo Han, Camille Maestre, Catherine Journet, C\\'edric Robert, Julien Barjon, Lei Ren, Philippe Steyer, S\\'ebastien Roux, Vincent Garnier, Xavier Marie, Yangdi Li","submitted_at":"2022-01-19T15:54:34Z","abstract_excerpt":"In the wide world of 2D materials, hexagonal boron nitride (hBN) holds a special place due to its excellent characteristics. In addition to its thermal, chemical and mechanical stability, hBN demonstrates high thermal conductivity, low compressibility, and wide band gap around 6 eV, making it promising candidate for many groundbreaking applications and more specifically for optoelectronic devices. Millimeters scale hexagonal boron nitride crystals are obtained through a disruptive dual method (PDC/PCS) consisting in a complementary coupling of the Polymer Derived Ceramics route and a Pressure-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.07673","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2201.07673/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":"2026-07-05T03:49:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f3wmkNbJEK313iTo9Dxmsq0SNmG2l04zTY0HOW7skNWijQ2yLRl1WnFGPU+qqRrpwQreiFNyrXJxV79rhjF9Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T05:11:14.714605Z"},"content_sha256":"9673990600fa8bf2603da8a96119a34ef1af4a06e61c07bd9e91ba7506f6c33e","schema_version":"1.0","event_id":"sha256:9673990600fa8bf2603da8a96119a34ef1af4a06e61c07bd9e91ba7506f6c33e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RUKFXSBYNGKDN6DA7UPBS4UOIS/bundle.json","state_url":"https://pith.science/pith/RUKFXSBYNGKDN6DA7UPBS4UOIS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RUKFXSBYNGKDN6DA7UPBS4UOIS/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":"2026-08-18T05:11:14Z","links":{"resolver":"https://pith.science/pith/RUKFXSBYNGKDN6DA7UPBS4UOIS","bundle":"https://pith.science/pith/RUKFXSBYNGKDN6DA7UPBS4UOIS/bundle.json","state":"https://pith.science/pith/RUKFXSBYNGKDN6DA7UPBS4UOIS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RUKFXSBYNGKDN6DA7UPBS4UOIS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:RUKFXSBYNGKDN6DA7UPBS4UOIS","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":"2cf1160a60d7630a0ce944607bb7edb1abc61a9fddcd81937b208824525d010c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-01-19T15:54:34Z","title_canon_sha256":"4d2979e68e5fba367d3ca2c858ee44f1a90d899866155416b4f8aca98f964aea"},"schema_version":"1.0","source":{"id":"2201.07673","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.07673","created_at":"2026-07-05T03:49:49Z"},{"alias_kind":"arxiv_version","alias_value":"2201.07673v1","created_at":"2026-07-05T03:49:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.07673","created_at":"2026-07-05T03:49:49Z"},{"alias_kind":"pith_short_12","alias_value":"RUKFXSBYNGKD","created_at":"2026-07-05T03:49:49Z"},{"alias_kind":"pith_short_16","alias_value":"RUKFXSBYNGKDN6DA","created_at":"2026-07-05T03:49:49Z"},{"alias_kind":"pith_short_8","alias_value":"RUKFXSBY","created_at":"2026-07-05T03:49:49Z"}],"graph_snapshots":[{"event_id":"sha256:9673990600fa8bf2603da8a96119a34ef1af4a06e61c07bd9e91ba7506f6c33e","target":"graph","created_at":"2026-07-05T03:49:49Z","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/2201.07673/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In the wide world of 2D materials, hexagonal boron nitride (hBN) holds a special place due to its excellent characteristics. In addition to its thermal, chemical and mechanical stability, hBN demonstrates high thermal conductivity, low compressibility, and wide band gap around 6 eV, making it promising candidate for many groundbreaking applications and more specifically for optoelectronic devices. Millimeters scale hexagonal boron nitride crystals are obtained through a disruptive dual method (PDC/PCS) consisting in a complementary coupling of the Polymer Derived Ceramics route and a Pressure-","authors_text":"Alexandre Plaud, Annick Loiseau, B\\'erang\\`ere Toury, Bo Han, Camille Maestre, Catherine Journet, C\\'edric Robert, Julien Barjon, Lei Ren, Philippe Steyer, S\\'ebastien Roux, Vincent Garnier, Xavier Marie, Yangdi Li","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-01-19T15:54:34Z","title":"From the synthesis of hBN crystals to their use as nanosheets for optoelectronic devices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.07673","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:e87242882289af0d4f127791471384d63513dae836f83cf3b656fa0586f74f9c","target":"record","created_at":"2026-07-05T03:49:49Z","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":"2cf1160a60d7630a0ce944607bb7edb1abc61a9fddcd81937b208824525d010c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-01-19T15:54:34Z","title_canon_sha256":"4d2979e68e5fba367d3ca2c858ee44f1a90d899866155416b4f8aca98f964aea"},"schema_version":"1.0","source":{"id":"2201.07673","kind":"arxiv","version":1}},"canonical_sha256":"8d145bc838699436f860fd1e19728e44bc4aee832aa41a3504adfe422bef91bc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8d145bc838699436f860fd1e19728e44bc4aee832aa41a3504adfe422bef91bc","first_computed_at":"2026-07-05T03:49:49.330176Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:49:49.330176Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tSiTPyYuncr0i9kzE+tBVHhD0Ab0kcw2mIUgbnC3jPnxfIsaTX7/hkNUnZgOwGFFshltgBSsZpV7VML3ZV6NAw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:49:49.330586Z","signed_message":"canonical_sha256_bytes"},"source_id":"2201.07673","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e87242882289af0d4f127791471384d63513dae836f83cf3b656fa0586f74f9c","sha256:9673990600fa8bf2603da8a96119a34ef1af4a06e61c07bd9e91ba7506f6c33e"],"state_sha256":"0d98e4a7ecc5a88d14f092c37e84b076d6b4f11d6bd1b844a27e9504e16ccb94"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EBTTMuDf/VL2X1D5/olHwasMBJ9zFS+6BwXuTMCP0LOpyQ1SV7UHKOHZk29Cd/cU0tRMkJBREdJbJo91SEJjCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T05:11:14.774611Z","bundle_sha256":"f4d21dd99f87334449b04352d0eedfd0e23b7b556cc524bc5a9f2ae56a977306"}}