{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:MSSE3TWR2WBDERV6ZS5G6D3BHW","short_pith_number":"pith:MSSE3TWR","canonical_record":{"source":{"id":"2605.21918","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-21T02:44:28Z","cross_cats_sorted":[],"title_canon_sha256":"c5b7b617b35e3e6cba3cb345ed1c2dfed3e69b37d17eda099c5e0571527c4e0e","abstract_canon_sha256":"a920a04b720799d6cd9d2e3f2266c62544a77b0bc64b3343f63aa0879f2459c9"},"schema_version":"1.0"},"canonical_sha256":"64a44dced1d5823246beccba6f0f613d9392d341c58ec63888053fa46d4fa48e","source":{"kind":"arxiv","id":"2605.21918","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.21918","created_at":"2026-05-22T01:04:14Z"},{"alias_kind":"arxiv_version","alias_value":"2605.21918v1","created_at":"2026-05-22T01:04:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.21918","created_at":"2026-05-22T01:04:14Z"},{"alias_kind":"pith_short_12","alias_value":"MSSE3TWR2WBD","created_at":"2026-05-22T01:04:14Z"},{"alias_kind":"pith_short_16","alias_value":"MSSE3TWR2WBDERV6","created_at":"2026-05-22T01:04:14Z"},{"alias_kind":"pith_short_8","alias_value":"MSSE3TWR","created_at":"2026-05-22T01:04:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:MSSE3TWR2WBDERV6ZS5G6D3BHW","target":"record","payload":{"canonical_record":{"source":{"id":"2605.21918","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-21T02:44:28Z","cross_cats_sorted":[],"title_canon_sha256":"c5b7b617b35e3e6cba3cb345ed1c2dfed3e69b37d17eda099c5e0571527c4e0e","abstract_canon_sha256":"a920a04b720799d6cd9d2e3f2266c62544a77b0bc64b3343f63aa0879f2459c9"},"schema_version":"1.0"},"canonical_sha256":"64a44dced1d5823246beccba6f0f613d9392d341c58ec63888053fa46d4fa48e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-22T01:04:14.608068Z","signature_b64":"i7F1Wq+Gj+jjs/KKnM96VQvN0Rh/3eN2QEg4sqI0i7aN6gcl5Wu7E1mbU6RqvECvw8ttRSIHPu9D1F6K2vz2BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"64a44dced1d5823246beccba6f0f613d9392d341c58ec63888053fa46d4fa48e","last_reissued_at":"2026-05-22T01:04:14.607222Z","signature_status":"signed_v1","first_computed_at":"2026-05-22T01:04:14.607222Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.21918","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":"2026-05-22T01:04:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j4jGNct/4sIJNiRu6W+zGQo+Saj+FKOnZWc7DtELS34R4hgtS2HqAt4QEWLhtEG8Uqq7A91iPv8XU5+d1VmLDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T22:59:33.684917Z"},"content_sha256":"02f37eca4a53e82463327d8ed9b7de036d66243204100f0877040252fe1354d0","schema_version":"1.0","event_id":"sha256:02f37eca4a53e82463327d8ed9b7de036d66243204100f0877040252fe1354d0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:MSSE3TWR2WBDERV6ZS5G6D3BHW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"First-Principles Study of Fe Adsorption and Its Effects on the Mechanical and Electrical Properties of Monolayer and Bilayer Biphenylene Networks","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Xiao-Ke Zhang, Zheng-Zhe Lin","submitted_at":"2026-05-21T02:44:28Z","abstract_excerpt":"Biphenylene network (BPN) is a 2D carbon allotrope that exhibits promising potential for applications. In this work, we systematically investigated the adsorption characteristics of Fe atoms on monolayer and bilayer BPN. Structural optimization and adsorption energy analysis reveal that, for monolayer BPN, the average adsorption gradually enhances with increasing Fe coverage, indicating a strengthening of Fe-substrate interactions. The most stable configuration is identified at an Fe/C ratio of 50 %. For bilayer BPN, the energetically preferred adsorption site for Fe atom is located at the cen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.21918","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/2605.21918/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":"2026-05-22T01:04:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iFkQtGRp8R0EclGygaL7jkAMxCYIxuuZRj0FB0DqTlvH1IPdMbhrNBFD9y6M6lVY7guScjkD1Eso0tVyuAMoDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T22:59:33.685296Z"},"content_sha256":"22346c107f4453eadaa75bb49f8c42dcc6d136c9a7f838f87eed192886e9dce0","schema_version":"1.0","event_id":"sha256:22346c107f4453eadaa75bb49f8c42dcc6d136c9a7f838f87eed192886e9dce0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MSSE3TWR2WBDERV6ZS5G6D3BHW/bundle.json","state_url":"https://pith.science/pith/MSSE3TWR2WBDERV6ZS5G6D3BHW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MSSE3TWR2WBDERV6ZS5G6D3BHW/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":"2026-07-01T22:59:33Z","links":{"resolver":"https://pith.science/pith/MSSE3TWR2WBDERV6ZS5G6D3BHW","bundle":"https://pith.science/pith/MSSE3TWR2WBDERV6ZS5G6D3BHW/bundle.json","state":"https://pith.science/pith/MSSE3TWR2WBDERV6ZS5G6D3BHW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MSSE3TWR2WBDERV6ZS5G6D3BHW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:MSSE3TWR2WBDERV6ZS5G6D3BHW","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":"a920a04b720799d6cd9d2e3f2266c62544a77b0bc64b3343f63aa0879f2459c9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-21T02:44:28Z","title_canon_sha256":"c5b7b617b35e3e6cba3cb345ed1c2dfed3e69b37d17eda099c5e0571527c4e0e"},"schema_version":"1.0","source":{"id":"2605.21918","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.21918","created_at":"2026-05-22T01:04:14Z"},{"alias_kind":"arxiv_version","alias_value":"2605.21918v1","created_at":"2026-05-22T01:04:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.21918","created_at":"2026-05-22T01:04:14Z"},{"alias_kind":"pith_short_12","alias_value":"MSSE3TWR2WBD","created_at":"2026-05-22T01:04:14Z"},{"alias_kind":"pith_short_16","alias_value":"MSSE3TWR2WBDERV6","created_at":"2026-05-22T01:04:14Z"},{"alias_kind":"pith_short_8","alias_value":"MSSE3TWR","created_at":"2026-05-22T01:04:14Z"}],"graph_snapshots":[{"event_id":"sha256:22346c107f4453eadaa75bb49f8c42dcc6d136c9a7f838f87eed192886e9dce0","target":"graph","created_at":"2026-05-22T01:04:14Z","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/2605.21918/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Biphenylene network (BPN) is a 2D carbon allotrope that exhibits promising potential for applications. In this work, we systematically investigated the adsorption characteristics of Fe atoms on monolayer and bilayer BPN. Structural optimization and adsorption energy analysis reveal that, for monolayer BPN, the average adsorption gradually enhances with increasing Fe coverage, indicating a strengthening of Fe-substrate interactions. The most stable configuration is identified at an Fe/C ratio of 50 %. For bilayer BPN, the energetically preferred adsorption site for Fe atom is located at the cen","authors_text":"Xiao-Ke Zhang, Zheng-Zhe Lin","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-21T02:44:28Z","title":"First-Principles Study of Fe Adsorption and Its Effects on the Mechanical and Electrical Properties of Monolayer and Bilayer Biphenylene Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.21918","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":"sha256:02f37eca4a53e82463327d8ed9b7de036d66243204100f0877040252fe1354d0","target":"record","created_at":"2026-05-22T01:04:14Z","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":"a920a04b720799d6cd9d2e3f2266c62544a77b0bc64b3343f63aa0879f2459c9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-21T02:44:28Z","title_canon_sha256":"c5b7b617b35e3e6cba3cb345ed1c2dfed3e69b37d17eda099c5e0571527c4e0e"},"schema_version":"1.0","source":{"id":"2605.21918","kind":"arxiv","version":1}},"canonical_sha256":"64a44dced1d5823246beccba6f0f613d9392d341c58ec63888053fa46d4fa48e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"64a44dced1d5823246beccba6f0f613d9392d341c58ec63888053fa46d4fa48e","first_computed_at":"2026-05-22T01:04:14.607222Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-22T01:04:14.607222Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i7F1Wq+Gj+jjs/KKnM96VQvN0Rh/3eN2QEg4sqI0i7aN6gcl5Wu7E1mbU6RqvECvw8ttRSIHPu9D1F6K2vz2BQ==","signature_status":"signed_v1","signed_at":"2026-05-22T01:04:14.608068Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.21918","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:02f37eca4a53e82463327d8ed9b7de036d66243204100f0877040252fe1354d0","sha256:22346c107f4453eadaa75bb49f8c42dcc6d136c9a7f838f87eed192886e9dce0"],"state_sha256":"0988635a0d3774947ae49355b8d7a7e68f69367f2a6ffcd36c0b26f5e9be3181"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JnRuH4W9GnCGRupIVakrConTl5Gug0EuSf8vkHKCOw/qWNBi7mifosCFXm3IWbf42YVPwCueSpkOyA3PAqgvBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-01T22:59:33.687545Z","bundle_sha256":"f74b55584b7f2808a65935f499eafda5ae49097c9c571aebfdcd6bc4365dd97d"}}