{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:HD55OUGPEQY6VIKWBZ35HZP4O7","short_pith_number":"pith:HD55OUGP","canonical_record":{"source":{"id":"2410.20980","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-10-28T12:54:27Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"4d6ce5645fbb4d17b42fc7cc26828aa18e07f3fbca053b3501468a4800573b13","abstract_canon_sha256":"39fd1354b0d9f1649a10a2e4f3f5b04f21dad1dce340d986a1431a13044e0b8e"},"schema_version":"1.0"},"canonical_sha256":"38fbd750cf2431eaa1560e77d3e5fc77e5bb4f41a46873c61141b8220090187f","source":{"kind":"arxiv","id":"2410.20980","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.20980","created_at":"2026-07-05T09:27:13Z"},{"alias_kind":"arxiv_version","alias_value":"2410.20980v1","created_at":"2026-07-05T09:27:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.20980","created_at":"2026-07-05T09:27:13Z"},{"alias_kind":"pith_short_12","alias_value":"HD55OUGPEQY6","created_at":"2026-07-05T09:27:13Z"},{"alias_kind":"pith_short_16","alias_value":"HD55OUGPEQY6VIKW","created_at":"2026-07-05T09:27:13Z"},{"alias_kind":"pith_short_8","alias_value":"HD55OUGP","created_at":"2026-07-05T09:27:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:HD55OUGPEQY6VIKWBZ35HZP4O7","target":"record","payload":{"canonical_record":{"source":{"id":"2410.20980","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-10-28T12:54:27Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"4d6ce5645fbb4d17b42fc7cc26828aa18e07f3fbca053b3501468a4800573b13","abstract_canon_sha256":"39fd1354b0d9f1649a10a2e4f3f5b04f21dad1dce340d986a1431a13044e0b8e"},"schema_version":"1.0"},"canonical_sha256":"38fbd750cf2431eaa1560e77d3e5fc77e5bb4f41a46873c61141b8220090187f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:27:13.948109Z","signature_b64":"go+4TyiljG8hTrXtKaZaNcOWBj3Nj0J4BJ+EZMM47tfHje8hjHVyPX01Ppl9lZJD70iY9GHBdz7s3k/I3e2zBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38fbd750cf2431eaa1560e77d3e5fc77e5bb4f41a46873c61141b8220090187f","last_reissued_at":"2026-07-05T09:27:13.947769Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:27:13.947769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2410.20980","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":"2026-07-05T09:27:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GscCjXDEaZGoJY10uD6h+bJgKPfhNdy86WsD+JIDWoZjkFp5Zbizs93epAqsoaOXmXTBM2dReBcB/itL3G/uBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T00:58:42.171077Z"},"content_sha256":"fea7d19e6ba39db6609c4acba9592cd90aff945f93fbce399d3b8c75ff82b94e","schema_version":"1.0","event_id":"sha256:fea7d19e6ba39db6609c4acba9592cd90aff945f93fbce399d3b8c75ff82b94e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:HD55OUGPEQY6VIKWBZ35HZP4O7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Why is BeGeN$_2$ different? A computational bonding analysis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Joachim Breternitz","submitted_at":"2024-10-28T12:54:27Z","abstract_excerpt":"Until recently, all known ordered II-IV-N2 materials crystallised in the $\\beta$-NaFeO$_2$-type in space group Pna2$_1$. BeGeN$_2$, however, crystallises in space group Pmc2$_1$, with a different cation ordering motif long anticipated for this materials class. Chemical bonding analysis is used to rationalise this particular behaviour."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.20980","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/2410.20980/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":"2026-07-05T09:27:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pPtr+1PPh58gZGfLXROv7lDjPVM7PH+VD7SbAtce5pg+aoU5z6KzzatR77FnL/8NDVWeqjoSgA2Fc0kcFFB8Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T00:58:42.171470Z"},"content_sha256":"2216fc91f6fdea7f788ce73c8d5d7f82f850d885523b3f9eae0ffe517f172771","schema_version":"1.0","event_id":"sha256:2216fc91f6fdea7f788ce73c8d5d7f82f850d885523b3f9eae0ffe517f172771"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HD55OUGPEQY6VIKWBZ35HZP4O7/bundle.json","state_url":"https://pith.science/pith/HD55OUGPEQY6VIKWBZ35HZP4O7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HD55OUGPEQY6VIKWBZ35HZP4O7/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":"2026-07-16T00:58:42Z","links":{"resolver":"https://pith.science/pith/HD55OUGPEQY6VIKWBZ35HZP4O7","bundle":"https://pith.science/pith/HD55OUGPEQY6VIKWBZ35HZP4O7/bundle.json","state":"https://pith.science/pith/HD55OUGPEQY6VIKWBZ35HZP4O7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HD55OUGPEQY6VIKWBZ35HZP4O7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:HD55OUGPEQY6VIKWBZ35HZP4O7","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":"39fd1354b0d9f1649a10a2e4f3f5b04f21dad1dce340d986a1431a13044e0b8e","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-10-28T12:54:27Z","title_canon_sha256":"4d6ce5645fbb4d17b42fc7cc26828aa18e07f3fbca053b3501468a4800573b13"},"schema_version":"1.0","source":{"id":"2410.20980","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.20980","created_at":"2026-07-05T09:27:13Z"},{"alias_kind":"arxiv_version","alias_value":"2410.20980v1","created_at":"2026-07-05T09:27:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.20980","created_at":"2026-07-05T09:27:13Z"},{"alias_kind":"pith_short_12","alias_value":"HD55OUGPEQY6","created_at":"2026-07-05T09:27:13Z"},{"alias_kind":"pith_short_16","alias_value":"HD55OUGPEQY6VIKW","created_at":"2026-07-05T09:27:13Z"},{"alias_kind":"pith_short_8","alias_value":"HD55OUGP","created_at":"2026-07-05T09:27:13Z"}],"graph_snapshots":[{"event_id":"sha256:2216fc91f6fdea7f788ce73c8d5d7f82f850d885523b3f9eae0ffe517f172771","target":"graph","created_at":"2026-07-05T09:27:13Z","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/2410.20980/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Until recently, all known ordered II-IV-N2 materials crystallised in the $\\beta$-NaFeO$_2$-type in space group Pna2$_1$. BeGeN$_2$, however, crystallises in space group Pmc2$_1$, with a different cation ordering motif long anticipated for this materials class. Chemical bonding analysis is used to rationalise this particular behaviour.","authors_text":"Joachim Breternitz","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-10-28T12:54:27Z","title":"Why is BeGeN$_2$ different? A computational bonding analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.20980","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:fea7d19e6ba39db6609c4acba9592cd90aff945f93fbce399d3b8c75ff82b94e","target":"record","created_at":"2026-07-05T09:27:13Z","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":"39fd1354b0d9f1649a10a2e4f3f5b04f21dad1dce340d986a1431a13044e0b8e","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-10-28T12:54:27Z","title_canon_sha256":"4d6ce5645fbb4d17b42fc7cc26828aa18e07f3fbca053b3501468a4800573b13"},"schema_version":"1.0","source":{"id":"2410.20980","kind":"arxiv","version":1}},"canonical_sha256":"38fbd750cf2431eaa1560e77d3e5fc77e5bb4f41a46873c61141b8220090187f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"38fbd750cf2431eaa1560e77d3e5fc77e5bb4f41a46873c61141b8220090187f","first_computed_at":"2026-07-05T09:27:13.947769Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:27:13.947769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"go+4TyiljG8hTrXtKaZaNcOWBj3Nj0J4BJ+EZMM47tfHje8hjHVyPX01Ppl9lZJD70iY9GHBdz7s3k/I3e2zBw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:27:13.948109Z","signed_message":"canonical_sha256_bytes"},"source_id":"2410.20980","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fea7d19e6ba39db6609c4acba9592cd90aff945f93fbce399d3b8c75ff82b94e","sha256:2216fc91f6fdea7f788ce73c8d5d7f82f850d885523b3f9eae0ffe517f172771"],"state_sha256":"5fa2a286164f12b431fe2f97e52260a9653077892095694306dcbca6c2d187a4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6ZgmHhaf2yxKDCP5S0BDBMD6Rf9lrC+aD0uGiV94959oTDMgTiM0rOpRE1SlOwTHQXOAFf77LtxuPoI6USTJBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-16T00:58:42.173495Z","bundle_sha256":"9d1a813e4e537b760a31aad92222966aaa1ede1d43c05dabd391be2c27914748"}}