{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:3HNHE2KAKPDHLZJ3AHHJSRTXIO","short_pith_number":"pith:3HNHE2KA","canonical_record":{"source":{"id":"1410.2946","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-10-11T04:25:43Z","cross_cats_sorted":[],"title_canon_sha256":"7d3d49e88f993a095a2eeb5e13391c8906d5c780c23fbec4d23ac91506336ef5","abstract_canon_sha256":"0a56b69a59272e27b2a635a1c0785a933a165dcd0fdc487846051c7b32b5ed95"},"schema_version":"1.0"},"canonical_sha256":"d9da72694053c675e53b01ce994677438664d52683c1de7ced26bebcdb0fb1cb","source":{"kind":"arxiv","id":"1410.2946","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.2946","created_at":"2026-05-18T00:41:08Z"},{"alias_kind":"arxiv_version","alias_value":"1410.2946v1","created_at":"2026-05-18T00:41:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.2946","created_at":"2026-05-18T00:41:08Z"},{"alias_kind":"pith_short_12","alias_value":"3HNHE2KAKPDH","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"3HNHE2KAKPDHLZJ3","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"3HNHE2KA","created_at":"2026-05-18T12:28:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:3HNHE2KAKPDHLZJ3AHHJSRTXIO","target":"record","payload":{"canonical_record":{"source":{"id":"1410.2946","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-10-11T04:25:43Z","cross_cats_sorted":[],"title_canon_sha256":"7d3d49e88f993a095a2eeb5e13391c8906d5c780c23fbec4d23ac91506336ef5","abstract_canon_sha256":"0a56b69a59272e27b2a635a1c0785a933a165dcd0fdc487846051c7b32b5ed95"},"schema_version":"1.0"},"canonical_sha256":"d9da72694053c675e53b01ce994677438664d52683c1de7ced26bebcdb0fb1cb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:41:08.533936Z","signature_b64":"I4/aTvyUjbhibC2WAzL73wTv2Cg7Qsjn/qZIgetMPL3a7FnJ/8pt+sKGlsrcUuWS+1OWEMlsd2vx7dUIwJcFCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d9da72694053c675e53b01ce994677438664d52683c1de7ced26bebcdb0fb1cb","last_reissued_at":"2026-05-18T00:41:08.533428Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:41:08.533428Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.2946","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":"2026-05-18T00:41:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yn19VoVJngjKF/x/9g6Muyton3UmTIG/Egm6/GLGeS9dLFHjT425r8FVrcMLZcEt7e/6jkKG8Ij8klyYjj2xDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T16:10:17.232764Z"},"content_sha256":"2481277e6271b356e5fc866bdc148f77a669b74b03e7dac189a7f700f3636ffb","schema_version":"1.0","event_id":"sha256:2481277e6271b356e5fc866bdc148f77a669b74b03e7dac189a7f700f3636ffb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:3HNHE2KAKPDHLZJ3AHHJSRTXIO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Phase Transitions of Boron Carbide: Pair Interaction Model of High Carbon Limit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"M. Widom, Sanxi Yao, W. P. Huhn","submitted_at":"2014-10-11T04:25:43Z","abstract_excerpt":"Boron Carbide exhibits a broad composition range, implying a degree of intrinsic substitutional disorder. While the observed phase has rhombohedral symmetry (space group R3(bar)m), the enthalpy minimizing structure has lower, monoclinic, symmetry (space group Cm). The crystallographic primitive cell consists of a 12-atom icosahedron placed at the vertex of a rhombohedral lattice, together with a 3-atom chain along the 3-fold axis. In the limit of high carbon content, approaching 20% carbon, the icosahedra are usually of type B11Cp, where the p indicates the carbon resides on a polar site, whil"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.2946","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":"2026-05-18T00:41:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9voGyfOptAdc8N3RpnLrfV+F6y4YCNwCnzakIDRIXIwZnC1DKXg1oRfeowe61q8yV4BIUs6zO8r2mf1kyiFKAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T16:10:17.233102Z"},"content_sha256":"a90ee0860665ce2a80957f5940433e0f23799a5f2cc3278c791ad70ea2917e9d","schema_version":"1.0","event_id":"sha256:a90ee0860665ce2a80957f5940433e0f23799a5f2cc3278c791ad70ea2917e9d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3HNHE2KAKPDHLZJ3AHHJSRTXIO/bundle.json","state_url":"https://pith.science/pith/3HNHE2KAKPDHLZJ3AHHJSRTXIO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3HNHE2KAKPDHLZJ3AHHJSRTXIO/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":"2026-06-29T16:10:17Z","links":{"resolver":"https://pith.science/pith/3HNHE2KAKPDHLZJ3AHHJSRTXIO","bundle":"https://pith.science/pith/3HNHE2KAKPDHLZJ3AHHJSRTXIO/bundle.json","state":"https://pith.science/pith/3HNHE2KAKPDHLZJ3AHHJSRTXIO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3HNHE2KAKPDHLZJ3AHHJSRTXIO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:3HNHE2KAKPDHLZJ3AHHJSRTXIO","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":"0a56b69a59272e27b2a635a1c0785a933a165dcd0fdc487846051c7b32b5ed95","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-10-11T04:25:43Z","title_canon_sha256":"7d3d49e88f993a095a2eeb5e13391c8906d5c780c23fbec4d23ac91506336ef5"},"schema_version":"1.0","source":{"id":"1410.2946","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.2946","created_at":"2026-05-18T00:41:08Z"},{"alias_kind":"arxiv_version","alias_value":"1410.2946v1","created_at":"2026-05-18T00:41:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.2946","created_at":"2026-05-18T00:41:08Z"},{"alias_kind":"pith_short_12","alias_value":"3HNHE2KAKPDH","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"3HNHE2KAKPDHLZJ3","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"3HNHE2KA","created_at":"2026-05-18T12:28:11Z"}],"graph_snapshots":[{"event_id":"sha256:a90ee0860665ce2a80957f5940433e0f23799a5f2cc3278c791ad70ea2917e9d","target":"graph","created_at":"2026-05-18T00:41:08Z","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":"Boron Carbide exhibits a broad composition range, implying a degree of intrinsic substitutional disorder. While the observed phase has rhombohedral symmetry (space group R3(bar)m), the enthalpy minimizing structure has lower, monoclinic, symmetry (space group Cm). The crystallographic primitive cell consists of a 12-atom icosahedron placed at the vertex of a rhombohedral lattice, together with a 3-atom chain along the 3-fold axis. In the limit of high carbon content, approaching 20% carbon, the icosahedra are usually of type B11Cp, where the p indicates the carbon resides on a polar site, whil","authors_text":"M. Widom, Sanxi Yao, W. P. Huhn","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-10-11T04:25:43Z","title":"Phase Transitions of Boron Carbide: Pair Interaction Model of High Carbon Limit"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.2946","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":"sha256:2481277e6271b356e5fc866bdc148f77a669b74b03e7dac189a7f700f3636ffb","target":"record","created_at":"2026-05-18T00:41:08Z","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":"0a56b69a59272e27b2a635a1c0785a933a165dcd0fdc487846051c7b32b5ed95","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-10-11T04:25:43Z","title_canon_sha256":"7d3d49e88f993a095a2eeb5e13391c8906d5c780c23fbec4d23ac91506336ef5"},"schema_version":"1.0","source":{"id":"1410.2946","kind":"arxiv","version":1}},"canonical_sha256":"d9da72694053c675e53b01ce994677438664d52683c1de7ced26bebcdb0fb1cb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d9da72694053c675e53b01ce994677438664d52683c1de7ced26bebcdb0fb1cb","first_computed_at":"2026-05-18T00:41:08.533428Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:41:08.533428Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"I4/aTvyUjbhibC2WAzL73wTv2Cg7Qsjn/qZIgetMPL3a7FnJ/8pt+sKGlsrcUuWS+1OWEMlsd2vx7dUIwJcFCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:41:08.533936Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.2946","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2481277e6271b356e5fc866bdc148f77a669b74b03e7dac189a7f700f3636ffb","sha256:a90ee0860665ce2a80957f5940433e0f23799a5f2cc3278c791ad70ea2917e9d"],"state_sha256":"590bc218fd7b1bafd2cd2f84230af8477d19c18b373d7a8e82051595e1ddccaf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3JngadGxuUNHtcMEkcNWXNAQTKknJveXPNWHpjwvpMn2X2h7UiZrqIGbKUTKDY6d2uHDIeltQKo4PYqIEzHKBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-29T16:10:17.235219Z","bundle_sha256":"870e7c58762e4562cd487dc4e95d1da3e7dc9592c252e771d420169675c7fc09"}}