{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:B4ZUX3SWL4KM2WS4QVHWXBYQ6K","short_pith_number":"pith:B4ZUX3SW","canonical_record":{"source":{"id":"cond-mat/0311121","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2003-11-06T06:21:16Z","cross_cats_sorted":[],"title_canon_sha256":"1ba2867c7e635697259297dc8da9e47cb2383a18ef99006eae4c9c3d9cd3dd59","abstract_canon_sha256":"17da34d61d913cc718333ffd2b3e48396547c83b6cd5f02336204de8955822a3"},"schema_version":"1.0"},"canonical_sha256":"0f334bee565f14cd5a5c854f6b8710f298fd2fba7a0bc022834b40f05e748d60","source":{"kind":"arxiv","id":"cond-mat/0311121","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0311121","created_at":"2026-07-04T14:20:38Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0311121v1","created_at":"2026-07-04T14:20:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0311121","created_at":"2026-07-04T14:20:38Z"},{"alias_kind":"pith_short_12","alias_value":"B4ZUX3SWL4KM","created_at":"2026-07-04T14:20:38Z"},{"alias_kind":"pith_short_16","alias_value":"B4ZUX3SWL4KM2WS4","created_at":"2026-07-04T14:20:38Z"},{"alias_kind":"pith_short_8","alias_value":"B4ZUX3SW","created_at":"2026-07-04T14:20:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:B4ZUX3SWL4KM2WS4QVHWXBYQ6K","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0311121","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2003-11-06T06:21:16Z","cross_cats_sorted":[],"title_canon_sha256":"1ba2867c7e635697259297dc8da9e47cb2383a18ef99006eae4c9c3d9cd3dd59","abstract_canon_sha256":"17da34d61d913cc718333ffd2b3e48396547c83b6cd5f02336204de8955822a3"},"schema_version":"1.0"},"canonical_sha256":"0f334bee565f14cd5a5c854f6b8710f298fd2fba7a0bc022834b40f05e748d60","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:20:38.472590Z","signature_b64":"IVPunhGcH10plurez6GoRxWw7urBKEPTDTycC2Bti/3fTDC8GJtn9eGgNj0iXmDa9cdXss7Whfa7HmHPZj9SAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0f334bee565f14cd5a5c854f6b8710f298fd2fba7a0bc022834b40f05e748d60","last_reissued_at":"2026-07-04T14:20:38.472248Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:20:38.472248Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0311121","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":"2026-07-04T14:20:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CbvQ5oWt5SD97S8gRKIfc3mPYAYH0PW1+pV01XTyEO6WDJbN9EWe54kIrZWKXF+9iCiYOQPthKjXWxVjWSj7BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T11:43:40.973377Z"},"content_sha256":"9cee8804e5854c025e571d2aabaa72c4c0e0ec5574e2771caed5cff63da30175","schema_version":"1.0","event_id":"sha256:9cee8804e5854c025e571d2aabaa72c4c0e0ec5574e2771caed5cff63da30175"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:B4ZUX3SWL4KM2WS4QVHWXBYQ6K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Symmetry breaking and structural distortions in charged XH$_{4}$(X = C, Si, Ge, Sn and Pb) molecules","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"D. Balamurgan, Manoj. K. Harbola, R. Prasad","submitted_at":"2003-11-06T06:21:16Z","abstract_excerpt":"We have investigated the ground state structures of neutral and charged XH$_{4}$(X=C, Si, Ge, Sn and Pb) molecules using the first-principles electronic structure methods. The structure of positively charged molecules for X = Si, Ge, Sn and Pb is characterized by a severe distortion from tetrahedral structure and an unusual H-H bond while the negatively charged molecules get distorted by pushing two hydrogen atoms away from each other. However, CH$_{4}$$^{+}$ and CH$_{4}$$^{-}$ are exceptions to this behavior. We provide an insight into the symmetry breaking mechanism and unusual H-H bonding u"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0311121","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/cond-mat/0311121/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":"2026-07-04T14:20:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ppxg1o3lyOfi3Srg3OlUvu8zCSm+2dU+nxTtn5UvFIAkg5NAHjoJJES4DRXST9Ru2M0UTcyrPOC/pG/BQlB5Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T11:43:40.973913Z"},"content_sha256":"b94bb72863bf84433e5a4bad25c31827b2a7fa2c6773c89f236bd74b50a63678","schema_version":"1.0","event_id":"sha256:b94bb72863bf84433e5a4bad25c31827b2a7fa2c6773c89f236bd74b50a63678"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B4ZUX3SWL4KM2WS4QVHWXBYQ6K/bundle.json","state_url":"https://pith.science/pith/B4ZUX3SWL4KM2WS4QVHWXBYQ6K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B4ZUX3SWL4KM2WS4QVHWXBYQ6K/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":"2026-08-06T11:43:40Z","links":{"resolver":"https://pith.science/pith/B4ZUX3SWL4KM2WS4QVHWXBYQ6K","bundle":"https://pith.science/pith/B4ZUX3SWL4KM2WS4QVHWXBYQ6K/bundle.json","state":"https://pith.science/pith/B4ZUX3SWL4KM2WS4QVHWXBYQ6K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B4ZUX3SWL4KM2WS4QVHWXBYQ6K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:B4ZUX3SWL4KM2WS4QVHWXBYQ6K","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":"17da34d61d913cc718333ffd2b3e48396547c83b6cd5f02336204de8955822a3","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2003-11-06T06:21:16Z","title_canon_sha256":"1ba2867c7e635697259297dc8da9e47cb2383a18ef99006eae4c9c3d9cd3dd59"},"schema_version":"1.0","source":{"id":"cond-mat/0311121","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0311121","created_at":"2026-07-04T14:20:38Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0311121v1","created_at":"2026-07-04T14:20:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0311121","created_at":"2026-07-04T14:20:38Z"},{"alias_kind":"pith_short_12","alias_value":"B4ZUX3SWL4KM","created_at":"2026-07-04T14:20:38Z"},{"alias_kind":"pith_short_16","alias_value":"B4ZUX3SWL4KM2WS4","created_at":"2026-07-04T14:20:38Z"},{"alias_kind":"pith_short_8","alias_value":"B4ZUX3SW","created_at":"2026-07-04T14:20:38Z"}],"graph_snapshots":[{"event_id":"sha256:b94bb72863bf84433e5a4bad25c31827b2a7fa2c6773c89f236bd74b50a63678","target":"graph","created_at":"2026-07-04T14:20:38Z","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/cond-mat/0311121/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have investigated the ground state structures of neutral and charged XH$_{4}$(X=C, Si, Ge, Sn and Pb) molecules using the first-principles electronic structure methods. The structure of positively charged molecules for X = Si, Ge, Sn and Pb is characterized by a severe distortion from tetrahedral structure and an unusual H-H bond while the negatively charged molecules get distorted by pushing two hydrogen atoms away from each other. However, CH$_{4}$$^{+}$ and CH$_{4}$$^{-}$ are exceptions to this behavior. We provide an insight into the symmetry breaking mechanism and unusual H-H bonding u","authors_text":"D. Balamurgan, Manoj. K. Harbola, R. Prasad","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2003-11-06T06:21:16Z","title":"Symmetry breaking and structural distortions in charged XH$_{4}$(X = C, Si, Ge, Sn and Pb) molecules"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0311121","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":"sha256:9cee8804e5854c025e571d2aabaa72c4c0e0ec5574e2771caed5cff63da30175","target":"record","created_at":"2026-07-04T14:20:38Z","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":"17da34d61d913cc718333ffd2b3e48396547c83b6cd5f02336204de8955822a3","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2003-11-06T06:21:16Z","title_canon_sha256":"1ba2867c7e635697259297dc8da9e47cb2383a18ef99006eae4c9c3d9cd3dd59"},"schema_version":"1.0","source":{"id":"cond-mat/0311121","kind":"arxiv","version":1}},"canonical_sha256":"0f334bee565f14cd5a5c854f6b8710f298fd2fba7a0bc022834b40f05e748d60","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0f334bee565f14cd5a5c854f6b8710f298fd2fba7a0bc022834b40f05e748d60","first_computed_at":"2026-07-04T14:20:38.472248Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:20:38.472248Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IVPunhGcH10plurez6GoRxWw7urBKEPTDTycC2Bti/3fTDC8GJtn9eGgNj0iXmDa9cdXss7Whfa7HmHPZj9SAQ==","signature_status":"signed_v1","signed_at":"2026-07-04T14:20:38.472590Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0311121","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9cee8804e5854c025e571d2aabaa72c4c0e0ec5574e2771caed5cff63da30175","sha256:b94bb72863bf84433e5a4bad25c31827b2a7fa2c6773c89f236bd74b50a63678"],"state_sha256":"d327fd25c903bc542a20923f18c7cdc0e342cff3fd3a58633683e40a8567336a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oK8QW8n7SPsDh8W7yEIxhsEZRutNuqgXL/PWnrRQImwzdVxGyMJXkaqpGkJ3vcD7Z1I3YPTQbCYxQbSrIECVAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T11:43:40.977688Z","bundle_sha256":"502d0dc0c529a0ce654ff42954a9868fdc2d990f4bb116adc4f28eb469f2739c"}}