{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:HAYOZG2W6TKHTXW7GOY6TPRD3V","short_pith_number":"pith:HAYOZG2W","canonical_record":{"source":{"id":"1211.5978","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-11-26T15:04:45Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"0a4acd23b84064f31508addd301245b09b46f30d35d433cadc81f1a85a74779e","abstract_canon_sha256":"3313a960cb35b1df2e23cc50569dc30da3759e2fee84bd03d00afbb17aa82fe0"},"schema_version":"1.0"},"canonical_sha256":"3830ec9b56f4d479dedf33b1e9be23dd4be82bfa83ced8143aed117ac2390123","source":{"kind":"arxiv","id":"1211.5978","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.5978","created_at":"2026-05-18T03:39:53Z"},{"alias_kind":"arxiv_version","alias_value":"1211.5978v1","created_at":"2026-05-18T03:39:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.5978","created_at":"2026-05-18T03:39:53Z"},{"alias_kind":"pith_short_12","alias_value":"HAYOZG2W6TKH","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HAYOZG2W6TKHTXW7","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HAYOZG2W","created_at":"2026-05-18T12:27:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:HAYOZG2W6TKHTXW7GOY6TPRD3V","target":"record","payload":{"canonical_record":{"source":{"id":"1211.5978","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-11-26T15:04:45Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"0a4acd23b84064f31508addd301245b09b46f30d35d433cadc81f1a85a74779e","abstract_canon_sha256":"3313a960cb35b1df2e23cc50569dc30da3759e2fee84bd03d00afbb17aa82fe0"},"schema_version":"1.0"},"canonical_sha256":"3830ec9b56f4d479dedf33b1e9be23dd4be82bfa83ced8143aed117ac2390123","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:39:53.693243Z","signature_b64":"4kaCpqEAYFnbnqrmzhbgVXeB+9YDIr+4PP26fG2YiJWViFZA1HW6UimLwUoVQLZgF5j0D51E9v0w5Oj8jqPICw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3830ec9b56f4d479dedf33b1e9be23dd4be82bfa83ced8143aed117ac2390123","last_reissued_at":"2026-05-18T03:39:53.692568Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:39:53.692568Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1211.5978","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":"2026-05-18T03:39:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/u01ZtrnabviPJGh7pFzdqHreTt+vm77XvDzH+ncU5UfFuhnYwxatMo3jJiD1btb41va3LZkDjqAKWbPvvmWDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:04:40.753415Z"},"content_sha256":"14924de9eb13f3a6b0fc7a4f34f237a6d2742905ed3ac0ae9603731cec5cb21a","schema_version":"1.0","event_id":"sha256:14924de9eb13f3a6b0fc7a4f34f237a6d2742905ed3ac0ae9603731cec5cb21a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:HAYOZG2W6TKHTXW7GOY6TPRD3V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Self-Assembly of Glycine on Cu (001): the Tales of Polarity and Temperature","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Enge Wang, Jing Xu, Lifang Xu, Sheng Meng, Zheshuai Lin","submitted_at":"2012-11-26T15:04:45Z","abstract_excerpt":"Glycine on Cu(001) is used as an example to illustrate the critical role of molecular polarity and finite temperature effect in self-assembly of biomolecules at a metal surface. A unified picture for glycine self-assembly on Cu(001) is derived based on full polarity compensation considerations, implemented as a generic rule. Temperature plays a non-trivial role: the ground-state structure at 0 K is absent at room temperature, where intermolecular hydrogen bonding overweighs competing molecule-substrate interactions. The unique p(2X4) structure from the rule is proved as the most stable one by "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.5978","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":"2026-05-18T03:39:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZxizfXYz37w4GkDjXpeIryDGcBPKikthwo8tmXywy3bFHSYvJzXuScCtDhdHzHkVO1gEmYvvA67xtNAg6ck6Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:04:40.754057Z"},"content_sha256":"63793e6730feaf60085dbdc41bbd541c285a6f619e13c3c1ef6db3d23c53683f","schema_version":"1.0","event_id":"sha256:63793e6730feaf60085dbdc41bbd541c285a6f619e13c3c1ef6db3d23c53683f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HAYOZG2W6TKHTXW7GOY6TPRD3V/bundle.json","state_url":"https://pith.science/pith/HAYOZG2W6TKHTXW7GOY6TPRD3V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HAYOZG2W6TKHTXW7GOY6TPRD3V/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":"2026-05-25T22:04:40Z","links":{"resolver":"https://pith.science/pith/HAYOZG2W6TKHTXW7GOY6TPRD3V","bundle":"https://pith.science/pith/HAYOZG2W6TKHTXW7GOY6TPRD3V/bundle.json","state":"https://pith.science/pith/HAYOZG2W6TKHTXW7GOY6TPRD3V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HAYOZG2W6TKHTXW7GOY6TPRD3V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:HAYOZG2W6TKHTXW7GOY6TPRD3V","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":"3313a960cb35b1df2e23cc50569dc30da3759e2fee84bd03d00afbb17aa82fe0","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-11-26T15:04:45Z","title_canon_sha256":"0a4acd23b84064f31508addd301245b09b46f30d35d433cadc81f1a85a74779e"},"schema_version":"1.0","source":{"id":"1211.5978","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.5978","created_at":"2026-05-18T03:39:53Z"},{"alias_kind":"arxiv_version","alias_value":"1211.5978v1","created_at":"2026-05-18T03:39:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.5978","created_at":"2026-05-18T03:39:53Z"},{"alias_kind":"pith_short_12","alias_value":"HAYOZG2W6TKH","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HAYOZG2W6TKHTXW7","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HAYOZG2W","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:63793e6730feaf60085dbdc41bbd541c285a6f619e13c3c1ef6db3d23c53683f","target":"graph","created_at":"2026-05-18T03:39:53Z","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":"Glycine on Cu(001) is used as an example to illustrate the critical role of molecular polarity and finite temperature effect in self-assembly of biomolecules at a metal surface. A unified picture for glycine self-assembly on Cu(001) is derived based on full polarity compensation considerations, implemented as a generic rule. Temperature plays a non-trivial role: the ground-state structure at 0 K is absent at room temperature, where intermolecular hydrogen bonding overweighs competing molecule-substrate interactions. The unique p(2X4) structure from the rule is proved as the most stable one by ","authors_text":"Enge Wang, Jing Xu, Lifang Xu, Sheng Meng, Zheshuai Lin","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-11-26T15:04:45Z","title":"Self-Assembly of Glycine on Cu (001): the Tales of Polarity and Temperature"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.5978","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":"sha256:14924de9eb13f3a6b0fc7a4f34f237a6d2742905ed3ac0ae9603731cec5cb21a","target":"record","created_at":"2026-05-18T03:39:53Z","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":"3313a960cb35b1df2e23cc50569dc30da3759e2fee84bd03d00afbb17aa82fe0","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-11-26T15:04:45Z","title_canon_sha256":"0a4acd23b84064f31508addd301245b09b46f30d35d433cadc81f1a85a74779e"},"schema_version":"1.0","source":{"id":"1211.5978","kind":"arxiv","version":1}},"canonical_sha256":"3830ec9b56f4d479dedf33b1e9be23dd4be82bfa83ced8143aed117ac2390123","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3830ec9b56f4d479dedf33b1e9be23dd4be82bfa83ced8143aed117ac2390123","first_computed_at":"2026-05-18T03:39:53.692568Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:39:53.692568Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4kaCpqEAYFnbnqrmzhbgVXeB+9YDIr+4PP26fG2YiJWViFZA1HW6UimLwUoVQLZgF5j0D51E9v0w5Oj8jqPICw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:39:53.693243Z","signed_message":"canonical_sha256_bytes"},"source_id":"1211.5978","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:14924de9eb13f3a6b0fc7a4f34f237a6d2742905ed3ac0ae9603731cec5cb21a","sha256:63793e6730feaf60085dbdc41bbd541c285a6f619e13c3c1ef6db3d23c53683f"],"state_sha256":"6bf21f944e35488b3af7b05ffd4ae62f63035ff60d24e350370afcf9adce200b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cOWAsqcIHEpaMt7oMG7RTZV3htBdz0ewox7cm50Yxa3KOL6f2qpnZGHeYmcf5gIXd1CIo7gmTAC8UEBvfAKOAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T22:04:40.756988Z","bundle_sha256":"fb105a37c009f363fa732444091deef74877eb9ffc437b00441d472d8346e3fc"}}