{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:NDN3K7T7BKB2TH44G3NBIPIHQA","short_pith_number":"pith:NDN3K7T7","canonical_record":{"source":{"id":"1203.2857","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-03-13T16:48:31Z","cross_cats_sorted":[],"title_canon_sha256":"a1b177a7fad263009f0651e495e1932e8f16179d3914b191ee98c260e5d24508","abstract_canon_sha256":"ec8c3c48aaad8127704da83b7d45b1529456794fa7039ccc17d85a69b6342ee5"},"schema_version":"1.0"},"canonical_sha256":"68dbb57e7f0a83a99f9c36da143d078013862578c188471f771da08d01264ed9","source":{"kind":"arxiv","id":"1203.2857","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.2857","created_at":"2026-05-18T03:52:38Z"},{"alias_kind":"arxiv_version","alias_value":"1203.2857v2","created_at":"2026-05-18T03:52:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.2857","created_at":"2026-05-18T03:52:38Z"},{"alias_kind":"pith_short_12","alias_value":"NDN3K7T7BKB2","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"NDN3K7T7BKB2TH44","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"NDN3K7T7","created_at":"2026-05-18T12:27:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:NDN3K7T7BKB2TH44G3NBIPIHQA","target":"record","payload":{"canonical_record":{"source":{"id":"1203.2857","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-03-13T16:48:31Z","cross_cats_sorted":[],"title_canon_sha256":"a1b177a7fad263009f0651e495e1932e8f16179d3914b191ee98c260e5d24508","abstract_canon_sha256":"ec8c3c48aaad8127704da83b7d45b1529456794fa7039ccc17d85a69b6342ee5"},"schema_version":"1.0"},"canonical_sha256":"68dbb57e7f0a83a99f9c36da143d078013862578c188471f771da08d01264ed9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:52:38.437624Z","signature_b64":"blJlfMR4Cy6OOBbjiwODmgCr5KDE0/rS/GFTHA2jW+OE7xqPVZL31zzPWWVeT9tGg/iadXCfJRuiUbiw35kbBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"68dbb57e7f0a83a99f9c36da143d078013862578c188471f771da08d01264ed9","last_reissued_at":"2026-05-18T03:52:38.436897Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:52:38.436897Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1203.2857","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:52:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VTQ05dkdkEQBc1Ol5NUpPirXKmdScWBQul8sgF0hN+fdZuljzLA0BC0wyrWWrDmRsnQ9b/lDu2p7ftTNRvYqBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:39:11.902631Z"},"content_sha256":"4a87daf6af3bb864fd78e88a960ac5140ece9f7b297b2a8479734e098189c0b6","schema_version":"1.0","event_id":"sha256:4a87daf6af3bb864fd78e88a960ac5140ece9f7b297b2a8479734e098189c0b6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:NDN3K7T7BKB2TH44G3NBIPIHQA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tension and stiffness of the hard sphere crystal-fluid interface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Andreas H\\\"artel, Hartmut L\\\"owen, J\\\"urgen Horbach, Martin Oettel, Roberto E. Rozas, Stefan U. Egelhaaf","submitted_at":"2012-03-13T16:48:31Z","abstract_excerpt":"A combination of fundamental measure density functional theory and Monte Carlo computer simulation is used to determine the orientation-resolved interfacial tension and stiffness for the equilibrium hard-sphere crystal-fluid interface. Microscopic density functional theory is in quantitative agreement with simulations and predicts a tension of 0.66 kT/\\sigma^2 with a small anisotropy of about 0.025 kT and stiffnesses with e.g. 0.53 kT/\\sigma^2 for the (001) orientation and 1.03 kT/\\sigma^2 for the (111) orientation. Here kT is denoting the thermal energy and \\sigma the hard sphere diameter. We"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.2857","kind":"arxiv","version":2},"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":"2026-05-18T03:52:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2Pta0mbneSmWkX8kfweBPdG2DmLMkAWP3JMj60RZnrVVGakwbxS9PDP4xbZVc325AnvoxDMECM0/2WcwrF61BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:39:11.903293Z"},"content_sha256":"f09481f2d30a2d738d849cd8bd550aed435e0eed4b2b5b93259a81415a80b6eb","schema_version":"1.0","event_id":"sha256:f09481f2d30a2d738d849cd8bd550aed435e0eed4b2b5b93259a81415a80b6eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NDN3K7T7BKB2TH44G3NBIPIHQA/bundle.json","state_url":"https://pith.science/pith/NDN3K7T7BKB2TH44G3NBIPIHQA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NDN3K7T7BKB2TH44G3NBIPIHQA/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":"2026-06-01T02:39:11Z","links":{"resolver":"https://pith.science/pith/NDN3K7T7BKB2TH44G3NBIPIHQA","bundle":"https://pith.science/pith/NDN3K7T7BKB2TH44G3NBIPIHQA/bundle.json","state":"https://pith.science/pith/NDN3K7T7BKB2TH44G3NBIPIHQA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NDN3K7T7BKB2TH44G3NBIPIHQA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:NDN3K7T7BKB2TH44G3NBIPIHQA","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":"ec8c3c48aaad8127704da83b7d45b1529456794fa7039ccc17d85a69b6342ee5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-03-13T16:48:31Z","title_canon_sha256":"a1b177a7fad263009f0651e495e1932e8f16179d3914b191ee98c260e5d24508"},"schema_version":"1.0","source":{"id":"1203.2857","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.2857","created_at":"2026-05-18T03:52:38Z"},{"alias_kind":"arxiv_version","alias_value":"1203.2857v2","created_at":"2026-05-18T03:52:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.2857","created_at":"2026-05-18T03:52:38Z"},{"alias_kind":"pith_short_12","alias_value":"NDN3K7T7BKB2","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"NDN3K7T7BKB2TH44","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"NDN3K7T7","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:f09481f2d30a2d738d849cd8bd550aed435e0eed4b2b5b93259a81415a80b6eb","target":"graph","created_at":"2026-05-18T03:52:38Z","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"},"paper":{"abstract_excerpt":"A combination of fundamental measure density functional theory and Monte Carlo computer simulation is used to determine the orientation-resolved interfacial tension and stiffness for the equilibrium hard-sphere crystal-fluid interface. Microscopic density functional theory is in quantitative agreement with simulations and predicts a tension of 0.66 kT/\\sigma^2 with a small anisotropy of about 0.025 kT and stiffnesses with e.g. 0.53 kT/\\sigma^2 for the (001) orientation and 1.03 kT/\\sigma^2 for the (111) orientation. Here kT is denoting the thermal energy and \\sigma the hard sphere diameter. We","authors_text":"Andreas H\\\"artel, Hartmut L\\\"owen, J\\\"urgen Horbach, Martin Oettel, Roberto E. Rozas, Stefan U. Egelhaaf","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-03-13T16:48:31Z","title":"Tension and stiffness of the hard sphere crystal-fluid interface"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.2857","kind":"arxiv","version":2},"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":"sha256:4a87daf6af3bb864fd78e88a960ac5140ece9f7b297b2a8479734e098189c0b6","target":"record","created_at":"2026-05-18T03:52:38Z","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":"ec8c3c48aaad8127704da83b7d45b1529456794fa7039ccc17d85a69b6342ee5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-03-13T16:48:31Z","title_canon_sha256":"a1b177a7fad263009f0651e495e1932e8f16179d3914b191ee98c260e5d24508"},"schema_version":"1.0","source":{"id":"1203.2857","kind":"arxiv","version":2}},"canonical_sha256":"68dbb57e7f0a83a99f9c36da143d078013862578c188471f771da08d01264ed9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"68dbb57e7f0a83a99f9c36da143d078013862578c188471f771da08d01264ed9","first_computed_at":"2026-05-18T03:52:38.436897Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:52:38.436897Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"blJlfMR4Cy6OOBbjiwODmgCr5KDE0/rS/GFTHA2jW+OE7xqPVZL31zzPWWVeT9tGg/iadXCfJRuiUbiw35kbBA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:52:38.437624Z","signed_message":"canonical_sha256_bytes"},"source_id":"1203.2857","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4a87daf6af3bb864fd78e88a960ac5140ece9f7b297b2a8479734e098189c0b6","sha256:f09481f2d30a2d738d849cd8bd550aed435e0eed4b2b5b93259a81415a80b6eb"],"state_sha256":"12819c1607ec2925a388bce923b4e2b0907f9599bf0fa786f098b81fb2cc2f70"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xCRvGqbSX/zfJZcZl1EPD9kyQgJbtdYknt/1YQCg7FewkLWvGcr/CY4PnG8SOPR1D0kTtQgZIuLfzx3DJX6XCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T02:39:11.906547Z","bundle_sha256":"5f434181dd48ca03e24e9193a8aa342e9b9526fcd5763f82d2e102c5cfbd7657"}}