{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:ZBJJZGYYAJT474KPNIJAXYRMPZ","short_pith_number":"pith:ZBJJZGYY","canonical_record":{"source":{"id":"1302.1231","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-02-05T22:51:33Z","cross_cats_sorted":[],"title_canon_sha256":"894e9b1840c972a66603e9ff44828260b202266f9d69c5d9731e555ec6a16977","abstract_canon_sha256":"f744014542205d4cc25fc9e21d8ad1c53fba9684df594408bad150f372944462"},"schema_version":"1.0"},"canonical_sha256":"c8529c9b180267cff14f6a120be22c7e5e00b98876ed14a1e62239db50e04a38","source":{"kind":"arxiv","id":"1302.1231","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.1231","created_at":"2026-05-18T01:51:50Z"},{"alias_kind":"arxiv_version","alias_value":"1302.1231v1","created_at":"2026-05-18T01:51:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.1231","created_at":"2026-05-18T01:51:50Z"},{"alias_kind":"pith_short_12","alias_value":"ZBJJZGYYAJT4","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"ZBJJZGYYAJT474KP","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"ZBJJZGYY","created_at":"2026-05-18T12:28:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:ZBJJZGYYAJT474KPNIJAXYRMPZ","target":"record","payload":{"canonical_record":{"source":{"id":"1302.1231","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-02-05T22:51:33Z","cross_cats_sorted":[],"title_canon_sha256":"894e9b1840c972a66603e9ff44828260b202266f9d69c5d9731e555ec6a16977","abstract_canon_sha256":"f744014542205d4cc25fc9e21d8ad1c53fba9684df594408bad150f372944462"},"schema_version":"1.0"},"canonical_sha256":"c8529c9b180267cff14f6a120be22c7e5e00b98876ed14a1e62239db50e04a38","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:50.062100Z","signature_b64":"KYGBZidgijQiEgoL0v8Ipz5gnxpYUfHSVH8+T+usoA75FJqwk+mTJHevSq2aBbkj1okOnZcaAUk8u3DEi0acBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c8529c9b180267cff14f6a120be22c7e5e00b98876ed14a1e62239db50e04a38","last_reissued_at":"2026-05-18T01:51:50.061495Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:50.061495Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.1231","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":"2026-05-18T01:51:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qzeP62rNNnuLBNFZjN/TlTle3s596LUQGDKQC8A709TxYapywcFdrHWlAWKvVIm9N+a1uy1rJZfrhd03/qJvCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T06:32:29.323571Z"},"content_sha256":"b00f5ca69c9c2531e1a0bda852a8b936b6f73221238fa78d2815a8ca6b13cd51","schema_version":"1.0","event_id":"sha256:b00f5ca69c9c2531e1a0bda852a8b936b6f73221238fa78d2815a8ca6b13cd51"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:ZBJJZGYYAJT474KPNIJAXYRMPZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Toward a Comprehensive Model of Snow Crystal Growth Dynamics: 2. Structure Dependent Attachment Kinetics near -5 C","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Kenneth G. Libbrecht","submitted_at":"2013-02-05T22:51:33Z","abstract_excerpt":"We present experimental data demonstrating the presence of structure-dependent attachment kinetics (SDAK) in ice crystal growth from water vapor near -5 C. Specifically, we find that the nucleation barrier on the basal edge of a thin-walled hollow columnar crystal is approximately ten times smaller than the corresponding nucleation barrier on a large basal facet. These observations support the hypothesis that SDAK effects play an important role in determining the growth morphologies of atmospheric ice crystals as a function of temperature."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.1231","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":"2026-05-18T01:51:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4YxXelizt69C5H3j4OQ7S2sAUPIC4EENb7z5TgdxLgY9IsFUWTnIXlyL9ceD7gaZdQpC1x1YQc4IqSbYIRrBDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T06:32:29.323904Z"},"content_sha256":"6d828a7a662b656ca56b8941ceb4d73b0beb0f5dfe5c551a4d538eb61bd8cd1f","schema_version":"1.0","event_id":"sha256:6d828a7a662b656ca56b8941ceb4d73b0beb0f5dfe5c551a4d538eb61bd8cd1f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZBJJZGYYAJT474KPNIJAXYRMPZ/bundle.json","state_url":"https://pith.science/pith/ZBJJZGYYAJT474KPNIJAXYRMPZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZBJJZGYYAJT474KPNIJAXYRMPZ/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":"2026-06-24T06:32:29Z","links":{"resolver":"https://pith.science/pith/ZBJJZGYYAJT474KPNIJAXYRMPZ","bundle":"https://pith.science/pith/ZBJJZGYYAJT474KPNIJAXYRMPZ/bundle.json","state":"https://pith.science/pith/ZBJJZGYYAJT474KPNIJAXYRMPZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZBJJZGYYAJT474KPNIJAXYRMPZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:ZBJJZGYYAJT474KPNIJAXYRMPZ","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":"f744014542205d4cc25fc9e21d8ad1c53fba9684df594408bad150f372944462","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-02-05T22:51:33Z","title_canon_sha256":"894e9b1840c972a66603e9ff44828260b202266f9d69c5d9731e555ec6a16977"},"schema_version":"1.0","source":{"id":"1302.1231","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.1231","created_at":"2026-05-18T01:51:50Z"},{"alias_kind":"arxiv_version","alias_value":"1302.1231v1","created_at":"2026-05-18T01:51:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.1231","created_at":"2026-05-18T01:51:50Z"},{"alias_kind":"pith_short_12","alias_value":"ZBJJZGYYAJT4","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"ZBJJZGYYAJT474KP","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"ZBJJZGYY","created_at":"2026-05-18T12:28:09Z"}],"graph_snapshots":[{"event_id":"sha256:6d828a7a662b656ca56b8941ceb4d73b0beb0f5dfe5c551a4d538eb61bd8cd1f","target":"graph","created_at":"2026-05-18T01:51:50Z","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":"We present experimental data demonstrating the presence of structure-dependent attachment kinetics (SDAK) in ice crystal growth from water vapor near -5 C. Specifically, we find that the nucleation barrier on the basal edge of a thin-walled hollow columnar crystal is approximately ten times smaller than the corresponding nucleation barrier on a large basal facet. These observations support the hypothesis that SDAK effects play an important role in determining the growth morphologies of atmospheric ice crystals as a function of temperature.","authors_text":"Kenneth G. Libbrecht","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-02-05T22:51:33Z","title":"Toward a Comprehensive Model of Snow Crystal Growth Dynamics: 2. Structure Dependent Attachment Kinetics near -5 C"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.1231","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:b00f5ca69c9c2531e1a0bda852a8b936b6f73221238fa78d2815a8ca6b13cd51","target":"record","created_at":"2026-05-18T01:51:50Z","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":"f744014542205d4cc25fc9e21d8ad1c53fba9684df594408bad150f372944462","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-02-05T22:51:33Z","title_canon_sha256":"894e9b1840c972a66603e9ff44828260b202266f9d69c5d9731e555ec6a16977"},"schema_version":"1.0","source":{"id":"1302.1231","kind":"arxiv","version":1}},"canonical_sha256":"c8529c9b180267cff14f6a120be22c7e5e00b98876ed14a1e62239db50e04a38","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c8529c9b180267cff14f6a120be22c7e5e00b98876ed14a1e62239db50e04a38","first_computed_at":"2026-05-18T01:51:50.061495Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:50.061495Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KYGBZidgijQiEgoL0v8Ipz5gnxpYUfHSVH8+T+usoA75FJqwk+mTJHevSq2aBbkj1okOnZcaAUk8u3DEi0acBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:50.062100Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.1231","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b00f5ca69c9c2531e1a0bda852a8b936b6f73221238fa78d2815a8ca6b13cd51","sha256:6d828a7a662b656ca56b8941ceb4d73b0beb0f5dfe5c551a4d538eb61bd8cd1f"],"state_sha256":"655e859391db3332a8d74326009805265fdd25b214d8ab4e8266f22484efe91e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FH/Epsx6qrERb3pPES+iRBHMUaeb6bd3wsQgdOqbTc/u/9LGsxoqCafR0vRjE+IfetPwoqigaYVElUvEVm/FAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T06:32:29.325897Z","bundle_sha256":"f3ab4380932f30a7174fbb664f7c9f42b1cdf54f1132d3ad93b0efde4779dfca"}}