{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:4ZQTRPJAG64DSOJLMVEDBJK4ZC","short_pith_number":"pith:4ZQTRPJA","canonical_record":{"source":{"id":"1511.03921","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-11-12T15:10:40Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"8f6fd56486c09eec1174328a9245a09074a7d04050a905eae8b946f00ca9a89c","abstract_canon_sha256":"b05fc8fdcc5c2eb6c9931d446696e12dd469c1d56ab65565c39227cd3f21cfa3"},"schema_version":"1.0"},"canonical_sha256":"e66138bd2037b839392b654830a55cc8b13bb9d53e0a18e5551b9a5a59f46434","source":{"kind":"arxiv","id":"1511.03921","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.03921","created_at":"2026-05-18T01:27:06Z"},{"alias_kind":"arxiv_version","alias_value":"1511.03921v1","created_at":"2026-05-18T01:27:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.03921","created_at":"2026-05-18T01:27:06Z"},{"alias_kind":"pith_short_12","alias_value":"4ZQTRPJAG64D","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"4ZQTRPJAG64DSOJL","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"4ZQTRPJA","created_at":"2026-05-18T12:29:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:4ZQTRPJAG64DSOJLMVEDBJK4ZC","target":"record","payload":{"canonical_record":{"source":{"id":"1511.03921","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-11-12T15:10:40Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"8f6fd56486c09eec1174328a9245a09074a7d04050a905eae8b946f00ca9a89c","abstract_canon_sha256":"b05fc8fdcc5c2eb6c9931d446696e12dd469c1d56ab65565c39227cd3f21cfa3"},"schema_version":"1.0"},"canonical_sha256":"e66138bd2037b839392b654830a55cc8b13bb9d53e0a18e5551b9a5a59f46434","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:27:06.470559Z","signature_b64":"c9Q9+gr+C5ANQKqnUVZJhN9pTG5JKZ1mm6B3bT+9h7+wida689KZgh8CHuYEyIisei45zCBKv58wddJBlUYWAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e66138bd2037b839392b654830a55cc8b13bb9d53e0a18e5551b9a5a59f46434","last_reissued_at":"2026-05-18T01:27:06.469726Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:27:06.469726Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.03921","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":"2026-05-18T01:27:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7XCgCYH92qRL7bMJC8BbwW1WRpGFJ/f2BoS4BFOch2noZo3oayTlMZnw98acVNGSn6QXUnw276JWx/xZnymlBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T11:23:33.996367Z"},"content_sha256":"f3492654000a5efad71ffea1415d66039cc24863fe2ab5607bccbcc1b7c9bb99","schema_version":"1.0","event_id":"sha256:f3492654000a5efad71ffea1415d66039cc24863fe2ab5607bccbcc1b7c9bb99"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:4ZQTRPJAG64DSOJLMVEDBJK4ZC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The structure and cage filling of gas hydrates as established by synchrotron powder diffraction data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Andrzej Falenty, Christiane D. Hartmann, Susanne Hemes, Werner F. Kuhs","submitted_at":"2015-11-12T15:10:40Z","abstract_excerpt":"Synchrotron powder diffraction data were measured on various gas hydrates prepared at different fugacities and recovered to low temperatures. The data extend to sin {\\theta}/{\\lambda} values of at least 1.01 {\\AA}-1, in some cases up to 1.48 {\\AA}-1, i.e. at least 3 times further in reciprocal space than the best single crystal data obtained so far. Here the results of CO2-hydrate are presented in detail. Structural information is obtained from Rietveld refinements to unprecedented precision. All H-bonded O-O distances are found to be close to 2.75-2.76 {\\AA}, i.e. very close to the values in "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.03921","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":"2026-05-18T01:27:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D5mMoBNrwdplzFSGiNAbS6xHkYeIi6+0VQLgl8EGPz9e67QWRG47lJptvYV4dROfBfw7OWoA4RQzgybyxjtSBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T11:23:33.996713Z"},"content_sha256":"3479d6bdb4dcc31e49c4dd3645c3aa715e7d384538f6a279cd877b12035fa343","schema_version":"1.0","event_id":"sha256:3479d6bdb4dcc31e49c4dd3645c3aa715e7d384538f6a279cd877b12035fa343"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4ZQTRPJAG64DSOJLMVEDBJK4ZC/bundle.json","state_url":"https://pith.science/pith/4ZQTRPJAG64DSOJLMVEDBJK4ZC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4ZQTRPJAG64DSOJLMVEDBJK4ZC/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":"2026-06-02T11:23:33Z","links":{"resolver":"https://pith.science/pith/4ZQTRPJAG64DSOJLMVEDBJK4ZC","bundle":"https://pith.science/pith/4ZQTRPJAG64DSOJLMVEDBJK4ZC/bundle.json","state":"https://pith.science/pith/4ZQTRPJAG64DSOJLMVEDBJK4ZC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4ZQTRPJAG64DSOJLMVEDBJK4ZC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:4ZQTRPJAG64DSOJLMVEDBJK4ZC","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":"b05fc8fdcc5c2eb6c9931d446696e12dd469c1d56ab65565c39227cd3f21cfa3","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-11-12T15:10:40Z","title_canon_sha256":"8f6fd56486c09eec1174328a9245a09074a7d04050a905eae8b946f00ca9a89c"},"schema_version":"1.0","source":{"id":"1511.03921","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.03921","created_at":"2026-05-18T01:27:06Z"},{"alias_kind":"arxiv_version","alias_value":"1511.03921v1","created_at":"2026-05-18T01:27:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.03921","created_at":"2026-05-18T01:27:06Z"},{"alias_kind":"pith_short_12","alias_value":"4ZQTRPJAG64D","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"4ZQTRPJAG64DSOJL","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"4ZQTRPJA","created_at":"2026-05-18T12:29:05Z"}],"graph_snapshots":[{"event_id":"sha256:3479d6bdb4dcc31e49c4dd3645c3aa715e7d384538f6a279cd877b12035fa343","target":"graph","created_at":"2026-05-18T01:27:06Z","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":"Synchrotron powder diffraction data were measured on various gas hydrates prepared at different fugacities and recovered to low temperatures. The data extend to sin {\\theta}/{\\lambda} values of at least 1.01 {\\AA}-1, in some cases up to 1.48 {\\AA}-1, i.e. at least 3 times further in reciprocal space than the best single crystal data obtained so far. Here the results of CO2-hydrate are presented in detail. Structural information is obtained from Rietveld refinements to unprecedented precision. All H-bonded O-O distances are found to be close to 2.75-2.76 {\\AA}, i.e. very close to the values in ","authors_text":"Andrzej Falenty, Christiane D. Hartmann, Susanne Hemes, Werner F. Kuhs","cross_cats":["cond-mat.other"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-11-12T15:10:40Z","title":"The structure and cage filling of gas hydrates as established by synchrotron powder diffraction data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.03921","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:f3492654000a5efad71ffea1415d66039cc24863fe2ab5607bccbcc1b7c9bb99","target":"record","created_at":"2026-05-18T01:27:06Z","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":"b05fc8fdcc5c2eb6c9931d446696e12dd469c1d56ab65565c39227cd3f21cfa3","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-11-12T15:10:40Z","title_canon_sha256":"8f6fd56486c09eec1174328a9245a09074a7d04050a905eae8b946f00ca9a89c"},"schema_version":"1.0","source":{"id":"1511.03921","kind":"arxiv","version":1}},"canonical_sha256":"e66138bd2037b839392b654830a55cc8b13bb9d53e0a18e5551b9a5a59f46434","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e66138bd2037b839392b654830a55cc8b13bb9d53e0a18e5551b9a5a59f46434","first_computed_at":"2026-05-18T01:27:06.469726Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:27:06.469726Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c9Q9+gr+C5ANQKqnUVZJhN9pTG5JKZ1mm6B3bT+9h7+wida689KZgh8CHuYEyIisei45zCBKv58wddJBlUYWAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:27:06.470559Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.03921","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f3492654000a5efad71ffea1415d66039cc24863fe2ab5607bccbcc1b7c9bb99","sha256:3479d6bdb4dcc31e49c4dd3645c3aa715e7d384538f6a279cd877b12035fa343"],"state_sha256":"25afe29448350069110c267571a54d473f321e6fe11cabd8dc5512137e271d9c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L7oqKc15Zw5VxV2Ypc/7CqDlMs7IquDOlS4cGMMsloNuYweQZVaqEekl6Q4k5gn6tNhCZoJedR7i8KkzktU1CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T11:23:33.998621Z","bundle_sha256":"6050fb0582716d8761b533efea1773010bc45e419b3b001888e29135758f09fd"}}