{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:IS46HTVSVPB3W74M225DILMMDX","short_pith_number":"pith:IS46HTVS","canonical_record":{"source":{"id":"2006.10928","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-06-19T02:02:39Z","cross_cats_sorted":[],"title_canon_sha256":"1c2e55b389dc87ad3cc38c8a44b0445d5f977cc29e88f4ed398a8c87c2fe4b1e","abstract_canon_sha256":"0f9927ec1f9563e50a63144ad166027deb392d698d67334808a8fde314d71f5d"},"schema_version":"1.0"},"canonical_sha256":"44b9e3ceb2abc3bb7f8cd6ba342d8c1df58cf0de1bb8584907aeddaf01a52023","source":{"kind":"arxiv","id":"2006.10928","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.10928","created_at":"2026-07-05T01:11:26Z"},{"alias_kind":"arxiv_version","alias_value":"2006.10928v1","created_at":"2026-07-05T01:11:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.10928","created_at":"2026-07-05T01:11:26Z"},{"alias_kind":"pith_short_12","alias_value":"IS46HTVSVPB3","created_at":"2026-07-05T01:11:26Z"},{"alias_kind":"pith_short_16","alias_value":"IS46HTVSVPB3W74M","created_at":"2026-07-05T01:11:26Z"},{"alias_kind":"pith_short_8","alias_value":"IS46HTVS","created_at":"2026-07-05T01:11:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:IS46HTVSVPB3W74M225DILMMDX","target":"record","payload":{"canonical_record":{"source":{"id":"2006.10928","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-06-19T02:02:39Z","cross_cats_sorted":[],"title_canon_sha256":"1c2e55b389dc87ad3cc38c8a44b0445d5f977cc29e88f4ed398a8c87c2fe4b1e","abstract_canon_sha256":"0f9927ec1f9563e50a63144ad166027deb392d698d67334808a8fde314d71f5d"},"schema_version":"1.0"},"canonical_sha256":"44b9e3ceb2abc3bb7f8cd6ba342d8c1df58cf0de1bb8584907aeddaf01a52023","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:11:26.863908Z","signature_b64":"eHH5+8Kh5PIy/h+qq2FenD2kGz2Ps8S2NZ4SnTnfjdmZ5pfac/1Yltl+JgB17dnt1bELsXS+twkOAtpsCukXBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"44b9e3ceb2abc3bb7f8cd6ba342d8c1df58cf0de1bb8584907aeddaf01a52023","last_reissued_at":"2026-07-05T01:11:26.863441Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:11:26.863441Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2006.10928","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":"2026-07-05T01:11:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"++6wIlC5heMeAUX+pIljiE8L2D7YVWeUjiLpSCVPx/mOv0RW7Db4MhSZ2uGc3CzsDyHMxoaq6J8Mx8WHWg5TDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T01:01:51.039635Z"},"content_sha256":"fbfde85774b9c72737ef202a3d3786293616b6b5d57672c9dc97a8d2ff8c3524","schema_version":"1.0","event_id":"sha256:fbfde85774b9c72737ef202a3d3786293616b6b5d57672c9dc97a8d2ff8c3524"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:IS46HTVSVPB3W74M225DILMMDX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"New diversity form of ice polymorphism: Discovery of second hydrogen ordered phase of ice VI","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Hayate Ito, Hiroyuki Kagi, Jun Gouchi, Kazuki Komatsu, Ryo Yamane, Shinichi Machida, Takanori Hattori, Yoshiya Uwatoko","submitted_at":"2020-06-19T02:02:39Z","abstract_excerpt":"More than 20 crystalline and amorphous phases have been reported for ice so far. This extraordinary polymorphism of ice arises from the geometric flexibility of hydrogen bonds and hydrogen ordering, and makes ice a unique presence with its universality in the wide fields of material and earth and planetary science. A prominent unsolved question concerning the diversity is whether a hydrogen-disordered phase of ice transforms into only one hydrogen-ordered phase, as inferred from the current phase diagram of ice, although its possible hydrogen configurations have close energies. Recent experime"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.10928","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/2006.10928/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":"2026-07-05T01:11:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"50yY0n0ItokXnJc+QdJqa7yVB26RyvUbGVhLJ0Mk2ofhv1W8h1jITPex3Y/xsBUoJZysoQFtxhHF0t2uIz3wDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T01:01:51.040012Z"},"content_sha256":"e1d7d00a91e339d6f7e8811374b6d8dd5587980f9ecf47e0718ed3ff3ea4e142","schema_version":"1.0","event_id":"sha256:e1d7d00a91e339d6f7e8811374b6d8dd5587980f9ecf47e0718ed3ff3ea4e142"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IS46HTVSVPB3W74M225DILMMDX/bundle.json","state_url":"https://pith.science/pith/IS46HTVSVPB3W74M225DILMMDX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IS46HTVSVPB3W74M225DILMMDX/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":"2026-07-09T01:01:51Z","links":{"resolver":"https://pith.science/pith/IS46HTVSVPB3W74M225DILMMDX","bundle":"https://pith.science/pith/IS46HTVSVPB3W74M225DILMMDX/bundle.json","state":"https://pith.science/pith/IS46HTVSVPB3W74M225DILMMDX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IS46HTVSVPB3W74M225DILMMDX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:IS46HTVSVPB3W74M225DILMMDX","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":"0f9927ec1f9563e50a63144ad166027deb392d698d67334808a8fde314d71f5d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-06-19T02:02:39Z","title_canon_sha256":"1c2e55b389dc87ad3cc38c8a44b0445d5f977cc29e88f4ed398a8c87c2fe4b1e"},"schema_version":"1.0","source":{"id":"2006.10928","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.10928","created_at":"2026-07-05T01:11:26Z"},{"alias_kind":"arxiv_version","alias_value":"2006.10928v1","created_at":"2026-07-05T01:11:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.10928","created_at":"2026-07-05T01:11:26Z"},{"alias_kind":"pith_short_12","alias_value":"IS46HTVSVPB3","created_at":"2026-07-05T01:11:26Z"},{"alias_kind":"pith_short_16","alias_value":"IS46HTVSVPB3W74M","created_at":"2026-07-05T01:11:26Z"},{"alias_kind":"pith_short_8","alias_value":"IS46HTVS","created_at":"2026-07-05T01:11:26Z"}],"graph_snapshots":[{"event_id":"sha256:e1d7d00a91e339d6f7e8811374b6d8dd5587980f9ecf47e0718ed3ff3ea4e142","target":"graph","created_at":"2026-07-05T01:11:26Z","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/2006.10928/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"More than 20 crystalline and amorphous phases have been reported for ice so far. This extraordinary polymorphism of ice arises from the geometric flexibility of hydrogen bonds and hydrogen ordering, and makes ice a unique presence with its universality in the wide fields of material and earth and planetary science. A prominent unsolved question concerning the diversity is whether a hydrogen-disordered phase of ice transforms into only one hydrogen-ordered phase, as inferred from the current phase diagram of ice, although its possible hydrogen configurations have close energies. Recent experime","authors_text":"Hayate Ito, Hiroyuki Kagi, Jun Gouchi, Kazuki Komatsu, Ryo Yamane, Shinichi Machida, Takanori Hattori, Yoshiya Uwatoko","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-06-19T02:02:39Z","title":"New diversity form of ice polymorphism: Discovery of second hydrogen ordered phase of ice VI"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.10928","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:fbfde85774b9c72737ef202a3d3786293616b6b5d57672c9dc97a8d2ff8c3524","target":"record","created_at":"2026-07-05T01:11:26Z","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":"0f9927ec1f9563e50a63144ad166027deb392d698d67334808a8fde314d71f5d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-06-19T02:02:39Z","title_canon_sha256":"1c2e55b389dc87ad3cc38c8a44b0445d5f977cc29e88f4ed398a8c87c2fe4b1e"},"schema_version":"1.0","source":{"id":"2006.10928","kind":"arxiv","version":1}},"canonical_sha256":"44b9e3ceb2abc3bb7f8cd6ba342d8c1df58cf0de1bb8584907aeddaf01a52023","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"44b9e3ceb2abc3bb7f8cd6ba342d8c1df58cf0de1bb8584907aeddaf01a52023","first_computed_at":"2026-07-05T01:11:26.863441Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:11:26.863441Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eHH5+8Kh5PIy/h+qq2FenD2kGz2Ps8S2NZ4SnTnfjdmZ5pfac/1Yltl+JgB17dnt1bELsXS+twkOAtpsCukXBA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:11:26.863908Z","signed_message":"canonical_sha256_bytes"},"source_id":"2006.10928","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fbfde85774b9c72737ef202a3d3786293616b6b5d57672c9dc97a8d2ff8c3524","sha256:e1d7d00a91e339d6f7e8811374b6d8dd5587980f9ecf47e0718ed3ff3ea4e142"],"state_sha256":"9ebcfe0ce20412c208aa6c29f5a80d4e54cfb999f3eb3fe9d8c369ca23fecca4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MrgN+Aq7n4eKJHiKYnYo7yaXL90DWEzJtx7T2++/VQkgTMDl7K2gbX13JkFgTm9kDNIOLzzub5yyt45KWR9qDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T01:01:51.042039Z","bundle_sha256":"643d6c9663d83183e6f3c92c381fe186784045170cb58dec6a0e592c50ebee19"}}