{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:A7JM54Q5FGE7LKCOODJ4L577VL","short_pith_number":"pith:A7JM54Q5","canonical_record":{"source":{"id":"1904.05749","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-04-11T15:06:21Z","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.str-el"],"title_canon_sha256":"46354d6fd493c2d4559d0a4caaae32aa913387edd7bde96b12dc961eb29730a5","abstract_canon_sha256":"fe76bd735aedfa5b01102f634a6119818538d96fb470941e22a2f4bef7d85149"},"schema_version":"1.0"},"canonical_sha256":"07d2cef21d2989f5a84e70d3c5f7ffaac7cd79ef52914d8c0835274a9f2bd8a2","source":{"kind":"arxiv","id":"1904.05749","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.05749","created_at":"2026-05-17T23:48:48Z"},{"alias_kind":"arxiv_version","alias_value":"1904.05749v1","created_at":"2026-05-17T23:48:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.05749","created_at":"2026-05-17T23:48:48Z"},{"alias_kind":"pith_short_12","alias_value":"A7JM54Q5FGE7","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"A7JM54Q5FGE7LKCO","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"A7JM54Q5","created_at":"2026-05-18T12:33:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:A7JM54Q5FGE7LKCOODJ4L577VL","target":"record","payload":{"canonical_record":{"source":{"id":"1904.05749","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-04-11T15:06:21Z","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.str-el"],"title_canon_sha256":"46354d6fd493c2d4559d0a4caaae32aa913387edd7bde96b12dc961eb29730a5","abstract_canon_sha256":"fe76bd735aedfa5b01102f634a6119818538d96fb470941e22a2f4bef7d85149"},"schema_version":"1.0"},"canonical_sha256":"07d2cef21d2989f5a84e70d3c5f7ffaac7cd79ef52914d8c0835274a9f2bd8a2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:48.581103Z","signature_b64":"1bU+TLaWHS/fEn8HjXu6yndKaA5NTYGjk6oLr8EL4S+79s/51KdLAzRMikeQkxV5YBov9hvrUxFkDCesXKTPAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"07d2cef21d2989f5a84e70d3c5f7ffaac7cd79ef52914d8c0835274a9f2bd8a2","last_reissued_at":"2026-05-17T23:48:48.580433Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:48.580433Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.05749","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":"2026-05-17T23:48:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g3khIdibBgMd2tO8J3xLIIRoDeZqVugrUCbnaBcTt8Ifn2MYVmb5w4dWO8RTSaXCsuq7RByW+IZIuWNdmuFIDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T08:50:10.948235Z"},"content_sha256":"c5d9d166b984435a6886c218278d9776c6ef64cb873ed4651901826114b8f8af","schema_version":"1.0","event_id":"sha256:c5d9d166b984435a6886c218278d9776c6ef64cb873ed4651901826114b8f8af"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:A7JM54Q5FGE7LKCOODJ4L577VL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Room temperature spin-ice physics in cadmium cyanide","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn","cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Adrian Schmutzler, Andrew G. Seel, Andrew L. Goodwin, Arkadiy Simonov, Ben Slater, Chloe S. Coates, David A. Keen, Helen Y. Playford, Joshua W. Makepeace, J\\\"urgen Senker, Mia Baise, Ren\\'ee Siegel, Ronald I. Smith","submitted_at":"2019-04-11T15:06:21Z","abstract_excerpt":"Spin-ices are frustrated magnets that support a particularly rich variety of emergent physics. Typically, it is the interplay of magnetic dipole interactions, spin anisotropy, and geometric frustration on the pyrochlore lattice that drives spin-ice formation. The relevant physics occurs at temperatures commensurate with the magnetic interaction strength, which for most systems is 1--5\\,K. This low energy scale poses severe challenges for experimental studies of spin-ices and the practical exploitation of their unusual properties. Here, we show that non-magnetic cadmium cyanide (Cd(CN)$_2$) exh"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.05749","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":"2026-05-17T23:48:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xcNmhdWH3HZ/UBTLimTXVFJIkqS7/rN+TaqOfGu0eceSFkPxsDe8sD/LxJXO9vRXfBtr0J12STGJQgeMi65pCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T08:50:10.949065Z"},"content_sha256":"d9b188947cb65c68df34ba8f2110d5b912aaa6b2a0880dc2757b895fd0d363f0","schema_version":"1.0","event_id":"sha256:d9b188947cb65c68df34ba8f2110d5b912aaa6b2a0880dc2757b895fd0d363f0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A7JM54Q5FGE7LKCOODJ4L577VL/bundle.json","state_url":"https://pith.science/pith/A7JM54Q5FGE7LKCOODJ4L577VL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A7JM54Q5FGE7LKCOODJ4L577VL/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":"2026-05-26T08:50:10Z","links":{"resolver":"https://pith.science/pith/A7JM54Q5FGE7LKCOODJ4L577VL","bundle":"https://pith.science/pith/A7JM54Q5FGE7LKCOODJ4L577VL/bundle.json","state":"https://pith.science/pith/A7JM54Q5FGE7LKCOODJ4L577VL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A7JM54Q5FGE7LKCOODJ4L577VL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:A7JM54Q5FGE7LKCOODJ4L577VL","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":"fe76bd735aedfa5b01102f634a6119818538d96fb470941e22a2f4bef7d85149","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-04-11T15:06:21Z","title_canon_sha256":"46354d6fd493c2d4559d0a4caaae32aa913387edd7bde96b12dc961eb29730a5"},"schema_version":"1.0","source":{"id":"1904.05749","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.05749","created_at":"2026-05-17T23:48:48Z"},{"alias_kind":"arxiv_version","alias_value":"1904.05749v1","created_at":"2026-05-17T23:48:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.05749","created_at":"2026-05-17T23:48:48Z"},{"alias_kind":"pith_short_12","alias_value":"A7JM54Q5FGE7","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"A7JM54Q5FGE7LKCO","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"A7JM54Q5","created_at":"2026-05-18T12:33:12Z"}],"graph_snapshots":[{"event_id":"sha256:d9b188947cb65c68df34ba8f2110d5b912aaa6b2a0880dc2757b895fd0d363f0","target":"graph","created_at":"2026-05-17T23:48:48Z","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":"Spin-ices are frustrated magnets that support a particularly rich variety of emergent physics. Typically, it is the interplay of magnetic dipole interactions, spin anisotropy, and geometric frustration on the pyrochlore lattice that drives spin-ice formation. The relevant physics occurs at temperatures commensurate with the magnetic interaction strength, which for most systems is 1--5\\,K. This low energy scale poses severe challenges for experimental studies of spin-ices and the practical exploitation of their unusual properties. Here, we show that non-magnetic cadmium cyanide (Cd(CN)$_2$) exh","authors_text":"Adrian Schmutzler, Andrew G. Seel, Andrew L. Goodwin, Arkadiy Simonov, Ben Slater, Chloe S. Coates, David A. Keen, Helen Y. Playford, Joshua W. Makepeace, J\\\"urgen Senker, Mia Baise, Ren\\'ee Siegel, Ronald I. Smith","cross_cats":["cond-mat.dis-nn","cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-04-11T15:06:21Z","title":"Room temperature spin-ice physics in cadmium cyanide"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.05749","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:c5d9d166b984435a6886c218278d9776c6ef64cb873ed4651901826114b8f8af","target":"record","created_at":"2026-05-17T23:48:48Z","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":"fe76bd735aedfa5b01102f634a6119818538d96fb470941e22a2f4bef7d85149","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-04-11T15:06:21Z","title_canon_sha256":"46354d6fd493c2d4559d0a4caaae32aa913387edd7bde96b12dc961eb29730a5"},"schema_version":"1.0","source":{"id":"1904.05749","kind":"arxiv","version":1}},"canonical_sha256":"07d2cef21d2989f5a84e70d3c5f7ffaac7cd79ef52914d8c0835274a9f2bd8a2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"07d2cef21d2989f5a84e70d3c5f7ffaac7cd79ef52914d8c0835274a9f2bd8a2","first_computed_at":"2026-05-17T23:48:48.580433Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:48.580433Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1bU+TLaWHS/fEn8HjXu6yndKaA5NTYGjk6oLr8EL4S+79s/51KdLAzRMikeQkxV5YBov9hvrUxFkDCesXKTPAw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:48.581103Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.05749","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c5d9d166b984435a6886c218278d9776c6ef64cb873ed4651901826114b8f8af","sha256:d9b188947cb65c68df34ba8f2110d5b912aaa6b2a0880dc2757b895fd0d363f0"],"state_sha256":"fea5f2b69fd5a922d55429641040db18bd47f74008ab7b29327fe8f22bb1ef72"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I6eDZ4cCSQBcW32f5JExr/pFzqAtVvzUNTdKXDnG38xO8+MeFCyY+DIt+9pRK3/zjhCJ+GTDJ7nOj0Lnz3UYDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T08:50:10.954665Z","bundle_sha256":"e22ec0d8317147b845a44b1d93b1060ee7350aaa16c56502439155bf84709c92"}}