{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:JVDOYBMAYTMVYYDIYGME5WDVCB","short_pith_number":"pith:JVDOYBMA","canonical_record":{"source":{"id":"2112.02590","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2021-12-05T15:02:52Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"5dcd8afda0c0d4906e58c07fa5419809df048f0f0556b93ffdc3e54e422dcc43","abstract_canon_sha256":"430cd2068d0e0db17064ac36446e578f4fe8ae77899e63cf53c891e981d18f14"},"schema_version":"1.0"},"canonical_sha256":"4d46ec0580c4d95c6068c1984ed875107b2a2bd5109f3ef40054d608bcf668b8","source":{"kind":"arxiv","id":"2112.02590","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.02590","created_at":"2026-07-05T04:18:49Z"},{"alias_kind":"arxiv_version","alias_value":"2112.02590v3","created_at":"2026-07-05T04:18:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.02590","created_at":"2026-07-05T04:18:49Z"},{"alias_kind":"pith_short_12","alias_value":"JVDOYBMAYTMV","created_at":"2026-07-05T04:18:49Z"},{"alias_kind":"pith_short_16","alias_value":"JVDOYBMAYTMVYYDI","created_at":"2026-07-05T04:18:49Z"},{"alias_kind":"pith_short_8","alias_value":"JVDOYBMA","created_at":"2026-07-05T04:18:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:JVDOYBMAYTMVYYDIYGME5WDVCB","target":"record","payload":{"canonical_record":{"source":{"id":"2112.02590","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2021-12-05T15:02:52Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"5dcd8afda0c0d4906e58c07fa5419809df048f0f0556b93ffdc3e54e422dcc43","abstract_canon_sha256":"430cd2068d0e0db17064ac36446e578f4fe8ae77899e63cf53c891e981d18f14"},"schema_version":"1.0"},"canonical_sha256":"4d46ec0580c4d95c6068c1984ed875107b2a2bd5109f3ef40054d608bcf668b8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:18:49.853914Z","signature_b64":"L6t0uEeYG6T935blUN7nkJZe4RTdjUuOPsyfRHkhYXxhebJKQrM0v9rKA9UIKET7P4Csbs5WPD+QJ9ziq6x8Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4d46ec0580c4d95c6068c1984ed875107b2a2bd5109f3ef40054d608bcf668b8","last_reissued_at":"2026-07-05T04:18:49.853455Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:18:49.853455Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2112.02590","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:18:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fNbzrIhtG0BWF7lusZT3fnW2knv4VvoKw+36DFwfLOmiWN2r3YD9OK5N57hq7ZzCP+pV30KZ8+GtjbMoWKhNBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T22:01:05.125532Z"},"content_sha256":"95ff26ab9510b9d0999369d75a3d5ac5ef6a1ee06c6b605c322f00328164f2e4","schema_version":"1.0","event_id":"sha256:95ff26ab9510b9d0999369d75a3d5ac5ef6a1ee06c6b605c322f00328164f2e4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:JVDOYBMAYTMVYYDIYGME5WDVCB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Crystal Growth, Exfoliation and Magnetic Properties of Quaternary Quasi-Two-Dimensional CuCrP$_2$S$_6$","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"Anja U. B. Wolter, Bernd B\\\"uchner, Burak \\\"Ozer, Kranthi K. Bestha, Laura T. Corredor, Liviu Hozoi, Louis Veyrat, Pritam Bhattacharyya, Saicharan Aswartham, Sebastian Selter, Yuliia Shemerliuk","submitted_at":"2021-12-05T15:02:52Z","abstract_excerpt":"We report optimized crystal growth conditions for the quaternary compound CuCrP$_2$S$_6$ by chemical vapor transport. Compositional and structural characterization of the obtained crystals were carried out by means of energy-dispersive X-ray spectroscopy and powder X-ray diffraction. CuCrP$_2$S$_6$ is structurally closely related to the $M_2$P$_2$S$_6$ family ($M$: transition metal), which contains several compounds that are under investigation as 2D magnets. As-grown crystals exhibit a plate-like, layered morphology as well as a hexagonal habitus. We present successful exfoliation of such as-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.02590","kind":"arxiv","version":3},"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/2112.02590/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":"2026-07-05T04:18:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s87loeD487vrkJSwynzXYZx+OKoi4sc6Mg0bKPxMk5yhcz8aGmZERj1zQxdhzDRwuqMiT2VkD137mY7jGBuADw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T22:01:05.126219Z"},"content_sha256":"0a81d3cdbc30d11106ce4dc4bea5088ddf65a0c47cacd98068e5270667e0170f","schema_version":"1.0","event_id":"sha256:0a81d3cdbc30d11106ce4dc4bea5088ddf65a0c47cacd98068e5270667e0170f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JVDOYBMAYTMVYYDIYGME5WDVCB/bundle.json","state_url":"https://pith.science/pith/JVDOYBMAYTMVYYDIYGME5WDVCB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JVDOYBMAYTMVYYDIYGME5WDVCB/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":"2026-08-05T22:01:05Z","links":{"resolver":"https://pith.science/pith/JVDOYBMAYTMVYYDIYGME5WDVCB","bundle":"https://pith.science/pith/JVDOYBMAYTMVYYDIYGME5WDVCB/bundle.json","state":"https://pith.science/pith/JVDOYBMAYTMVYYDIYGME5WDVCB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JVDOYBMAYTMVYYDIYGME5WDVCB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:JVDOYBMAYTMVYYDIYGME5WDVCB","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":"430cd2068d0e0db17064ac36446e578f4fe8ae77899e63cf53c891e981d18f14","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2021-12-05T15:02:52Z","title_canon_sha256":"5dcd8afda0c0d4906e58c07fa5419809df048f0f0556b93ffdc3e54e422dcc43"},"schema_version":"1.0","source":{"id":"2112.02590","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.02590","created_at":"2026-07-05T04:18:49Z"},{"alias_kind":"arxiv_version","alias_value":"2112.02590v3","created_at":"2026-07-05T04:18:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.02590","created_at":"2026-07-05T04:18:49Z"},{"alias_kind":"pith_short_12","alias_value":"JVDOYBMAYTMV","created_at":"2026-07-05T04:18:49Z"},{"alias_kind":"pith_short_16","alias_value":"JVDOYBMAYTMVYYDI","created_at":"2026-07-05T04:18:49Z"},{"alias_kind":"pith_short_8","alias_value":"JVDOYBMA","created_at":"2026-07-05T04:18:49Z"}],"graph_snapshots":[{"event_id":"sha256:0a81d3cdbc30d11106ce4dc4bea5088ddf65a0c47cacd98068e5270667e0170f","target":"graph","created_at":"2026-07-05T04:18:49Z","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/2112.02590/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report optimized crystal growth conditions for the quaternary compound CuCrP$_2$S$_6$ by chemical vapor transport. Compositional and structural characterization of the obtained crystals were carried out by means of energy-dispersive X-ray spectroscopy and powder X-ray diffraction. CuCrP$_2$S$_6$ is structurally closely related to the $M_2$P$_2$S$_6$ family ($M$: transition metal), which contains several compounds that are under investigation as 2D magnets. As-grown crystals exhibit a plate-like, layered morphology as well as a hexagonal habitus. We present successful exfoliation of such as-","authors_text":"Anja U. B. Wolter, Bernd B\\\"uchner, Burak \\\"Ozer, Kranthi K. Bestha, Laura T. Corredor, Liviu Hozoi, Louis Veyrat, Pritam Bhattacharyya, Saicharan Aswartham, Sebastian Selter, Yuliia Shemerliuk","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2021-12-05T15:02:52Z","title":"Crystal Growth, Exfoliation and Magnetic Properties of Quaternary Quasi-Two-Dimensional CuCrP$_2$S$_6$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.02590","kind":"arxiv","version":3},"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":"sha256:95ff26ab9510b9d0999369d75a3d5ac5ef6a1ee06c6b605c322f00328164f2e4","target":"record","created_at":"2026-07-05T04:18:49Z","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":"430cd2068d0e0db17064ac36446e578f4fe8ae77899e63cf53c891e981d18f14","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2021-12-05T15:02:52Z","title_canon_sha256":"5dcd8afda0c0d4906e58c07fa5419809df048f0f0556b93ffdc3e54e422dcc43"},"schema_version":"1.0","source":{"id":"2112.02590","kind":"arxiv","version":3}},"canonical_sha256":"4d46ec0580c4d95c6068c1984ed875107b2a2bd5109f3ef40054d608bcf668b8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4d46ec0580c4d95c6068c1984ed875107b2a2bd5109f3ef40054d608bcf668b8","first_computed_at":"2026-07-05T04:18:49.853455Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:18:49.853455Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"L6t0uEeYG6T935blUN7nkJZe4RTdjUuOPsyfRHkhYXxhebJKQrM0v9rKA9UIKET7P4Csbs5WPD+QJ9ziq6x8Cw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:18:49.853914Z","signed_message":"canonical_sha256_bytes"},"source_id":"2112.02590","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:95ff26ab9510b9d0999369d75a3d5ac5ef6a1ee06c6b605c322f00328164f2e4","sha256:0a81d3cdbc30d11106ce4dc4bea5088ddf65a0c47cacd98068e5270667e0170f"],"state_sha256":"33cbc2e924f8c3d869b22b7118eedbc04118b28385d706eb5f4341e1ae5b9cd5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vZRr9KFK+U7+n7QOj6jdfh2SNE0ed3/cbt9176XEObToKNF7o4ANZXf6JztboFX9NQTv+GRQe5sb4RndPCoAAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T22:01:05.131917Z","bundle_sha256":"8f9b6ffaef1d7220e43ee43459c6b5a2912ccf1dfed267f9d36e6b93c46bee37"}}