{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:AGQF6QOGSCTCIY7MNARVVP272Z","short_pith_number":"pith:AGQF6QOG","canonical_record":{"source":{"id":"1712.02853","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-12-07T20:13:26Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"242755f8f844fcdf2e2dbaa552396072ba6b33e54e6ff9044ad5a8bc8b1401d9","abstract_canon_sha256":"2ab503625b9eb6fcd970e05c954d50085b5cba4137834c52423d3c8dcfbeeb0f"},"schema_version":"1.0"},"canonical_sha256":"01a05f41c690a62463ec68235abf5fd669972c62273e875d0bb5ed2654189049","source":{"kind":"arxiv","id":"1712.02853","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.02853","created_at":"2026-05-18T00:10:28Z"},{"alias_kind":"arxiv_version","alias_value":"1712.02853v1","created_at":"2026-05-18T00:10:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.02853","created_at":"2026-05-18T00:10:28Z"},{"alias_kind":"pith_short_12","alias_value":"AGQF6QOGSCTC","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"AGQF6QOGSCTCIY7M","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"AGQF6QOG","created_at":"2026-05-18T12:31:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:AGQF6QOGSCTCIY7MNARVVP272Z","target":"record","payload":{"canonical_record":{"source":{"id":"1712.02853","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-12-07T20:13:26Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"242755f8f844fcdf2e2dbaa552396072ba6b33e54e6ff9044ad5a8bc8b1401d9","abstract_canon_sha256":"2ab503625b9eb6fcd970e05c954d50085b5cba4137834c52423d3c8dcfbeeb0f"},"schema_version":"1.0"},"canonical_sha256":"01a05f41c690a62463ec68235abf5fd669972c62273e875d0bb5ed2654189049","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:10:28.307477Z","signature_b64":"t6rBUhlADQpvrVcZ5/TrknbLU8V/bHzUmKe8Atd45CbkiRIYwEpC5mcx31O9kg3LB0IEO/F0agkr0xMlNC9mCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"01a05f41c690a62463ec68235abf5fd669972c62273e875d0bb5ed2654189049","last_reissued_at":"2026-05-18T00:10:28.306534Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:10:28.306534Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.02853","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":"2026-05-18T00:10:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+vYA2lMPsOlefBn+OCG9WZey65JDSJ+E4/rip9/JJNxEKTeRY2SA7OfjfzVw2v46IzvrpeKkARjriO/ascLaDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T01:14:04.530202Z"},"content_sha256":"efe775a30b5b35c6fcadce5760a1bfa672658e106f63eb0f9a2dd38887b958c1","schema_version":"1.0","event_id":"sha256:efe775a30b5b35c6fcadce5760a1bfa672658e106f63eb0f9a2dd38887b958c1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:AGQF6QOGSCTCIY7MNARVVP272Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Orphan spins and bound in-gap states in the $S={5\\over2}$ antiferromagnet CaFe$_{2}$O$_{4}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Ch. Niedermayer, C. Stock, E. E. Rodriguez, F. Demmel, J. A. Rodriguez-Rivera, J. W. Kim, K. Nemkovski, L. Zhang, M A. Green, M. Laver, N. Lee, P. Fouquet, S. -W. Cheong, Y. Su","submitted_at":"2017-12-07T20:13:26Z","abstract_excerpt":"CaFe$_{2}$O$_{4}$ is an anisotropic $S={5\\over 2}$ antiferromagnet with two competing $A$ ($\\uparrow \\uparrow \\downarrow \\downarrow$) and $B$ ($\\uparrow \\downarrow \\uparrow \\downarrow$) magnetic order parameters separated by static antiphase boundaries at low temperatures. Neutron diffraction and bulk susceptibility measurements, show that the spins near these boundaries are weakly correlated and a carry an uncompensated ferromagnetic moment that can be tuned with a magnetic field. Spectroscopic measurements find these spins are bound with excitation energies less than the bulk magnetic spin-w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.02853","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":"2026-05-18T00:10:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bBHB8P7jJL/JOBRDLAzIc18Luej2qYJw3frLpKto+0U00jCu/n1UShKSJFNIQZwW8iSYXNUfSEs1LIjCCktbCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T01:14:04.530846Z"},"content_sha256":"d3b594b9cf12f7d3fe65501d98987c58fb4c7206448e3b45394d56996b18991b","schema_version":"1.0","event_id":"sha256:d3b594b9cf12f7d3fe65501d98987c58fb4c7206448e3b45394d56996b18991b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AGQF6QOGSCTCIY7MNARVVP272Z/bundle.json","state_url":"https://pith.science/pith/AGQF6QOGSCTCIY7MNARVVP272Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AGQF6QOGSCTCIY7MNARVVP272Z/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":"2026-05-31T01:14:04Z","links":{"resolver":"https://pith.science/pith/AGQF6QOGSCTCIY7MNARVVP272Z","bundle":"https://pith.science/pith/AGQF6QOGSCTCIY7MNARVVP272Z/bundle.json","state":"https://pith.science/pith/AGQF6QOGSCTCIY7MNARVVP272Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AGQF6QOGSCTCIY7MNARVVP272Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:AGQF6QOGSCTCIY7MNARVVP272Z","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":"2ab503625b9eb6fcd970e05c954d50085b5cba4137834c52423d3c8dcfbeeb0f","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-12-07T20:13:26Z","title_canon_sha256":"242755f8f844fcdf2e2dbaa552396072ba6b33e54e6ff9044ad5a8bc8b1401d9"},"schema_version":"1.0","source":{"id":"1712.02853","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.02853","created_at":"2026-05-18T00:10:28Z"},{"alias_kind":"arxiv_version","alias_value":"1712.02853v1","created_at":"2026-05-18T00:10:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.02853","created_at":"2026-05-18T00:10:28Z"},{"alias_kind":"pith_short_12","alias_value":"AGQF6QOGSCTC","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"AGQF6QOGSCTCIY7M","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"AGQF6QOG","created_at":"2026-05-18T12:31:05Z"}],"graph_snapshots":[{"event_id":"sha256:d3b594b9cf12f7d3fe65501d98987c58fb4c7206448e3b45394d56996b18991b","target":"graph","created_at":"2026-05-18T00:10:28Z","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":"CaFe$_{2}$O$_{4}$ is an anisotropic $S={5\\over 2}$ antiferromagnet with two competing $A$ ($\\uparrow \\uparrow \\downarrow \\downarrow$) and $B$ ($\\uparrow \\downarrow \\uparrow \\downarrow$) magnetic order parameters separated by static antiphase boundaries at low temperatures. Neutron diffraction and bulk susceptibility measurements, show that the spins near these boundaries are weakly correlated and a carry an uncompensated ferromagnetic moment that can be tuned with a magnetic field. Spectroscopic measurements find these spins are bound with excitation energies less than the bulk magnetic spin-w","authors_text":"Ch. Niedermayer, C. Stock, E. E. Rodriguez, F. Demmel, J. A. Rodriguez-Rivera, J. W. Kim, K. Nemkovski, L. Zhang, M A. Green, M. Laver, N. Lee, P. Fouquet, S. -W. Cheong, Y. Su","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-12-07T20:13:26Z","title":"Orphan spins and bound in-gap states in the $S={5\\over2}$ antiferromagnet CaFe$_{2}$O$_{4}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.02853","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:efe775a30b5b35c6fcadce5760a1bfa672658e106f63eb0f9a2dd38887b958c1","target":"record","created_at":"2026-05-18T00:10:28Z","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":"2ab503625b9eb6fcd970e05c954d50085b5cba4137834c52423d3c8dcfbeeb0f","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-12-07T20:13:26Z","title_canon_sha256":"242755f8f844fcdf2e2dbaa552396072ba6b33e54e6ff9044ad5a8bc8b1401d9"},"schema_version":"1.0","source":{"id":"1712.02853","kind":"arxiv","version":1}},"canonical_sha256":"01a05f41c690a62463ec68235abf5fd669972c62273e875d0bb5ed2654189049","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"01a05f41c690a62463ec68235abf5fd669972c62273e875d0bb5ed2654189049","first_computed_at":"2026-05-18T00:10:28.306534Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:10:28.306534Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"t6rBUhlADQpvrVcZ5/TrknbLU8V/bHzUmKe8Atd45CbkiRIYwEpC5mcx31O9kg3LB0IEO/F0agkr0xMlNC9mCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:10:28.307477Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.02853","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:efe775a30b5b35c6fcadce5760a1bfa672658e106f63eb0f9a2dd38887b958c1","sha256:d3b594b9cf12f7d3fe65501d98987c58fb4c7206448e3b45394d56996b18991b"],"state_sha256":"926659d62cb904278753e9aab4a3e62a5b6f71bd95c28dd2a69e17e17c051256"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pLHkH7usPZwDTSVCerM8EMU3uh5JhTPjJCM5oxHWDQkOEXRznIH8LnsKdvPKShz7UbnZYxP1B+8yYbSRTRElBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T01:14:04.533854Z","bundle_sha256":"8997dfef9706e14647fe0334cbe389d7f1c61fcea1739fa022ab753880364739"}}