{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:HLVHQULOTRARX2IV4TNGDUC2BH","short_pith_number":"pith:HLVHQULO","canonical_record":{"source":{"id":"2012.06996","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-12-13T08:02:32Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"6daf218331da02d9a2173d8808c1eb47cb2d8324de5fd21c92efabfc1d95dee2","abstract_canon_sha256":"9b79137b783b4aa5e3eece7e4d9b6b6b1afb2a7bf04c3feb3f9454e2e27bf5ae"},"schema_version":"1.0"},"canonical_sha256":"3aea78516e9c411be915e4da61d05a09e586dd34cdca1c7de85d6d7947202be9","source":{"kind":"arxiv","id":"2012.06996","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.06996","created_at":"2026-07-05T05:52:49Z"},{"alias_kind":"arxiv_version","alias_value":"2012.06996v2","created_at":"2026-07-05T05:52:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.06996","created_at":"2026-07-05T05:52:49Z"},{"alias_kind":"pith_short_12","alias_value":"HLVHQULOTRAR","created_at":"2026-07-05T05:52:49Z"},{"alias_kind":"pith_short_16","alias_value":"HLVHQULOTRARX2IV","created_at":"2026-07-05T05:52:49Z"},{"alias_kind":"pith_short_8","alias_value":"HLVHQULO","created_at":"2026-07-05T05:52:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:HLVHQULOTRARX2IV4TNGDUC2BH","target":"record","payload":{"canonical_record":{"source":{"id":"2012.06996","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-12-13T08:02:32Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"6daf218331da02d9a2173d8808c1eb47cb2d8324de5fd21c92efabfc1d95dee2","abstract_canon_sha256":"9b79137b783b4aa5e3eece7e4d9b6b6b1afb2a7bf04c3feb3f9454e2e27bf5ae"},"schema_version":"1.0"},"canonical_sha256":"3aea78516e9c411be915e4da61d05a09e586dd34cdca1c7de85d6d7947202be9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:52:49.386159Z","signature_b64":"w1nsO0vMaKWPKIvpeO0hqN2jLDUaer4mcL61aM7pFAr7/Y1VFbnUkfLfYRTcsUQqtUuK/kZhcOWyOz8wbTfsBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3aea78516e9c411be915e4da61d05a09e586dd34cdca1c7de85d6d7947202be9","last_reissued_at":"2026-07-05T05:52:49.385797Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:52:49.385797Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.06996","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:52:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RqXZEBmqeD1lLc5XbGQJQuFYUOIhYBULAFjO5d9Oq0yWW2RPpOS7q8uv6aYdNbteA16ZUVhOd/a1hfORnvGXDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T00:12:49.952655Z"},"content_sha256":"4a41949a127865d0cf0c7bb5f612db86a602d55417b0037e0ac1878208e6a98b","schema_version":"1.0","event_id":"sha256:4a41949a127865d0cf0c7bb5f612db86a602d55417b0037e0ac1878208e6a98b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:HLVHQULOTRARX2IV4TNGDUC2BH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Momentum-space signatures of Berry flux monopoles in a Weyl semimetal","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"B. Geldiyev, D. Di Sante, F. Diekmann, F. Reinert, G. Sangiovanni, H. Bentmann, J. Buck, J. N. Neu, K. Rossnagel, M. Hoesch, M. Kall\\\"ane, M. \\\"Unzelmann, P. Eck, R. Thomale, S. Rohlf, T. Figgemeier, T. Siegrist","submitted_at":"2020-12-13T08:02:32Z","abstract_excerpt":"Since the early days of Dirac flux quantization, magnetic monopoles have been sought after as a potential corollary of quantized electric charge. As opposed to magnetic monopoles embedded into the theory of electromagnetism, Weyl crystals exhibit Berry flux monopoles in reciprocal parameter space. As a function of crystal momentum, such monopoles locate at the degeneracy point of the Weyl cone. Here, we report momentum-resolved spectroscopic signatures of Berry flux monopoles in TaAs as a paradigmatic Weyl semimetal. We have probed the orbital and spin angular momentum (OAM and SAM) of the Wey"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.06996","kind":"arxiv","version":2},"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/2012.06996/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":"2026-07-05T05:52:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h+InlRgOwZwwArToETdvY/ldARk9lSN8hSkwhonRnLVikux/0dGvaIPDQL4VIvQqjnAE44eZFnXMZaZ8946fAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T00:12:49.953255Z"},"content_sha256":"0a6a966ffe89731ad81afb21d9612fa22408b51800a5ce3d716fbb52f3243952","schema_version":"1.0","event_id":"sha256:0a6a966ffe89731ad81afb21d9612fa22408b51800a5ce3d716fbb52f3243952"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HLVHQULOTRARX2IV4TNGDUC2BH/bundle.json","state_url":"https://pith.science/pith/HLVHQULOTRARX2IV4TNGDUC2BH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HLVHQULOTRARX2IV4TNGDUC2BH/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":"2026-08-21T00:12:49Z","links":{"resolver":"https://pith.science/pith/HLVHQULOTRARX2IV4TNGDUC2BH","bundle":"https://pith.science/pith/HLVHQULOTRARX2IV4TNGDUC2BH/bundle.json","state":"https://pith.science/pith/HLVHQULOTRARX2IV4TNGDUC2BH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HLVHQULOTRARX2IV4TNGDUC2BH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:HLVHQULOTRARX2IV4TNGDUC2BH","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":"9b79137b783b4aa5e3eece7e4d9b6b6b1afb2a7bf04c3feb3f9454e2e27bf5ae","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-12-13T08:02:32Z","title_canon_sha256":"6daf218331da02d9a2173d8808c1eb47cb2d8324de5fd21c92efabfc1d95dee2"},"schema_version":"1.0","source":{"id":"2012.06996","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.06996","created_at":"2026-07-05T05:52:49Z"},{"alias_kind":"arxiv_version","alias_value":"2012.06996v2","created_at":"2026-07-05T05:52:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.06996","created_at":"2026-07-05T05:52:49Z"},{"alias_kind":"pith_short_12","alias_value":"HLVHQULOTRAR","created_at":"2026-07-05T05:52:49Z"},{"alias_kind":"pith_short_16","alias_value":"HLVHQULOTRARX2IV","created_at":"2026-07-05T05:52:49Z"},{"alias_kind":"pith_short_8","alias_value":"HLVHQULO","created_at":"2026-07-05T05:52:49Z"}],"graph_snapshots":[{"event_id":"sha256:0a6a966ffe89731ad81afb21d9612fa22408b51800a5ce3d716fbb52f3243952","target":"graph","created_at":"2026-07-05T05:52:49Z","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/2012.06996/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Since the early days of Dirac flux quantization, magnetic monopoles have been sought after as a potential corollary of quantized electric charge. As opposed to magnetic monopoles embedded into the theory of electromagnetism, Weyl crystals exhibit Berry flux monopoles in reciprocal parameter space. As a function of crystal momentum, such monopoles locate at the degeneracy point of the Weyl cone. Here, we report momentum-resolved spectroscopic signatures of Berry flux monopoles in TaAs as a paradigmatic Weyl semimetal. We have probed the orbital and spin angular momentum (OAM and SAM) of the Wey","authors_text":"B. Geldiyev, D. Di Sante, F. Diekmann, F. Reinert, G. Sangiovanni, H. Bentmann, J. Buck, J. N. Neu, K. Rossnagel, M. Hoesch, M. Kall\\\"ane, M. \\\"Unzelmann, P. Eck, R. Thomale, S. Rohlf, T. Figgemeier, T. Siegrist","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-12-13T08:02:32Z","title":"Momentum-space signatures of Berry flux monopoles in a Weyl semimetal"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.06996","kind":"arxiv","version":2},"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":"sha256:4a41949a127865d0cf0c7bb5f612db86a602d55417b0037e0ac1878208e6a98b","target":"record","created_at":"2026-07-05T05:52:49Z","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":"9b79137b783b4aa5e3eece7e4d9b6b6b1afb2a7bf04c3feb3f9454e2e27bf5ae","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-12-13T08:02:32Z","title_canon_sha256":"6daf218331da02d9a2173d8808c1eb47cb2d8324de5fd21c92efabfc1d95dee2"},"schema_version":"1.0","source":{"id":"2012.06996","kind":"arxiv","version":2}},"canonical_sha256":"3aea78516e9c411be915e4da61d05a09e586dd34cdca1c7de85d6d7947202be9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3aea78516e9c411be915e4da61d05a09e586dd34cdca1c7de85d6d7947202be9","first_computed_at":"2026-07-05T05:52:49.385797Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:52:49.385797Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"w1nsO0vMaKWPKIvpeO0hqN2jLDUaer4mcL61aM7pFAr7/Y1VFbnUkfLfYRTcsUQqtUuK/kZhcOWyOz8wbTfsBg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:52:49.386159Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.06996","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4a41949a127865d0cf0c7bb5f612db86a602d55417b0037e0ac1878208e6a98b","sha256:0a6a966ffe89731ad81afb21d9612fa22408b51800a5ce3d716fbb52f3243952"],"state_sha256":"369dbeb030f0d539cae4c1da70d5948dad4922b9078ce135b0644b188eb5b8e8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qBIJstVL6isBMAPctMdl5rzmY0m9XuPZU2tJYrnnhuMYhXExnLUwS5ue3khJUNZ2sHS/h9k301SHNxiagRTrCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T00:12:49.957578Z","bundle_sha256":"883c162a7113639a5d2646b446639ae48853987ef6e35e760d68e3fbe31ebd7e"}}