{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:J7D7IUSENQ3TDFA4EZBJ5UX5RH","short_pith_number":"pith:J7D7IUSE","canonical_record":{"source":{"id":"2012.05702","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2020-12-10T14:35:21Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.other"],"title_canon_sha256":"622f85375cca43cc110d417053d5560013d53d730c69e8f4c1d3af7dda0f1a42","abstract_canon_sha256":"6fb2bbeeadeb253ab89e59d7daebfc2eb0648079910fb77349c48369767892e1"},"schema_version":"1.0"},"canonical_sha256":"4fc7f452446c3731941c26429ed2fd89fe3e6e58d3d1b888738632c58bd22ed7","source":{"kind":"arxiv","id":"2012.05702","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.05702","created_at":"2026-07-05T02:29:38Z"},{"alias_kind":"arxiv_version","alias_value":"2012.05702v1","created_at":"2026-07-05T02:29:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.05702","created_at":"2026-07-05T02:29:38Z"},{"alias_kind":"pith_short_12","alias_value":"J7D7IUSENQ3T","created_at":"2026-07-05T02:29:38Z"},{"alias_kind":"pith_short_16","alias_value":"J7D7IUSENQ3TDFA4","created_at":"2026-07-05T02:29:38Z"},{"alias_kind":"pith_short_8","alias_value":"J7D7IUSE","created_at":"2026-07-05T02:29:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:J7D7IUSENQ3TDFA4EZBJ5UX5RH","target":"record","payload":{"canonical_record":{"source":{"id":"2012.05702","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2020-12-10T14:35:21Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.other"],"title_canon_sha256":"622f85375cca43cc110d417053d5560013d53d730c69e8f4c1d3af7dda0f1a42","abstract_canon_sha256":"6fb2bbeeadeb253ab89e59d7daebfc2eb0648079910fb77349c48369767892e1"},"schema_version":"1.0"},"canonical_sha256":"4fc7f452446c3731941c26429ed2fd89fe3e6e58d3d1b888738632c58bd22ed7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:29:38.609572Z","signature_b64":"825IVSa5EUlt4rHlmbDuPmSmrE+Wtq8aTbnhnDeYGPcYQ86n4xIOIop/jmkUTsbggjWHaN/arEuTvipa3qEVAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4fc7f452446c3731941c26429ed2fd89fe3e6e58d3d1b888738632c58bd22ed7","last_reissued_at":"2026-07-05T02:29:38.608942Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:29:38.608942Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.05702","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":"2026-07-05T02:29:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"78nx85MfbHYeWmBV6UrT7HA3PLWA9x7Ytzh7MFDB8moRZeo0IPC8LUfiAIBXgISw+C7CAWGk1cvUwXHqn9FGCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T06:36:47.698191Z"},"content_sha256":"8e3e2695a0b798fd935d736c1b8df995305aaa93b91d24d042c0617e18455922","schema_version":"1.0","event_id":"sha256:8e3e2695a0b798fd935d736c1b8df995305aaa93b91d24d042c0617e18455922"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:J7D7IUSENQ3TDFA4EZBJ5UX5RH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exceptional Dirac states in a non-centrosymmetric superconductor, BiPd","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.other"],"primary_cat":"cond-mat.supr-con","authors_text":"Alexander Generalov, Arindam Pramanik, Asish K. Kundu, A. Thamizhavel, Bhanu Joshi, Carlo Carbone, D. V. Vyalikh, Kalobaran Maiti, Paolo Moras, Polina M. Sheverdyaeva, Ram Prakash Pandeya, S. Ramakrishnan","submitted_at":"2020-12-10T14:35:21Z","abstract_excerpt":"Quantum materials having Dirac fermions in conjunction with superconductivity is believed to be the candidate materials to realize exotic physics as well as advanced technology. Angle resolved photoemission spectroscopy (ARPES), a direct probe of the electronic structure, has been extensively used to study these materials. However, experiments often exhibit conflicting results on dimensionality and momentum of the Dirac Fermions (e.g. Dirac states in BiPd, a novel non-centrosymmetric superconductor), which is crucial for the determination of the symmetry, time-reversal invariant momenta and ot"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.05702","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/2012.05702/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":"2026-07-05T02:29:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lNOUUhILgaS1Mt9cVkp7weY7JEHBPg1Td0c1/bnbdco2mFQ0ex0a5/cGJbrhpkv4ueAfUoJOEnKdnOUfuiVdAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T06:36:47.698594Z"},"content_sha256":"aacce227440acadc4bd2209bb200baaa7c366c4f5abc77a0d201da6d752dd003","schema_version":"1.0","event_id":"sha256:aacce227440acadc4bd2209bb200baaa7c366c4f5abc77a0d201da6d752dd003"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J7D7IUSENQ3TDFA4EZBJ5UX5RH/bundle.json","state_url":"https://pith.science/pith/J7D7IUSENQ3TDFA4EZBJ5UX5RH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J7D7IUSENQ3TDFA4EZBJ5UX5RH/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":"2026-07-07T06:36:47Z","links":{"resolver":"https://pith.science/pith/J7D7IUSENQ3TDFA4EZBJ5UX5RH","bundle":"https://pith.science/pith/J7D7IUSENQ3TDFA4EZBJ5UX5RH/bundle.json","state":"https://pith.science/pith/J7D7IUSENQ3TDFA4EZBJ5UX5RH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J7D7IUSENQ3TDFA4EZBJ5UX5RH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:J7D7IUSENQ3TDFA4EZBJ5UX5RH","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":"6fb2bbeeadeb253ab89e59d7daebfc2eb0648079910fb77349c48369767892e1","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2020-12-10T14:35:21Z","title_canon_sha256":"622f85375cca43cc110d417053d5560013d53d730c69e8f4c1d3af7dda0f1a42"},"schema_version":"1.0","source":{"id":"2012.05702","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.05702","created_at":"2026-07-05T02:29:38Z"},{"alias_kind":"arxiv_version","alias_value":"2012.05702v1","created_at":"2026-07-05T02:29:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.05702","created_at":"2026-07-05T02:29:38Z"},{"alias_kind":"pith_short_12","alias_value":"J7D7IUSENQ3T","created_at":"2026-07-05T02:29:38Z"},{"alias_kind":"pith_short_16","alias_value":"J7D7IUSENQ3TDFA4","created_at":"2026-07-05T02:29:38Z"},{"alias_kind":"pith_short_8","alias_value":"J7D7IUSE","created_at":"2026-07-05T02:29:38Z"}],"graph_snapshots":[{"event_id":"sha256:aacce227440acadc4bd2209bb200baaa7c366c4f5abc77a0d201da6d752dd003","target":"graph","created_at":"2026-07-05T02:29:38Z","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/2012.05702/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quantum materials having Dirac fermions in conjunction with superconductivity is believed to be the candidate materials to realize exotic physics as well as advanced technology. Angle resolved photoemission spectroscopy (ARPES), a direct probe of the electronic structure, has been extensively used to study these materials. However, experiments often exhibit conflicting results on dimensionality and momentum of the Dirac Fermions (e.g. Dirac states in BiPd, a novel non-centrosymmetric superconductor), which is crucial for the determination of the symmetry, time-reversal invariant momenta and ot","authors_text":"Alexander Generalov, Arindam Pramanik, Asish K. Kundu, A. Thamizhavel, Bhanu Joshi, Carlo Carbone, D. V. Vyalikh, Kalobaran Maiti, Paolo Moras, Polina M. Sheverdyaeva, Ram Prakash Pandeya, S. Ramakrishnan","cross_cats":["cond-mat.mtrl-sci","cond-mat.other"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2020-12-10T14:35:21Z","title":"Exceptional Dirac states in a non-centrosymmetric superconductor, BiPd"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.05702","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":"sha256:8e3e2695a0b798fd935d736c1b8df995305aaa93b91d24d042c0617e18455922","target":"record","created_at":"2026-07-05T02:29:38Z","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":"6fb2bbeeadeb253ab89e59d7daebfc2eb0648079910fb77349c48369767892e1","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2020-12-10T14:35:21Z","title_canon_sha256":"622f85375cca43cc110d417053d5560013d53d730c69e8f4c1d3af7dda0f1a42"},"schema_version":"1.0","source":{"id":"2012.05702","kind":"arxiv","version":1}},"canonical_sha256":"4fc7f452446c3731941c26429ed2fd89fe3e6e58d3d1b888738632c58bd22ed7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4fc7f452446c3731941c26429ed2fd89fe3e6e58d3d1b888738632c58bd22ed7","first_computed_at":"2026-07-05T02:29:38.608942Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:29:38.608942Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"825IVSa5EUlt4rHlmbDuPmSmrE+Wtq8aTbnhnDeYGPcYQ86n4xIOIop/jmkUTsbggjWHaN/arEuTvipa3qEVAw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:29:38.609572Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.05702","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8e3e2695a0b798fd935d736c1b8df995305aaa93b91d24d042c0617e18455922","sha256:aacce227440acadc4bd2209bb200baaa7c366c4f5abc77a0d201da6d752dd003"],"state_sha256":"ad7eebb1341053d53a1ae4f631b5150726eb864684d08fbeedb6a077335f45ae"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"di4DvE9SXhxA8u0XeF6SSKKQug0uGNlzNQr9XjgQnmxvjN2W/7jNklUxdkghILT+82Et9iawEWTUT4vteca9CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T06:36:47.701335Z","bundle_sha256":"a57e987b93763a2adead170a9021dce72625dd8bf0443d48529564075748f9cd"}}