{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:CDA4Z2O6CLLENCVSLEROOGMWAR","short_pith_number":"pith:CDA4Z2O6","canonical_record":{"source":{"id":"2108.05913","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-08-12T18:29:52Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"9540e8304ba6e6b05d4ea988fd4efe3754c53097d8c2d601c040c7cfe11fe9d0","abstract_canon_sha256":"4f84340cccd337c5e9f8fac3aa108b9ef3e0339c6264f49763380c97b8706c48"},"schema_version":"1.0"},"canonical_sha256":"10c1cce9de12d6468ab25922e71996044451492e283fbd3dd5c6a4cf8423899d","source":{"kind":"arxiv","id":"2108.05913","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.05913","created_at":"2026-07-05T06:30:00Z"},{"alias_kind":"arxiv_version","alias_value":"2108.05913v1","created_at":"2026-07-05T06:30:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.05913","created_at":"2026-07-05T06:30:00Z"},{"alias_kind":"pith_short_12","alias_value":"CDA4Z2O6CLLE","created_at":"2026-07-05T06:30:00Z"},{"alias_kind":"pith_short_16","alias_value":"CDA4Z2O6CLLENCVS","created_at":"2026-07-05T06:30:00Z"},{"alias_kind":"pith_short_8","alias_value":"CDA4Z2O6","created_at":"2026-07-05T06:30:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:CDA4Z2O6CLLENCVSLEROOGMWAR","target":"record","payload":{"canonical_record":{"source":{"id":"2108.05913","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-08-12T18:29:52Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"9540e8304ba6e6b05d4ea988fd4efe3754c53097d8c2d601c040c7cfe11fe9d0","abstract_canon_sha256":"4f84340cccd337c5e9f8fac3aa108b9ef3e0339c6264f49763380c97b8706c48"},"schema_version":"1.0"},"canonical_sha256":"10c1cce9de12d6468ab25922e71996044451492e283fbd3dd5c6a4cf8423899d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:30:00.116106Z","signature_b64":"DQuj1w4VoIt5aCc03IdHIuLkeR945c8FbC71tBQLnBipOdCeU3Lt4mcRxZxLbeXc1Hh5y9tKG1bfnZ0+IoQFDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"10c1cce9de12d6468ab25922e71996044451492e283fbd3dd5c6a4cf8423899d","last_reissued_at":"2026-07-05T06:30:00.115669Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:30:00.115669Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2108.05913","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":"2026-07-05T06:30:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4bAl/nt8uLYR1KVmHhTUDQZkQ5+nKy+Bk18ARjxoQUDkHy7FPxQLcjBH8dl0e6Z1LSdMjWZi1gwLRF7uh58VBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T17:13:11.672003Z"},"content_sha256":"4d6842a230fe0af4f7385177d9f63b690768b0e71341c7072ff365dc04c81ad4","schema_version":"1.0","event_id":"sha256:4d6842a230fe0af4f7385177d9f63b690768b0e71341c7072ff365dc04c81ad4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:CDA4Z2O6CLLENCVSLEROOGMWAR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Structure-selective operando x-ray spectroscopy","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Andrej Singer, Daniel Weinstock, Hayley S. Hirsh, Jacob P. C. Ruff, Jason Huang, Minghao Zhang, Oleg Yu. Gorobtsov, Ryan Bouck, Y. Shirley Meng","submitted_at":"2021-08-12T18:29:52Z","abstract_excerpt":"The relationship between charge and structure dictates the properties of electrochemical systems. For example, reversible Na-ion intercalation - a low-cost alternative to Li-ion technology - often induces detrimental structural phase transformations coupled with charge compensation reactions. However, little is known about the underpinning charge-structure mechanisms because the reduction-oxidation (redox) reactions within coexisting structural phases have so far eluded direct operando investigation. Here, we distinguish x-ray spectra of individual crystalline phases operando during a redox-in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.05913","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/2108.05913/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":"2026-07-05T06:30:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lnV7tVol70SzG3P064pXyLzZfeHPVLd2b9yDkojLp35BNp0uilWvBk3yYm6n6hzYo+qJfdqC6xxxNaO+KhqBAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T17:13:11.672398Z"},"content_sha256":"6b0886128e692947627f7927214e979b4d85589b50172be71069bc9832bf8848","schema_version":"1.0","event_id":"sha256:6b0886128e692947627f7927214e979b4d85589b50172be71069bc9832bf8848"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CDA4Z2O6CLLENCVSLEROOGMWAR/bundle.json","state_url":"https://pith.science/pith/CDA4Z2O6CLLENCVSLEROOGMWAR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CDA4Z2O6CLLENCVSLEROOGMWAR/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":"2026-07-06T17:13:11Z","links":{"resolver":"https://pith.science/pith/CDA4Z2O6CLLENCVSLEROOGMWAR","bundle":"https://pith.science/pith/CDA4Z2O6CLLENCVSLEROOGMWAR/bundle.json","state":"https://pith.science/pith/CDA4Z2O6CLLENCVSLEROOGMWAR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CDA4Z2O6CLLENCVSLEROOGMWAR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:CDA4Z2O6CLLENCVSLEROOGMWAR","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":"4f84340cccd337c5e9f8fac3aa108b9ef3e0339c6264f49763380c97b8706c48","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-08-12T18:29:52Z","title_canon_sha256":"9540e8304ba6e6b05d4ea988fd4efe3754c53097d8c2d601c040c7cfe11fe9d0"},"schema_version":"1.0","source":{"id":"2108.05913","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.05913","created_at":"2026-07-05T06:30:00Z"},{"alias_kind":"arxiv_version","alias_value":"2108.05913v1","created_at":"2026-07-05T06:30:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.05913","created_at":"2026-07-05T06:30:00Z"},{"alias_kind":"pith_short_12","alias_value":"CDA4Z2O6CLLE","created_at":"2026-07-05T06:30:00Z"},{"alias_kind":"pith_short_16","alias_value":"CDA4Z2O6CLLENCVS","created_at":"2026-07-05T06:30:00Z"},{"alias_kind":"pith_short_8","alias_value":"CDA4Z2O6","created_at":"2026-07-05T06:30:00Z"}],"graph_snapshots":[{"event_id":"sha256:6b0886128e692947627f7927214e979b4d85589b50172be71069bc9832bf8848","target":"graph","created_at":"2026-07-05T06:30:00Z","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/2108.05913/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The relationship between charge and structure dictates the properties of electrochemical systems. For example, reversible Na-ion intercalation - a low-cost alternative to Li-ion technology - often induces detrimental structural phase transformations coupled with charge compensation reactions. However, little is known about the underpinning charge-structure mechanisms because the reduction-oxidation (redox) reactions within coexisting structural phases have so far eluded direct operando investigation. Here, we distinguish x-ray spectra of individual crystalline phases operando during a redox-in","authors_text":"Andrej Singer, Daniel Weinstock, Hayley S. Hirsh, Jacob P. C. Ruff, Jason Huang, Minghao Zhang, Oleg Yu. Gorobtsov, Ryan Bouck, Y. Shirley Meng","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-08-12T18:29:52Z","title":"Structure-selective operando x-ray spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.05913","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":"sha256:4d6842a230fe0af4f7385177d9f63b690768b0e71341c7072ff365dc04c81ad4","target":"record","created_at":"2026-07-05T06:30:00Z","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":"4f84340cccd337c5e9f8fac3aa108b9ef3e0339c6264f49763380c97b8706c48","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-08-12T18:29:52Z","title_canon_sha256":"9540e8304ba6e6b05d4ea988fd4efe3754c53097d8c2d601c040c7cfe11fe9d0"},"schema_version":"1.0","source":{"id":"2108.05913","kind":"arxiv","version":1}},"canonical_sha256":"10c1cce9de12d6468ab25922e71996044451492e283fbd3dd5c6a4cf8423899d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"10c1cce9de12d6468ab25922e71996044451492e283fbd3dd5c6a4cf8423899d","first_computed_at":"2026-07-05T06:30:00.115669Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:30:00.115669Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DQuj1w4VoIt5aCc03IdHIuLkeR945c8FbC71tBQLnBipOdCeU3Lt4mcRxZxLbeXc1Hh5y9tKG1bfnZ0+IoQFDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:30:00.116106Z","signed_message":"canonical_sha256_bytes"},"source_id":"2108.05913","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4d6842a230fe0af4f7385177d9f63b690768b0e71341c7072ff365dc04c81ad4","sha256:6b0886128e692947627f7927214e979b4d85589b50172be71069bc9832bf8848"],"state_sha256":"aed634cb7d50d13e69620b6f73de515faca5c7823e95548166b4f6b91da8c859"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4htw0bF/PqoxzWjjUc2ir+m4pq6fBLwxjJCj26SJedMfUsb6VardRkSZbLp0+V/m24YUDh2fSRfQK++wRoP7Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T17:13:11.674359Z","bundle_sha256":"3f1d68fe10c986ad420523e0db3bc1ce5345330f76114e60e0bdc15c63258c53"}}