{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:SKV6CNFAJZ7WHLWSN5V44IE4GC","short_pith_number":"pith:SKV6CNFA","canonical_record":{"source":{"id":"2010.10164","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2020-10-20T09:56:27Z","cross_cats_sorted":[],"title_canon_sha256":"6e0d27b176ba0e6004d5d23eed61317441c46b6f77cec1748dbe8e8c0d7a68d0","abstract_canon_sha256":"63df09b61ff011cd25b80c2a78d2188758d3146d014bd699057b7a640211cd0d"},"schema_version":"1.0"},"canonical_sha256":"92abe134a04e7f63aed26f6bce209c30b67b00105e8c773ab03fe56ecc19da52","source":{"kind":"arxiv","id":"2010.10164","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.10164","created_at":"2026-07-05T01:44:51Z"},{"alias_kind":"arxiv_version","alias_value":"2010.10164v2","created_at":"2026-07-05T01:44:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.10164","created_at":"2026-07-05T01:44:51Z"},{"alias_kind":"pith_short_12","alias_value":"SKV6CNFAJZ7W","created_at":"2026-07-05T01:44:51Z"},{"alias_kind":"pith_short_16","alias_value":"SKV6CNFAJZ7WHLWS","created_at":"2026-07-05T01:44:51Z"},{"alias_kind":"pith_short_8","alias_value":"SKV6CNFA","created_at":"2026-07-05T01:44:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:SKV6CNFAJZ7WHLWSN5V44IE4GC","target":"record","payload":{"canonical_record":{"source":{"id":"2010.10164","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2020-10-20T09:56:27Z","cross_cats_sorted":[],"title_canon_sha256":"6e0d27b176ba0e6004d5d23eed61317441c46b6f77cec1748dbe8e8c0d7a68d0","abstract_canon_sha256":"63df09b61ff011cd25b80c2a78d2188758d3146d014bd699057b7a640211cd0d"},"schema_version":"1.0"},"canonical_sha256":"92abe134a04e7f63aed26f6bce209c30b67b00105e8c773ab03fe56ecc19da52","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:44:51.948215Z","signature_b64":"esDNKtb/9JT/2KwtdFTZK5RlBD2O7vuxJSg1c6mgRh77kNTJ7AndGPKWGzdhHrUIE5eydqxsYh3Sj+A8tSjtAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"92abe134a04e7f63aed26f6bce209c30b67b00105e8c773ab03fe56ecc19da52","last_reissued_at":"2026-07-05T01:44:51.947820Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:44:51.947820Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2010.10164","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":"2026-07-05T01:44:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cNC095VJkwk0T8hUeSTvWShq6yJRKjWMUQDQuBVBNE0vw/XkKJsGnu6M4Rnh1qTIv8poot5Cc8EOcNcdIyzSAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T06:36:26.339836Z"},"content_sha256":"0689f3391785c213173f8b07d3cdee5adbcfa2a4038c6e490686e8e9e19ca21d","schema_version":"1.0","event_id":"sha256:0689f3391785c213173f8b07d3cdee5adbcfa2a4038c6e490686e8e9e19ca21d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:SKV6CNFAJZ7WHLWSN5V44IE4GC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Signatures of technetium oxidation states: a new approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Andreas C. Scheinost, J\\\"org Rothe, Kathy Dardenne, Katja Schmeide, Kristina O. Kvashnina, Natalia Mayordomo, Robin Steudtner, Sergei M. Butorin, Stephan Weiss, Stephen Bauters, Thorsten Stumpf, Ulrich Abram","submitted_at":"2020-10-20T09:56:27Z","abstract_excerpt":"A general strategy for the determination of Tc oxidation state by new approach involving X-ray absorption near edge spectroscopy (XANES) at the Tc L3 edge is shown. A comprehensive series of 99Tc compounds, ranging from oxidation states I to VII, was measured and subsequently simulated within the framework of crystal-field multiplet theory. The observable trends in the absorption edge energy shift in combination with the spectral shape allow for a deeper understanding of complicated Tc coordination chemistry. This approach can be extended to numerous studies of Tc systems as this method is one"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.10164","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/2010.10164/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":"2026-07-05T01:44:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hMay7DENl5zFgKOSZH2gVC9xkitMH3B3mSahKHArAsykLS8c2pI4w7H0WEphu3ld/qCLEAFDCT/p0U0QPnoABw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T06:36:26.340212Z"},"content_sha256":"41eb925821b528ec4fe9cabc62fc5c92eacee70ac7234efe487a167f39454e69","schema_version":"1.0","event_id":"sha256:41eb925821b528ec4fe9cabc62fc5c92eacee70ac7234efe487a167f39454e69"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SKV6CNFAJZ7WHLWSN5V44IE4GC/bundle.json","state_url":"https://pith.science/pith/SKV6CNFAJZ7WHLWSN5V44IE4GC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SKV6CNFAJZ7WHLWSN5V44IE4GC/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":"2026-07-08T06:36:26Z","links":{"resolver":"https://pith.science/pith/SKV6CNFAJZ7WHLWSN5V44IE4GC","bundle":"https://pith.science/pith/SKV6CNFAJZ7WHLWSN5V44IE4GC/bundle.json","state":"https://pith.science/pith/SKV6CNFAJZ7WHLWSN5V44IE4GC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SKV6CNFAJZ7WHLWSN5V44IE4GC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:SKV6CNFAJZ7WHLWSN5V44IE4GC","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":"63df09b61ff011cd25b80c2a78d2188758d3146d014bd699057b7a640211cd0d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2020-10-20T09:56:27Z","title_canon_sha256":"6e0d27b176ba0e6004d5d23eed61317441c46b6f77cec1748dbe8e8c0d7a68d0"},"schema_version":"1.0","source":{"id":"2010.10164","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.10164","created_at":"2026-07-05T01:44:51Z"},{"alias_kind":"arxiv_version","alias_value":"2010.10164v2","created_at":"2026-07-05T01:44:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.10164","created_at":"2026-07-05T01:44:51Z"},{"alias_kind":"pith_short_12","alias_value":"SKV6CNFAJZ7W","created_at":"2026-07-05T01:44:51Z"},{"alias_kind":"pith_short_16","alias_value":"SKV6CNFAJZ7WHLWS","created_at":"2026-07-05T01:44:51Z"},{"alias_kind":"pith_short_8","alias_value":"SKV6CNFA","created_at":"2026-07-05T01:44:51Z"}],"graph_snapshots":[{"event_id":"sha256:41eb925821b528ec4fe9cabc62fc5c92eacee70ac7234efe487a167f39454e69","target":"graph","created_at":"2026-07-05T01:44:51Z","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/2010.10164/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A general strategy for the determination of Tc oxidation state by new approach involving X-ray absorption near edge spectroscopy (XANES) at the Tc L3 edge is shown. A comprehensive series of 99Tc compounds, ranging from oxidation states I to VII, was measured and subsequently simulated within the framework of crystal-field multiplet theory. The observable trends in the absorption edge energy shift in combination with the spectral shape allow for a deeper understanding of complicated Tc coordination chemistry. This approach can be extended to numerous studies of Tc systems as this method is one","authors_text":"Andreas C. Scheinost, J\\\"org Rothe, Kathy Dardenne, Katja Schmeide, Kristina O. Kvashnina, Natalia Mayordomo, Robin Steudtner, Sergei M. Butorin, Stephan Weiss, Stephen Bauters, Thorsten Stumpf, Ulrich Abram","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2020-10-20T09:56:27Z","title":"Signatures of technetium oxidation states: a new approach"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.10164","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":"sha256:0689f3391785c213173f8b07d3cdee5adbcfa2a4038c6e490686e8e9e19ca21d","target":"record","created_at":"2026-07-05T01:44:51Z","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":"63df09b61ff011cd25b80c2a78d2188758d3146d014bd699057b7a640211cd0d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2020-10-20T09:56:27Z","title_canon_sha256":"6e0d27b176ba0e6004d5d23eed61317441c46b6f77cec1748dbe8e8c0d7a68d0"},"schema_version":"1.0","source":{"id":"2010.10164","kind":"arxiv","version":2}},"canonical_sha256":"92abe134a04e7f63aed26f6bce209c30b67b00105e8c773ab03fe56ecc19da52","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"92abe134a04e7f63aed26f6bce209c30b67b00105e8c773ab03fe56ecc19da52","first_computed_at":"2026-07-05T01:44:51.947820Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:44:51.947820Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"esDNKtb/9JT/2KwtdFTZK5RlBD2O7vuxJSg1c6mgRh77kNTJ7AndGPKWGzdhHrUIE5eydqxsYh3Sj+A8tSjtAw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:44:51.948215Z","signed_message":"canonical_sha256_bytes"},"source_id":"2010.10164","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0689f3391785c213173f8b07d3cdee5adbcfa2a4038c6e490686e8e9e19ca21d","sha256:41eb925821b528ec4fe9cabc62fc5c92eacee70ac7234efe487a167f39454e69"],"state_sha256":"60092ddb45ed81cd943eac55a13f949e76e1a9d2e74756ae2bed077b93f75ff1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"srbGCrKFb7VBWiTEtN9nxbDK0XDVV1825z4bNsQC6EybKuhaIUefd3EiHcndXvNp9Is7u/JERdFIPJ6o/Ep0CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T06:36:26.342431Z","bundle_sha256":"85e92b89cbe631c9ab58403c1fd4ff3831ed52df8fe892f1b1536618b29dbd81"}}