{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:6H4UHY5IAIKVBRXJ5V5DKOW6AO","short_pith_number":"pith:6H4UHY5I","canonical_record":{"source":{"id":"1807.08059","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-21T00:03:29Z","cross_cats_sorted":[],"title_canon_sha256":"51e98788fe5f1a24878234fb1537ca711cc4ad74c86481f5bdabab88ee4dd935","abstract_canon_sha256":"d3fd581dd8622825c41f0df7058a2015a9abf15f15b81fcd417c0e549bd7f859"},"schema_version":"1.0"},"canonical_sha256":"f1f943e3a8021550c6e9ed7a353ade0396b6e95abac1362e2f92073c6ba4a81d","source":{"kind":"arxiv","id":"1807.08059","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.08059","created_at":"2026-05-17T23:50:27Z"},{"alias_kind":"arxiv_version","alias_value":"1807.08059v1","created_at":"2026-05-17T23:50:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.08059","created_at":"2026-05-17T23:50:27Z"},{"alias_kind":"pith_short_12","alias_value":"6H4UHY5IAIKV","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"6H4UHY5IAIKVBRXJ","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"6H4UHY5I","created_at":"2026-05-18T12:32:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:6H4UHY5IAIKVBRXJ5V5DKOW6AO","target":"record","payload":{"canonical_record":{"source":{"id":"1807.08059","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-21T00:03:29Z","cross_cats_sorted":[],"title_canon_sha256":"51e98788fe5f1a24878234fb1537ca711cc4ad74c86481f5bdabab88ee4dd935","abstract_canon_sha256":"d3fd581dd8622825c41f0df7058a2015a9abf15f15b81fcd417c0e549bd7f859"},"schema_version":"1.0"},"canonical_sha256":"f1f943e3a8021550c6e9ed7a353ade0396b6e95abac1362e2f92073c6ba4a81d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:27.516897Z","signature_b64":"EdHOXjwnuq+17fNBlIN7L+51R5fDcd4x99YGpZMdpO0eeZREbm0Bbn32PADfTr3DGl6YSLyQqSrfdLy52tStDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f1f943e3a8021550c6e9ed7a353ade0396b6e95abac1362e2f92073c6ba4a81d","last_reissued_at":"2026-05-17T23:50:27.516421Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:27.516421Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.08059","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":"2026-05-17T23:50:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QBiVuZ9NlVt3v1X0GGzOOJ+jCHHGrPElW1xR02yfYVMMW8UDoH+ofHKM5zyjy/oTdUup8WbxX415pYkDWO5XDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T23:06:13.004157Z"},"content_sha256":"bbe9863bdbc604c080063e6735a44d57df9aa4ffdb9584836365793d51f83a11","schema_version":"1.0","event_id":"sha256:bbe9863bdbc604c080063e6735a44d57df9aa4ffdb9584836365793d51f83a11"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:6H4UHY5IAIKVBRXJ5V5DKOW6AO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An Improved Laboratory-Based XAFS and XES Spectrometer for Analytical Applications in Materials Chemistry Research","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alex S. Ditter, Devon R. Mortensen, Evan P. Jahrman, Gerald T. Seidler, Jatinkumar Rana, Louis F.J. Piper, Martin C. Stennett, Neil C. Hyatt, Stosh A. Kozimor, Timothy T. Fister, William M. Holden","submitted_at":"2018-07-21T00:03:29Z","abstract_excerpt":"X-ray absorption fine structure (XAFS) and x-ray emission spectroscopy (XES) are advanced x-ray spectroscopies that impact a wide range of disciplines. However, unlike the majority of other spectroscopic methods, XAFS and XES are accompanied by an unusual access model, wherein; the dominant use of the technique is for premier research studies at world-class facilities, i.e., synchrotron x-ray light sources. In this paper we report the design and performance of an improved spectrometer XAFS and XES based on the general conceptual design of Seidler, et al., Rev. Sci. Instrum. 2014. New developme"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.08059","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":"2026-05-17T23:50:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v8Cp2fHvzXNDfBrf37FF93wBsjV3m+FATj1yPLpJCC46DpT23tiyg5zIo2W0N0Ksz9Khh3UD0f5wGtIuyr8LBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T23:06:13.004518Z"},"content_sha256":"c2eac1c23926cabb24cbf881e818f639e9a144a40384570e81f67531da428b81","schema_version":"1.0","event_id":"sha256:c2eac1c23926cabb24cbf881e818f639e9a144a40384570e81f67531da428b81"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6H4UHY5IAIKVBRXJ5V5DKOW6AO/bundle.json","state_url":"https://pith.science/pith/6H4UHY5IAIKVBRXJ5V5DKOW6AO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6H4UHY5IAIKVBRXJ5V5DKOW6AO/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":"2026-06-28T23:06:13Z","links":{"resolver":"https://pith.science/pith/6H4UHY5IAIKVBRXJ5V5DKOW6AO","bundle":"https://pith.science/pith/6H4UHY5IAIKVBRXJ5V5DKOW6AO/bundle.json","state":"https://pith.science/pith/6H4UHY5IAIKVBRXJ5V5DKOW6AO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6H4UHY5IAIKVBRXJ5V5DKOW6AO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:6H4UHY5IAIKVBRXJ5V5DKOW6AO","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":"d3fd581dd8622825c41f0df7058a2015a9abf15f15b81fcd417c0e549bd7f859","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-21T00:03:29Z","title_canon_sha256":"51e98788fe5f1a24878234fb1537ca711cc4ad74c86481f5bdabab88ee4dd935"},"schema_version":"1.0","source":{"id":"1807.08059","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.08059","created_at":"2026-05-17T23:50:27Z"},{"alias_kind":"arxiv_version","alias_value":"1807.08059v1","created_at":"2026-05-17T23:50:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.08059","created_at":"2026-05-17T23:50:27Z"},{"alias_kind":"pith_short_12","alias_value":"6H4UHY5IAIKV","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"6H4UHY5IAIKVBRXJ","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"6H4UHY5I","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:c2eac1c23926cabb24cbf881e818f639e9a144a40384570e81f67531da428b81","target":"graph","created_at":"2026-05-17T23:50:27Z","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":"X-ray absorption fine structure (XAFS) and x-ray emission spectroscopy (XES) are advanced x-ray spectroscopies that impact a wide range of disciplines. However, unlike the majority of other spectroscopic methods, XAFS and XES are accompanied by an unusual access model, wherein; the dominant use of the technique is for premier research studies at world-class facilities, i.e., synchrotron x-ray light sources. In this paper we report the design and performance of an improved spectrometer XAFS and XES based on the general conceptual design of Seidler, et al., Rev. Sci. Instrum. 2014. New developme","authors_text":"Alex S. Ditter, Devon R. Mortensen, Evan P. Jahrman, Gerald T. Seidler, Jatinkumar Rana, Louis F.J. Piper, Martin C. Stennett, Neil C. Hyatt, Stosh A. Kozimor, Timothy T. Fister, William M. Holden","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-21T00:03:29Z","title":"An Improved Laboratory-Based XAFS and XES Spectrometer for Analytical Applications in Materials Chemistry Research"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.08059","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:bbe9863bdbc604c080063e6735a44d57df9aa4ffdb9584836365793d51f83a11","target":"record","created_at":"2026-05-17T23:50:27Z","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":"d3fd581dd8622825c41f0df7058a2015a9abf15f15b81fcd417c0e549bd7f859","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-21T00:03:29Z","title_canon_sha256":"51e98788fe5f1a24878234fb1537ca711cc4ad74c86481f5bdabab88ee4dd935"},"schema_version":"1.0","source":{"id":"1807.08059","kind":"arxiv","version":1}},"canonical_sha256":"f1f943e3a8021550c6e9ed7a353ade0396b6e95abac1362e2f92073c6ba4a81d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f1f943e3a8021550c6e9ed7a353ade0396b6e95abac1362e2f92073c6ba4a81d","first_computed_at":"2026-05-17T23:50:27.516421Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:27.516421Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EdHOXjwnuq+17fNBlIN7L+51R5fDcd4x99YGpZMdpO0eeZREbm0Bbn32PADfTr3DGl6YSLyQqSrfdLy52tStDA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:27.516897Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.08059","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bbe9863bdbc604c080063e6735a44d57df9aa4ffdb9584836365793d51f83a11","sha256:c2eac1c23926cabb24cbf881e818f639e9a144a40384570e81f67531da428b81"],"state_sha256":"39624d916912e138f20bef7d81b0d9446d9d281e5d56842dc8358217f7fd2bcc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"761hJlJGIHJn08lRFrwk2KKld1FZtWDkO4nW7AiBfVtcADfsWuHnmmwClEhxzZubabdVD+qUF3/QozzA/Qc7DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T23:06:13.006415Z","bundle_sha256":"e6ae2486edb89b6113d8b9d6b638a86d993980f6e795d088fb6565f5b6c7e311"}}