{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:6MSCY46UW5JZHY5PYFLGFZ2NGJ","short_pith_number":"pith:6MSCY46U","canonical_record":{"source":{"id":"1409.4325","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"physics.atom-ph","submitted_at":"2014-09-15T16:54:35Z","cross_cats_sorted":[],"title_canon_sha256":"237ef777ab201939ebba8982fe05b3c2c60777b8586c94e318f6554284304324","abstract_canon_sha256":"4073a80e87fda5a570c9f339e0e2a3b207393b685e662b53e35f83ce24de1026"},"schema_version":"1.0"},"canonical_sha256":"f3242c73d4b75393e3afc15662e74d324e1a0a2d305da1958a99e138a1a30928","source":{"kind":"arxiv","id":"1409.4325","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.4325","created_at":"2026-05-18T01:42:02Z"},{"alias_kind":"arxiv_version","alias_value":"1409.4325v1","created_at":"2026-05-18T01:42:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.4325","created_at":"2026-05-18T01:42:02Z"},{"alias_kind":"pith_short_12","alias_value":"6MSCY46UW5JZ","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"6MSCY46UW5JZHY5P","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"6MSCY46U","created_at":"2026-05-18T12:28:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:6MSCY46UW5JZHY5PYFLGFZ2NGJ","target":"record","payload":{"canonical_record":{"source":{"id":"1409.4325","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"physics.atom-ph","submitted_at":"2014-09-15T16:54:35Z","cross_cats_sorted":[],"title_canon_sha256":"237ef777ab201939ebba8982fe05b3c2c60777b8586c94e318f6554284304324","abstract_canon_sha256":"4073a80e87fda5a570c9f339e0e2a3b207393b685e662b53e35f83ce24de1026"},"schema_version":"1.0"},"canonical_sha256":"f3242c73d4b75393e3afc15662e74d324e1a0a2d305da1958a99e138a1a30928","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:02.542412Z","signature_b64":"0dZ+ACJ2EwLKY9gVBPidDIfMgU43+t2r6P6Wv4u6QMNuVhAGqAKiWKtk3sSLdDLIEJGzC3Am1hxTEk18GnxrCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f3242c73d4b75393e3afc15662e74d324e1a0a2d305da1958a99e138a1a30928","last_reissued_at":"2026-05-18T01:42:02.541839Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:02.541839Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.4325","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":"2026-05-18T01:42:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yynZiBGNa6Fk2ZAmPkHTkJGw4Co4f0KbkruhOR/Z8ikpQgsQXTIe95nAaqau52PoUD9vo3vZXbYiA/ENV6IdDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:03:48.917301Z"},"content_sha256":"9157332c537f07f3c4198aefd5c2222930313de70e9467144c1a353103e59ae0","schema_version":"1.0","event_id":"sha256:9157332c537f07f3c4198aefd5c2222930313de70e9467144c1a353103e59ae0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:6MSCY46UW5JZHY5PYFLGFZ2NGJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measurements and identifications of extreme ultraviolet spectra of highly-charged Sm and Er","license":"http://creativecommons.org/licenses/publicdomain/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"J.D. Gillaspy, J. Reader, Y.A. Podpaly, Yu. Ralchenko","submitted_at":"2014-09-15T16:54:35Z","abstract_excerpt":"We report spectroscopic measurements of highly charged samarium and erbium performed at the National Institute of Standards and Technology (NIST) Electron Beam Ion Trap (EBIT). These measurements are in the extreme ultraviolet (EUV) range, and span electron beam energies from 0.98 keV to 3.00 keV. We observed 71 lines from Kr-like Sm$^{26+}$ to Ni-like Sm$^{34+}$, connecting 83 energy levels, and 64 lines from Rb-like Er$^{32+}$ to Ni-like Er$^{40+}$, connecting 78 energy levels. Of these lines, 64 in Sm and 60 in Er are new. Line identifications are performed using collisional-radiative model"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.4325","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":"2026-05-18T01:42:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YKsMdpYhK9WCqCZb+dYGGhW1i66ZICy8P6LvczTv0jcIV38uVfeAVQXUTWVWek9qK8WGcAiSg55MROyO1mBxCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:03:48.917867Z"},"content_sha256":"508614e064575f5b20e4d18cb6cd7fc523ae67afc575ba32171342f1402734d4","schema_version":"1.0","event_id":"sha256:508614e064575f5b20e4d18cb6cd7fc523ae67afc575ba32171342f1402734d4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6MSCY46UW5JZHY5PYFLGFZ2NGJ/bundle.json","state_url":"https://pith.science/pith/6MSCY46UW5JZHY5PYFLGFZ2NGJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6MSCY46UW5JZHY5PYFLGFZ2NGJ/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":"2026-05-28T22:03:48Z","links":{"resolver":"https://pith.science/pith/6MSCY46UW5JZHY5PYFLGFZ2NGJ","bundle":"https://pith.science/pith/6MSCY46UW5JZHY5PYFLGFZ2NGJ/bundle.json","state":"https://pith.science/pith/6MSCY46UW5JZHY5PYFLGFZ2NGJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6MSCY46UW5JZHY5PYFLGFZ2NGJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:6MSCY46UW5JZHY5PYFLGFZ2NGJ","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":"4073a80e87fda5a570c9f339e0e2a3b207393b685e662b53e35f83ce24de1026","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"physics.atom-ph","submitted_at":"2014-09-15T16:54:35Z","title_canon_sha256":"237ef777ab201939ebba8982fe05b3c2c60777b8586c94e318f6554284304324"},"schema_version":"1.0","source":{"id":"1409.4325","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.4325","created_at":"2026-05-18T01:42:02Z"},{"alias_kind":"arxiv_version","alias_value":"1409.4325v1","created_at":"2026-05-18T01:42:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.4325","created_at":"2026-05-18T01:42:02Z"},{"alias_kind":"pith_short_12","alias_value":"6MSCY46UW5JZ","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"6MSCY46UW5JZHY5P","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"6MSCY46U","created_at":"2026-05-18T12:28:16Z"}],"graph_snapshots":[{"event_id":"sha256:508614e064575f5b20e4d18cb6cd7fc523ae67afc575ba32171342f1402734d4","target":"graph","created_at":"2026-05-18T01:42:02Z","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":"We report spectroscopic measurements of highly charged samarium and erbium performed at the National Institute of Standards and Technology (NIST) Electron Beam Ion Trap (EBIT). These measurements are in the extreme ultraviolet (EUV) range, and span electron beam energies from 0.98 keV to 3.00 keV. We observed 71 lines from Kr-like Sm$^{26+}$ to Ni-like Sm$^{34+}$, connecting 83 energy levels, and 64 lines from Rb-like Er$^{32+}$ to Ni-like Er$^{40+}$, connecting 78 energy levels. Of these lines, 64 in Sm and 60 in Er are new. Line identifications are performed using collisional-radiative model","authors_text":"J.D. Gillaspy, J. Reader, Y.A. Podpaly, Yu. Ralchenko","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"physics.atom-ph","submitted_at":"2014-09-15T16:54:35Z","title":"Measurements and identifications of extreme ultraviolet spectra of highly-charged Sm and Er"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.4325","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":"sha256:9157332c537f07f3c4198aefd5c2222930313de70e9467144c1a353103e59ae0","target":"record","created_at":"2026-05-18T01:42:02Z","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":"4073a80e87fda5a570c9f339e0e2a3b207393b685e662b53e35f83ce24de1026","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"physics.atom-ph","submitted_at":"2014-09-15T16:54:35Z","title_canon_sha256":"237ef777ab201939ebba8982fe05b3c2c60777b8586c94e318f6554284304324"},"schema_version":"1.0","source":{"id":"1409.4325","kind":"arxiv","version":1}},"canonical_sha256":"f3242c73d4b75393e3afc15662e74d324e1a0a2d305da1958a99e138a1a30928","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f3242c73d4b75393e3afc15662e74d324e1a0a2d305da1958a99e138a1a30928","first_computed_at":"2026-05-18T01:42:02.541839Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:02.541839Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0dZ+ACJ2EwLKY9gVBPidDIfMgU43+t2r6P6Wv4u6QMNuVhAGqAKiWKtk3sSLdDLIEJGzC3Am1hxTEk18GnxrCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:02.542412Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.4325","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9157332c537f07f3c4198aefd5c2222930313de70e9467144c1a353103e59ae0","sha256:508614e064575f5b20e4d18cb6cd7fc523ae67afc575ba32171342f1402734d4"],"state_sha256":"dc9b19898243c052acdb3949549abcf64d94b7b6b007081dc0e13c1456f3954e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5AurUotuUAvFNWmGjRueSXwgenHgrvQ5fTh0dZaoL3n0eAhjlTgfWOBKZGT3WfSsQwW3Vk9N7dxfeCDamjskCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T22:03:48.922763Z","bundle_sha256":"4acdcb50d9ce80e7f82a3a79f4548f4e4dd7853421f42c486889df64b968f71f"}}