{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:MDS3UG7CXEYNIJ5ALMH4UX4ICD","short_pith_number":"pith:MDS3UG7C","canonical_record":{"source":{"id":"1809.02868","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2018-09-08T20:36:13Z","cross_cats_sorted":[],"title_canon_sha256":"6808a95aad447a6a0da72ba5783b2c168cbe174031b82cf8ebb917dc9f5bb716","abstract_canon_sha256":"2e850ad5950c1f007bb8f132959a85dff89c6f416f387f2b3df9ade273174ec5"},"schema_version":"1.0"},"canonical_sha256":"60e5ba1be2b930d427a05b0fca5f8810dc6fee94511023403e1a1d6f05f5aed6","source":{"kind":"arxiv","id":"1809.02868","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.02868","created_at":"2026-05-17T23:49:52Z"},{"alias_kind":"arxiv_version","alias_value":"1809.02868v4","created_at":"2026-05-17T23:49:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.02868","created_at":"2026-05-17T23:49:52Z"},{"alias_kind":"pith_short_12","alias_value":"MDS3UG7CXEYN","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"MDS3UG7CXEYNIJ5A","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"MDS3UG7C","created_at":"2026-05-18T12:32:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:MDS3UG7CXEYNIJ5ALMH4UX4ICD","target":"record","payload":{"canonical_record":{"source":{"id":"1809.02868","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2018-09-08T20:36:13Z","cross_cats_sorted":[],"title_canon_sha256":"6808a95aad447a6a0da72ba5783b2c168cbe174031b82cf8ebb917dc9f5bb716","abstract_canon_sha256":"2e850ad5950c1f007bb8f132959a85dff89c6f416f387f2b3df9ade273174ec5"},"schema_version":"1.0"},"canonical_sha256":"60e5ba1be2b930d427a05b0fca5f8810dc6fee94511023403e1a1d6f05f5aed6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:49:52.557418Z","signature_b64":"VKLsUE7LU9sslCvkhz3BjTdHv2ZE1xM9UiOnx3v9Ocn4LPC+HhXse/iT1q0tc59i5fQiRDu4jBQB7ru3fesPCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"60e5ba1be2b930d427a05b0fca5f8810dc6fee94511023403e1a1d6f05f5aed6","last_reissued_at":"2026-05-17T23:49:52.557024Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:49:52.557024Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1809.02868","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:49:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OgkHHElks54Fh03W5ktPzSqrDRkHEMfiT/8szabmBkxwGQpo220E2B0ubQAmAxpWSpvm1gzX8uTR8yr0LuaYAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T23:40:56.652769Z"},"content_sha256":"49f1fe8b0f443358b4bd4b5e8cb840892fb30cfd6f6f687815bb2dc4e1ab3537","schema_version":"1.0","event_id":"sha256:49f1fe8b0f443358b4bd4b5e8cb840892fb30cfd6f6f687815bb2dc4e1ab3537"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:MDS3UG7CXEYNIJ5ALMH4UX4ICD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optical absorption in atoms and molecules near laser-induced exceptional points","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Adi Pick, Nimrod Moiseyev, Petra Ruth Kapr\\'alov\\'a-\\v{Z}\\v{d}\\'ansk\\'a","submitted_at":"2018-09-08T20:36:13Z","abstract_excerpt":"We present a non-Hermitian theory of atomic and molecular absorption, which enables computing the absorption spectrum of multi-electron atoms and molecules without using any fitting parameters. We propose a method for optically inducing exceptional points in atomic systems, and show that slight changes in the laser parameters may lead to dramatic changes in the absorption lineshape. We demonstrate these predictions for helium using exact ab-initio electronic-structure data. Finally, we derive a simple formula for the Fano asymmetry factor and evaluate it for a model xenon atom."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.02868","kind":"arxiv","version":4},"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":"2026-05-17T23:49:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MiXnbBTWabS32GcUq2R0SpJ+PMh4obazwzqxLBbqQ+L7xUQlJH7WwLAL84b+FKv7gseC3TbvMW5lTXJ4v5T7BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T23:40:56.653427Z"},"content_sha256":"82881e9790526e0e53833a06039ea806e034bb869c8d304932ffdb8ea4129888","schema_version":"1.0","event_id":"sha256:82881e9790526e0e53833a06039ea806e034bb869c8d304932ffdb8ea4129888"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MDS3UG7CXEYNIJ5ALMH4UX4ICD/bundle.json","state_url":"https://pith.science/pith/MDS3UG7CXEYNIJ5ALMH4UX4ICD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MDS3UG7CXEYNIJ5ALMH4UX4ICD/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":"2026-05-29T23:40:56Z","links":{"resolver":"https://pith.science/pith/MDS3UG7CXEYNIJ5ALMH4UX4ICD","bundle":"https://pith.science/pith/MDS3UG7CXEYNIJ5ALMH4UX4ICD/bundle.json","state":"https://pith.science/pith/MDS3UG7CXEYNIJ5ALMH4UX4ICD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MDS3UG7CXEYNIJ5ALMH4UX4ICD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:MDS3UG7CXEYNIJ5ALMH4UX4ICD","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":"2e850ad5950c1f007bb8f132959a85dff89c6f416f387f2b3df9ade273174ec5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2018-09-08T20:36:13Z","title_canon_sha256":"6808a95aad447a6a0da72ba5783b2c168cbe174031b82cf8ebb917dc9f5bb716"},"schema_version":"1.0","source":{"id":"1809.02868","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.02868","created_at":"2026-05-17T23:49:52Z"},{"alias_kind":"arxiv_version","alias_value":"1809.02868v4","created_at":"2026-05-17T23:49:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.02868","created_at":"2026-05-17T23:49:52Z"},{"alias_kind":"pith_short_12","alias_value":"MDS3UG7CXEYN","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"MDS3UG7CXEYNIJ5A","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"MDS3UG7C","created_at":"2026-05-18T12:32:37Z"}],"graph_snapshots":[{"event_id":"sha256:82881e9790526e0e53833a06039ea806e034bb869c8d304932ffdb8ea4129888","target":"graph","created_at":"2026-05-17T23:49:52Z","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 present a non-Hermitian theory of atomic and molecular absorption, which enables computing the absorption spectrum of multi-electron atoms and molecules without using any fitting parameters. We propose a method for optically inducing exceptional points in atomic systems, and show that slight changes in the laser parameters may lead to dramatic changes in the absorption lineshape. We demonstrate these predictions for helium using exact ab-initio electronic-structure data. Finally, we derive a simple formula for the Fano asymmetry factor and evaluate it for a model xenon atom.","authors_text":"Adi Pick, Nimrod Moiseyev, Petra Ruth Kapr\\'alov\\'a-\\v{Z}\\v{d}\\'ansk\\'a","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2018-09-08T20:36:13Z","title":"Optical absorption in atoms and molecules near laser-induced exceptional points"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.02868","kind":"arxiv","version":4},"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":"sha256:49f1fe8b0f443358b4bd4b5e8cb840892fb30cfd6f6f687815bb2dc4e1ab3537","target":"record","created_at":"2026-05-17T23:49:52Z","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":"2e850ad5950c1f007bb8f132959a85dff89c6f416f387f2b3df9ade273174ec5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2018-09-08T20:36:13Z","title_canon_sha256":"6808a95aad447a6a0da72ba5783b2c168cbe174031b82cf8ebb917dc9f5bb716"},"schema_version":"1.0","source":{"id":"1809.02868","kind":"arxiv","version":4}},"canonical_sha256":"60e5ba1be2b930d427a05b0fca5f8810dc6fee94511023403e1a1d6f05f5aed6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"60e5ba1be2b930d427a05b0fca5f8810dc6fee94511023403e1a1d6f05f5aed6","first_computed_at":"2026-05-17T23:49:52.557024Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:49:52.557024Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VKLsUE7LU9sslCvkhz3BjTdHv2ZE1xM9UiOnx3v9Ocn4LPC+HhXse/iT1q0tc59i5fQiRDu4jBQB7ru3fesPCg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:49:52.557418Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.02868","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:49f1fe8b0f443358b4bd4b5e8cb840892fb30cfd6f6f687815bb2dc4e1ab3537","sha256:82881e9790526e0e53833a06039ea806e034bb869c8d304932ffdb8ea4129888"],"state_sha256":"f33575f8c9c39faa234911469768c3fa5469e6f34f7101563e74b0a983f7813b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MygYona5EepL/qNI94QWK3gWu14HCGHHot532su4lxJYUqlMeWMCU2Z3tAc6Vf/ZPWvFXzfW0VYCqv9LnRFrBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T23:40:56.657061Z","bundle_sha256":"aba4c1a6cf3a11bd6346f74ae3bddf4d7bdc038ff05b0f97318164cd014a97f7"}}