{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:5F4WYUO4VDDHKEXURCX5MY3FFW","short_pith_number":"pith:5F4WYUO4","canonical_record":{"source":{"id":"2007.04103","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2020-07-07T12:05:03Z","cross_cats_sorted":[],"title_canon_sha256":"9e1aae8b067c47b82c59ad85ec8a3f5414b85d3896e79751fc195f358d713a67","abstract_canon_sha256":"2f03b51e7e6ca30b2be51245401354de450378d029fe14c806b0272de420e5cc"},"schema_version":"1.0"},"canonical_sha256":"e9796c51dca8c67512f488afd663652d8db33ac42ae505b1411bfdc2455bc24f","source":{"kind":"arxiv","id":"2007.04103","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.04103","created_at":"2026-07-05T02:17:27Z"},{"alias_kind":"arxiv_version","alias_value":"2007.04103v1","created_at":"2026-07-05T02:17:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.04103","created_at":"2026-07-05T02:17:27Z"},{"alias_kind":"pith_short_12","alias_value":"5F4WYUO4VDDH","created_at":"2026-07-05T02:17:27Z"},{"alias_kind":"pith_short_16","alias_value":"5F4WYUO4VDDHKEXU","created_at":"2026-07-05T02:17:27Z"},{"alias_kind":"pith_short_8","alias_value":"5F4WYUO4","created_at":"2026-07-05T02:17:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:5F4WYUO4VDDHKEXURCX5MY3FFW","target":"record","payload":{"canonical_record":{"source":{"id":"2007.04103","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2020-07-07T12:05:03Z","cross_cats_sorted":[],"title_canon_sha256":"9e1aae8b067c47b82c59ad85ec8a3f5414b85d3896e79751fc195f358d713a67","abstract_canon_sha256":"2f03b51e7e6ca30b2be51245401354de450378d029fe14c806b0272de420e5cc"},"schema_version":"1.0"},"canonical_sha256":"e9796c51dca8c67512f488afd663652d8db33ac42ae505b1411bfdc2455bc24f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:17:27.825982Z","signature_b64":"4uBapgrdsyh5iVYasMUz6oHfEYptkqMR314LGqvYSvs6uIOSRCd18iWRMi+++JNZ/KAb1x4YKFvD3MnD5DJoAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e9796c51dca8c67512f488afd663652d8db33ac42ae505b1411bfdc2455bc24f","last_reissued_at":"2026-07-05T02:17:27.825571Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:17:27.825571Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2007.04103","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":"2026-07-05T02:17:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H4iecNpcpDVkkPgmz2OOGjPlQ1HL8pzk30Hsn/1e7NPl4eS3KVjZum966fEqDpGKWgY9RE1j+M7eC6uWBgHCBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T05:43:04.787279Z"},"content_sha256":"82900c4ab9b8d820728906787fd9dcb34ba125c1b561eda2e4447240f593412b","schema_version":"1.0","event_id":"sha256:82900c4ab9b8d820728906787fd9dcb34ba125c1b561eda2e4447240f593412b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:5F4WYUO4VDDHKEXURCX5MY3FFW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the selective multiphoton ionization of sodium by femtosecond laser pulses: A partial-wave analysis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"A. Bunjac, D. B. Popovic, N. S. Simonovic","submitted_at":"2020-07-07T12:05:03Z","abstract_excerpt":"Multiphoton ionization of sodium by femtosecond laser pulses of 800 nm wavelength in the range of laser peak intensities entering over-the-barrier ionization domain is studied. Photoelectron momentum distributions and the energy spectra are determined numerically by solving the time dependent Schroedinger equation for three values of the laser intensity from this domain. The calculated spectra agree well with the spectra obtained experimentally by Hart et al (Phys. Rev. A 2016 93 063426). A partial wave analysis of the spectral peaks related to Freeman resonances has shown that each peak is a "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.04103","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/2007.04103/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":"2026-07-05T02:17:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XKdlwX4kRQFaxrqa2qtbgIKyNQJ9JRWaEctEEURErZuO3UkoXusceuZf2IY9dAG75ZeQiUO/4+e+Hn2z72R3Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T05:43:04.787665Z"},"content_sha256":"59cd8430fe80558fb41ad6081392879e8e82012076415edf67d45acb15b2e2ba","schema_version":"1.0","event_id":"sha256:59cd8430fe80558fb41ad6081392879e8e82012076415edf67d45acb15b2e2ba"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5F4WYUO4VDDHKEXURCX5MY3FFW/bundle.json","state_url":"https://pith.science/pith/5F4WYUO4VDDHKEXURCX5MY3FFW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5F4WYUO4VDDHKEXURCX5MY3FFW/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":"2026-07-05T05:43:04Z","links":{"resolver":"https://pith.science/pith/5F4WYUO4VDDHKEXURCX5MY3FFW","bundle":"https://pith.science/pith/5F4WYUO4VDDHKEXURCX5MY3FFW/bundle.json","state":"https://pith.science/pith/5F4WYUO4VDDHKEXURCX5MY3FFW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5F4WYUO4VDDHKEXURCX5MY3FFW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:5F4WYUO4VDDHKEXURCX5MY3FFW","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":"2f03b51e7e6ca30b2be51245401354de450378d029fe14c806b0272de420e5cc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2020-07-07T12:05:03Z","title_canon_sha256":"9e1aae8b067c47b82c59ad85ec8a3f5414b85d3896e79751fc195f358d713a67"},"schema_version":"1.0","source":{"id":"2007.04103","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.04103","created_at":"2026-07-05T02:17:27Z"},{"alias_kind":"arxiv_version","alias_value":"2007.04103v1","created_at":"2026-07-05T02:17:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.04103","created_at":"2026-07-05T02:17:27Z"},{"alias_kind":"pith_short_12","alias_value":"5F4WYUO4VDDH","created_at":"2026-07-05T02:17:27Z"},{"alias_kind":"pith_short_16","alias_value":"5F4WYUO4VDDHKEXU","created_at":"2026-07-05T02:17:27Z"},{"alias_kind":"pith_short_8","alias_value":"5F4WYUO4","created_at":"2026-07-05T02:17:27Z"}],"graph_snapshots":[{"event_id":"sha256:59cd8430fe80558fb41ad6081392879e8e82012076415edf67d45acb15b2e2ba","target":"graph","created_at":"2026-07-05T02:17:27Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2007.04103/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Multiphoton ionization of sodium by femtosecond laser pulses of 800 nm wavelength in the range of laser peak intensities entering over-the-barrier ionization domain is studied. Photoelectron momentum distributions and the energy spectra are determined numerically by solving the time dependent Schroedinger equation for three values of the laser intensity from this domain. The calculated spectra agree well with the spectra obtained experimentally by Hart et al (Phys. Rev. A 2016 93 063426). A partial wave analysis of the spectral peaks related to Freeman resonances has shown that each peak is a ","authors_text":"A. Bunjac, D. B. Popovic, N. S. Simonovic","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2020-07-07T12:05:03Z","title":"On the selective multiphoton ionization of sodium by femtosecond laser pulses: A partial-wave analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.04103","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":"sha256:82900c4ab9b8d820728906787fd9dcb34ba125c1b561eda2e4447240f593412b","target":"record","created_at":"2026-07-05T02:17:27Z","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":"2f03b51e7e6ca30b2be51245401354de450378d029fe14c806b0272de420e5cc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2020-07-07T12:05:03Z","title_canon_sha256":"9e1aae8b067c47b82c59ad85ec8a3f5414b85d3896e79751fc195f358d713a67"},"schema_version":"1.0","source":{"id":"2007.04103","kind":"arxiv","version":1}},"canonical_sha256":"e9796c51dca8c67512f488afd663652d8db33ac42ae505b1411bfdc2455bc24f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e9796c51dca8c67512f488afd663652d8db33ac42ae505b1411bfdc2455bc24f","first_computed_at":"2026-07-05T02:17:27.825571Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:17:27.825571Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4uBapgrdsyh5iVYasMUz6oHfEYptkqMR314LGqvYSvs6uIOSRCd18iWRMi+++JNZ/KAb1x4YKFvD3MnD5DJoAA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:17:27.825982Z","signed_message":"canonical_sha256_bytes"},"source_id":"2007.04103","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:82900c4ab9b8d820728906787fd9dcb34ba125c1b561eda2e4447240f593412b","sha256:59cd8430fe80558fb41ad6081392879e8e82012076415edf67d45acb15b2e2ba"],"state_sha256":"89c2e9ee29af8263a88abc659110ef9d38469fd4614d963579763ebaf0ba2005"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GJkgHXKmpiVIceUJ3vaei0l9CyhyxyZI6NG2Qeg5IifTXBMTFgOf19SS8W1A3mZToO//zmyBiVpmD3UagOuSDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T05:43:04.789655Z","bundle_sha256":"ac77d975bfcc0b15ebe989ed157853847997d892b906c87efc9375bfb8ae72fa"}}