{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:URX4SXHMQL5AVRFV4CJCHIUHRE","short_pith_number":"pith:URX4SXHM","canonical_record":{"source":{"id":"1801.07511","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2018-01-23T12:35:30Z","cross_cats_sorted":[],"title_canon_sha256":"f69640001d3401be110916fb36f8b45e1bc0bd0104b79d8cbf7e037d3681477d","abstract_canon_sha256":"6ff2cdb9aba8a58baaf8aac475ce04878d952771ce32cb9381e267050fe378ae"},"schema_version":"1.0"},"canonical_sha256":"a46fc95cec82fa0ac4b5e09223a287890ebf03c7d17ca670789e36dbb54bd448","source":{"kind":"arxiv","id":"1801.07511","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.07511","created_at":"2026-05-18T00:11:38Z"},{"alias_kind":"arxiv_version","alias_value":"1801.07511v2","created_at":"2026-05-18T00:11:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.07511","created_at":"2026-05-18T00:11:38Z"},{"alias_kind":"pith_short_12","alias_value":"URX4SXHMQL5A","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"URX4SXHMQL5AVRFV","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"URX4SXHM","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:URX4SXHMQL5AVRFV4CJCHIUHRE","target":"record","payload":{"canonical_record":{"source":{"id":"1801.07511","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2018-01-23T12:35:30Z","cross_cats_sorted":[],"title_canon_sha256":"f69640001d3401be110916fb36f8b45e1bc0bd0104b79d8cbf7e037d3681477d","abstract_canon_sha256":"6ff2cdb9aba8a58baaf8aac475ce04878d952771ce32cb9381e267050fe378ae"},"schema_version":"1.0"},"canonical_sha256":"a46fc95cec82fa0ac4b5e09223a287890ebf03c7d17ca670789e36dbb54bd448","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:11:38.783365Z","signature_b64":"BPs2CyI8BIxBD1jelJRW3+JDSCZ3QBsxp3UwiOQUkoU2TGGga9gwbL4/gCI4sj0TmLiCkigMhRvWI4fIj9VnCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a46fc95cec82fa0ac4b5e09223a287890ebf03c7d17ca670789e36dbb54bd448","last_reissued_at":"2026-05-18T00:11:38.782609Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:11:38.782609Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.07511","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":"2026-05-18T00:11:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RB1QGiZDhpsS+hwxv37MihId7JH6YqIZQN8mi0kNc6Cn7MHRtSdFj/yGZpbjUtWtY/2CzVUcXh0gRZ2aPub0BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:16:30.216641Z"},"content_sha256":"a62cf2e9f4c49893f097a1b087712c77249463f443865514cc28651361618eeb","schema_version":"1.0","event_id":"sha256:a62cf2e9f4c49893f097a1b087712c77249463f443865514cc28651361618eeb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:URX4SXHMQL5AVRFV4CJCHIUHRE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Phase- and intensity-resolved measurements of above threshold ionization by few-cycle pulses","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"B. Bergues, C. Burger, M. Arbeiter, M.F. Kling, M. K\\\"ubel, Nora G. Kling, R. Moshammer, T. Fennel, T. Pischke","submitted_at":"2018-01-23T12:35:30Z","abstract_excerpt":"We investigate the carrier-envelope phase and intensity dependence of the longitudinal momentum distribution of photoelectrons resulting from above-threshold ionization of argon by few-cycle laser pulses. The intensity of the pulses with a center wavelength of 750\\,nm is varied in a range between $0.7 \\times 10^{14}$ and $\\unit[5.5 \\times 10^{14}]{W/cm^2}$. Our measurements reveal a prominent maximum in the carrier-envelope phase-dependent asymmetry at photoelectron energies of 2\\,$U_\\mathrm{P}$ ($U_\\mathrm{P}$ being the ponderomotive potential), that is persistent over the entire intensity ra"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.07511","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":""},"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":"2026-05-18T00:11:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WVs0I/c2jIGBq8bHF4i4edx3P+hWY9CWUIpC+IZJofyArdhiNG2M9y/Y8Q+DQOFsdKZcVPL35+K22ReKNgrhCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:16:30.217384Z"},"content_sha256":"2a1152bc501e635d2db6fc8a55bf2ed69ae31eae26c18c5f6a964ae754aae526","schema_version":"1.0","event_id":"sha256:2a1152bc501e635d2db6fc8a55bf2ed69ae31eae26c18c5f6a964ae754aae526"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/URX4SXHMQL5AVRFV4CJCHIUHRE/bundle.json","state_url":"https://pith.science/pith/URX4SXHMQL5AVRFV4CJCHIUHRE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/URX4SXHMQL5AVRFV4CJCHIUHRE/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":"2026-05-25T18:16:30Z","links":{"resolver":"https://pith.science/pith/URX4SXHMQL5AVRFV4CJCHIUHRE","bundle":"https://pith.science/pith/URX4SXHMQL5AVRFV4CJCHIUHRE/bundle.json","state":"https://pith.science/pith/URX4SXHMQL5AVRFV4CJCHIUHRE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/URX4SXHMQL5AVRFV4CJCHIUHRE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:URX4SXHMQL5AVRFV4CJCHIUHRE","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":"6ff2cdb9aba8a58baaf8aac475ce04878d952771ce32cb9381e267050fe378ae","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2018-01-23T12:35:30Z","title_canon_sha256":"f69640001d3401be110916fb36f8b45e1bc0bd0104b79d8cbf7e037d3681477d"},"schema_version":"1.0","source":{"id":"1801.07511","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.07511","created_at":"2026-05-18T00:11:38Z"},{"alias_kind":"arxiv_version","alias_value":"1801.07511v2","created_at":"2026-05-18T00:11:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.07511","created_at":"2026-05-18T00:11:38Z"},{"alias_kind":"pith_short_12","alias_value":"URX4SXHMQL5A","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"URX4SXHMQL5AVRFV","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"URX4SXHM","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:2a1152bc501e635d2db6fc8a55bf2ed69ae31eae26c18c5f6a964ae754aae526","target":"graph","created_at":"2026-05-18T00:11:38Z","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 investigate the carrier-envelope phase and intensity dependence of the longitudinal momentum distribution of photoelectrons resulting from above-threshold ionization of argon by few-cycle laser pulses. The intensity of the pulses with a center wavelength of 750\\,nm is varied in a range between $0.7 \\times 10^{14}$ and $\\unit[5.5 \\times 10^{14}]{W/cm^2}$. Our measurements reveal a prominent maximum in the carrier-envelope phase-dependent asymmetry at photoelectron energies of 2\\,$U_\\mathrm{P}$ ($U_\\mathrm{P}$ being the ponderomotive potential), that is persistent over the entire intensity ra","authors_text":"B. Bergues, C. Burger, M. Arbeiter, M.F. Kling, M. K\\\"ubel, Nora G. Kling, R. Moshammer, T. Fennel, T. Pischke","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2018-01-23T12:35:30Z","title":"Phase- and intensity-resolved measurements of above threshold ionization by few-cycle pulses"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.07511","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:a62cf2e9f4c49893f097a1b087712c77249463f443865514cc28651361618eeb","target":"record","created_at":"2026-05-18T00:11:38Z","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":"6ff2cdb9aba8a58baaf8aac475ce04878d952771ce32cb9381e267050fe378ae","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2018-01-23T12:35:30Z","title_canon_sha256":"f69640001d3401be110916fb36f8b45e1bc0bd0104b79d8cbf7e037d3681477d"},"schema_version":"1.0","source":{"id":"1801.07511","kind":"arxiv","version":2}},"canonical_sha256":"a46fc95cec82fa0ac4b5e09223a287890ebf03c7d17ca670789e36dbb54bd448","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a46fc95cec82fa0ac4b5e09223a287890ebf03c7d17ca670789e36dbb54bd448","first_computed_at":"2026-05-18T00:11:38.782609Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:11:38.782609Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BPs2CyI8BIxBD1jelJRW3+JDSCZ3QBsxp3UwiOQUkoU2TGGga9gwbL4/gCI4sj0TmLiCkigMhRvWI4fIj9VnCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:11:38.783365Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.07511","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a62cf2e9f4c49893f097a1b087712c77249463f443865514cc28651361618eeb","sha256:2a1152bc501e635d2db6fc8a55bf2ed69ae31eae26c18c5f6a964ae754aae526"],"state_sha256":"434b755a3099261f0093406d728414d0bcf85aa1c1d3550f89137021d3db9549"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k9iIcXwOoAfaHHEQHHPbR81bxuq3uPKmkW6vDYvJJg256Ho7D93f5VMS+s8xejETFvip4r3pddKDE9VZw9BkCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:16:30.221407Z","bundle_sha256":"75d0b2bae37db81dc338d224fbdf52a45e84eb0094dc4fce6d0a2541384c5cc8"}}