{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:SBI4MM4M5SXI6PEY4XY565QMQI","short_pith_number":"pith:SBI4MM4M","canonical_record":{"source":{"id":"1706.05237","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-06-12T12:04:07Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"98d248b0280f76cab58317fe7c60ee609b90554f95cc05356131a9fe4fd0b3f0","abstract_canon_sha256":"eede61dfe1d43a0239652cdb5017aef153014a4b49ba38d57b4eaadf935a56dd"},"schema_version":"1.0"},"canonical_sha256":"9051c6338cecae8f3c98e5f1df760c821a08f078e59533ad0b267d56948e63d6","source":{"kind":"arxiv","id":"1706.05237","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.05237","created_at":"2026-05-18T00:42:14Z"},{"alias_kind":"arxiv_version","alias_value":"1706.05237v1","created_at":"2026-05-18T00:42:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.05237","created_at":"2026-05-18T00:42:14Z"},{"alias_kind":"pith_short_12","alias_value":"SBI4MM4M5SXI","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"SBI4MM4M5SXI6PEY","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"SBI4MM4M","created_at":"2026-05-18T12:31:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:SBI4MM4M5SXI6PEY4XY565QMQI","target":"record","payload":{"canonical_record":{"source":{"id":"1706.05237","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-06-12T12:04:07Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"98d248b0280f76cab58317fe7c60ee609b90554f95cc05356131a9fe4fd0b3f0","abstract_canon_sha256":"eede61dfe1d43a0239652cdb5017aef153014a4b49ba38d57b4eaadf935a56dd"},"schema_version":"1.0"},"canonical_sha256":"9051c6338cecae8f3c98e5f1df760c821a08f078e59533ad0b267d56948e63d6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:14.359524Z","signature_b64":"Ujjh2fuSE1vaPPutxJ8hNv+6w43tHmFjpY3NZeAdj0teIM0hzVvo+ZquuWIxzPD7AVqKkmKM72XbqUO4w/8HBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9051c6338cecae8f3c98e5f1df760c821a08f078e59533ad0b267d56948e63d6","last_reissued_at":"2026-05-18T00:42:14.359031Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:14.359031Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1706.05237","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":"2026-05-18T00:42:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ra3xJFiMgSY5glzNgH3dWXwEHJK361XZ3xaUg8QJHM0Ryfqn92PeRZdoGWlMdp3JrggkSaDslBE7+kpKqEppAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T18:17:54.275143Z"},"content_sha256":"0f840094b4155b53d5f1393d121c80faf1ed8ddd4b0860a68cb03fce37e611f2","schema_version":"1.0","event_id":"sha256:0f840094b4155b53d5f1393d121c80faf1ed8ddd4b0860a68cb03fce37e611f2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:SBI4MM4M5SXI6PEY4XY565QMQI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Two-color pump-probe interferometry of ultra-fast light-matter interaction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"physics.optics","authors_text":"Satoshi Hasegawa, Saulius Juodkazis, Shin-ichi Fukuda, Yoshio Hayasaki","submitted_at":"2017-06-12T12:04:07Z","abstract_excerpt":"Two-color side-view probing of light-matter interaction from minute focal volume of a tightly focused fs-laser pump pulse reveals charge dynamics with high 0.9 micrometers optical resolution and approximately ~20 fs temporal resolution in coincidence between pump and probe pulses. Use of two colors is advantageous for probing optically excited plasma regions with different density. Holographical digital focusing and spatial filtering were implemented to obtain the same resolution images for subsequent Fourier analysis. Fast electron removal with time constant ~150 fs was resolved and is consis"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.05237","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":"2026-05-18T00:42:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"19S+9ggKtiIk+JlWLOzC95QQ5bh8FElw0QjGstpKj7DvbVh/u0tRKg6YdFmDQTMm/TMc+PPUDxp8iMSs2hJcCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T18:17:54.275514Z"},"content_sha256":"064864a3fe5e86164578a6b95dbd91555d563821ea5265f6e44aae5725c245ce","schema_version":"1.0","event_id":"sha256:064864a3fe5e86164578a6b95dbd91555d563821ea5265f6e44aae5725c245ce"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SBI4MM4M5SXI6PEY4XY565QMQI/bundle.json","state_url":"https://pith.science/pith/SBI4MM4M5SXI6PEY4XY565QMQI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SBI4MM4M5SXI6PEY4XY565QMQI/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":"2026-06-29T18:17:54Z","links":{"resolver":"https://pith.science/pith/SBI4MM4M5SXI6PEY4XY565QMQI","bundle":"https://pith.science/pith/SBI4MM4M5SXI6PEY4XY565QMQI/bundle.json","state":"https://pith.science/pith/SBI4MM4M5SXI6PEY4XY565QMQI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SBI4MM4M5SXI6PEY4XY565QMQI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:SBI4MM4M5SXI6PEY4XY565QMQI","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":"eede61dfe1d43a0239652cdb5017aef153014a4b49ba38d57b4eaadf935a56dd","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-06-12T12:04:07Z","title_canon_sha256":"98d248b0280f76cab58317fe7c60ee609b90554f95cc05356131a9fe4fd0b3f0"},"schema_version":"1.0","source":{"id":"1706.05237","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.05237","created_at":"2026-05-18T00:42:14Z"},{"alias_kind":"arxiv_version","alias_value":"1706.05237v1","created_at":"2026-05-18T00:42:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.05237","created_at":"2026-05-18T00:42:14Z"},{"alias_kind":"pith_short_12","alias_value":"SBI4MM4M5SXI","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"SBI4MM4M5SXI6PEY","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"SBI4MM4M","created_at":"2026-05-18T12:31:43Z"}],"graph_snapshots":[{"event_id":"sha256:064864a3fe5e86164578a6b95dbd91555d563821ea5265f6e44aae5725c245ce","target":"graph","created_at":"2026-05-18T00:42:14Z","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":"Two-color side-view probing of light-matter interaction from minute focal volume of a tightly focused fs-laser pump pulse reveals charge dynamics with high 0.9 micrometers optical resolution and approximately ~20 fs temporal resolution in coincidence between pump and probe pulses. Use of two colors is advantageous for probing optically excited plasma regions with different density. Holographical digital focusing and spatial filtering were implemented to obtain the same resolution images for subsequent Fourier analysis. Fast electron removal with time constant ~150 fs was resolved and is consis","authors_text":"Satoshi Hasegawa, Saulius Juodkazis, Shin-ichi Fukuda, Yoshio Hayasaki","cross_cats":["physics.app-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-06-12T12:04:07Z","title":"Two-color pump-probe interferometry of ultra-fast light-matter interaction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.05237","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":"sha256:0f840094b4155b53d5f1393d121c80faf1ed8ddd4b0860a68cb03fce37e611f2","target":"record","created_at":"2026-05-18T00:42:14Z","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":"eede61dfe1d43a0239652cdb5017aef153014a4b49ba38d57b4eaadf935a56dd","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-06-12T12:04:07Z","title_canon_sha256":"98d248b0280f76cab58317fe7c60ee609b90554f95cc05356131a9fe4fd0b3f0"},"schema_version":"1.0","source":{"id":"1706.05237","kind":"arxiv","version":1}},"canonical_sha256":"9051c6338cecae8f3c98e5f1df760c821a08f078e59533ad0b267d56948e63d6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9051c6338cecae8f3c98e5f1df760c821a08f078e59533ad0b267d56948e63d6","first_computed_at":"2026-05-18T00:42:14.359031Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:42:14.359031Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ujjh2fuSE1vaPPutxJ8hNv+6w43tHmFjpY3NZeAdj0teIM0hzVvo+ZquuWIxzPD7AVqKkmKM72XbqUO4w/8HBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:42:14.359524Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.05237","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0f840094b4155b53d5f1393d121c80faf1ed8ddd4b0860a68cb03fce37e611f2","sha256:064864a3fe5e86164578a6b95dbd91555d563821ea5265f6e44aae5725c245ce"],"state_sha256":"5665a09d985c1fec07d0ac550d2b722451c6a353076e8e68ac25807ec57431bb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JjjH6OO0hhkORBFnidt3wJFweDWSoTXNL7+bh4jSbXtaA9oZjxtRq2EDWDKA4i39ELIk+xvol1pLqDWy7mBbCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-29T18:17:54.277782Z","bundle_sha256":"c197eaf8fadec706229c7c22f873f6c9c1888739b6259d4ec794e705b615a39d"}}