{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:OZW6UKIFJXH6IOQSNUGJBKKQNO","short_pith_number":"pith:OZW6UKIF","canonical_record":{"source":{"id":"1312.4469","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-12-16T19:15:46Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"7f44da3942329cc706a11174661894f0f07e7710886c153a3ef33be072228770","abstract_canon_sha256":"dd0f5c5658922604e544277d96a20bb027a51daf7cfb7e8bbf78c6ff87463eed"},"schema_version":"1.0"},"canonical_sha256":"766dea29054dcfe43a126d0c90a9506bbfb47043ef32459e1bcbea4085b5e917","source":{"kind":"arxiv","id":"1312.4469","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.4469","created_at":"2026-05-18T02:51:56Z"},{"alias_kind":"arxiv_version","alias_value":"1312.4469v1","created_at":"2026-05-18T02:51:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.4469","created_at":"2026-05-18T02:51:56Z"},{"alias_kind":"pith_short_12","alias_value":"OZW6UKIFJXH6","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"OZW6UKIFJXH6IOQS","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"OZW6UKIF","created_at":"2026-05-18T12:27:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:OZW6UKIFJXH6IOQSNUGJBKKQNO","target":"record","payload":{"canonical_record":{"source":{"id":"1312.4469","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-12-16T19:15:46Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"7f44da3942329cc706a11174661894f0f07e7710886c153a3ef33be072228770","abstract_canon_sha256":"dd0f5c5658922604e544277d96a20bb027a51daf7cfb7e8bbf78c6ff87463eed"},"schema_version":"1.0"},"canonical_sha256":"766dea29054dcfe43a126d0c90a9506bbfb47043ef32459e1bcbea4085b5e917","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:51:56.778954Z","signature_b64":"6NA6rTVJDPwDYTAKFIpdmOak+h2rvnMDxaOdUtTkMMn6d+kDx7kMmg6ynLPBhoc98VsjTQkb35f86oKybir4CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"766dea29054dcfe43a126d0c90a9506bbfb47043ef32459e1bcbea4085b5e917","last_reissued_at":"2026-05-18T02:51:56.778459Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:51:56.778459Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.4469","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":"2026-05-18T02:51:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ldawHSCS2igDfjhNPBQQjrD76WWQQ83b8TYYSg/893+Ydi3tIZ7hc2jYxTyCL12yjhhr/I7lXKRq8iT58aT3CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:16:45.651603Z"},"content_sha256":"bd6054282628e9f093252f2c4f8ed38e928befe3ec41b2dd68d0cb8f425ca4e5","schema_version":"1.0","event_id":"sha256:bd6054282628e9f093252f2c4f8ed38e928befe3ec41b2dd68d0cb8f425ca4e5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:OZW6UKIFJXH6IOQSNUGJBKKQNO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measurement of sub-pulse-width temporal delays via spectral interference induced by weak value amplification","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"Davide Janner, Juan P. Torres, Luis Jose Salazar-Serrano, Nicolas Brunner, Valerio Pruneri","submitted_at":"2013-12-16T19:15:46Z","abstract_excerpt":"We demonstrate experimentally a scheme to measure small temporal delays, much smaller than the pulse width, between optical pulses. Specifically, we observe an interference effect, based on the concepts of quantum weak measurements and weak value amplification, through which a sub-pulsewidth temporal delay between two femtosecond pulses induces a measurable shift of the central frequency of the pulse. The amount of frequency shift, and the accompanying losses of the measurement, can be tailored by post-selecting different states of polarization. Our scheme requires only spectrum measurements a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.4469","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":"2026-05-18T02:51:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rb0FIRaO/EULpFVJgYK8VWipYgV/4tMBnmbglrf/rUtyttgtqpknErTiGr0JzLxe/huwaDOvRpRIp05sAy5LCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:16:45.652305Z"},"content_sha256":"6625b4514492ec45446a6871570d814c69cb9f6b6743e71d1409794c3019522b","schema_version":"1.0","event_id":"sha256:6625b4514492ec45446a6871570d814c69cb9f6b6743e71d1409794c3019522b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OZW6UKIFJXH6IOQSNUGJBKKQNO/bundle.json","state_url":"https://pith.science/pith/OZW6UKIFJXH6IOQSNUGJBKKQNO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OZW6UKIFJXH6IOQSNUGJBKKQNO/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":"2026-05-25T20:16:45Z","links":{"resolver":"https://pith.science/pith/OZW6UKIFJXH6IOQSNUGJBKKQNO","bundle":"https://pith.science/pith/OZW6UKIFJXH6IOQSNUGJBKKQNO/bundle.json","state":"https://pith.science/pith/OZW6UKIFJXH6IOQSNUGJBKKQNO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OZW6UKIFJXH6IOQSNUGJBKKQNO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:OZW6UKIFJXH6IOQSNUGJBKKQNO","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":"dd0f5c5658922604e544277d96a20bb027a51daf7cfb7e8bbf78c6ff87463eed","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-12-16T19:15:46Z","title_canon_sha256":"7f44da3942329cc706a11174661894f0f07e7710886c153a3ef33be072228770"},"schema_version":"1.0","source":{"id":"1312.4469","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.4469","created_at":"2026-05-18T02:51:56Z"},{"alias_kind":"arxiv_version","alias_value":"1312.4469v1","created_at":"2026-05-18T02:51:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.4469","created_at":"2026-05-18T02:51:56Z"},{"alias_kind":"pith_short_12","alias_value":"OZW6UKIFJXH6","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"OZW6UKIFJXH6IOQS","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"OZW6UKIF","created_at":"2026-05-18T12:27:54Z"}],"graph_snapshots":[{"event_id":"sha256:6625b4514492ec45446a6871570d814c69cb9f6b6743e71d1409794c3019522b","target":"graph","created_at":"2026-05-18T02:51:56Z","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 demonstrate experimentally a scheme to measure small temporal delays, much smaller than the pulse width, between optical pulses. Specifically, we observe an interference effect, based on the concepts of quantum weak measurements and weak value amplification, through which a sub-pulsewidth temporal delay between two femtosecond pulses induces a measurable shift of the central frequency of the pulse. The amount of frequency shift, and the accompanying losses of the measurement, can be tailored by post-selecting different states of polarization. Our scheme requires only spectrum measurements a","authors_text":"Davide Janner, Juan P. Torres, Luis Jose Salazar-Serrano, Nicolas Brunner, Valerio Pruneri","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-12-16T19:15:46Z","title":"Measurement of sub-pulse-width temporal delays via spectral interference induced by weak value amplification"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.4469","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:bd6054282628e9f093252f2c4f8ed38e928befe3ec41b2dd68d0cb8f425ca4e5","target":"record","created_at":"2026-05-18T02:51:56Z","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":"dd0f5c5658922604e544277d96a20bb027a51daf7cfb7e8bbf78c6ff87463eed","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-12-16T19:15:46Z","title_canon_sha256":"7f44da3942329cc706a11174661894f0f07e7710886c153a3ef33be072228770"},"schema_version":"1.0","source":{"id":"1312.4469","kind":"arxiv","version":1}},"canonical_sha256":"766dea29054dcfe43a126d0c90a9506bbfb47043ef32459e1bcbea4085b5e917","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"766dea29054dcfe43a126d0c90a9506bbfb47043ef32459e1bcbea4085b5e917","first_computed_at":"2026-05-18T02:51:56.778459Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:51:56.778459Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6NA6rTVJDPwDYTAKFIpdmOak+h2rvnMDxaOdUtTkMMn6d+kDx7kMmg6ynLPBhoc98VsjTQkb35f86oKybir4CA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:51:56.778954Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.4469","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bd6054282628e9f093252f2c4f8ed38e928befe3ec41b2dd68d0cb8f425ca4e5","sha256:6625b4514492ec45446a6871570d814c69cb9f6b6743e71d1409794c3019522b"],"state_sha256":"1b495903ba5db0619c6ed632b5e3e8b98f04899d8b14ca791330e195c384ae5c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zqqeU79LquSzuglMkgSR87eS5iIz0gmgP4BWGpDYLtbN5SJ3HY5zC4f11XKKWGD3IAZTUTwZ0v79fXogMx9vCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T20:16:45.656591Z","bundle_sha256":"60d4121bafe1937398369f948af7d5f81e314cc5178e4ad7a8e6b883c727fa6f"}}