{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:G5TAINFX3JF2ZZI5YL555P54L6","short_pith_number":"pith:G5TAINFX","canonical_record":{"source":{"id":"1408.1680","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-08-07T18:53:56Z","cross_cats_sorted":[],"title_canon_sha256":"f0bfe860e3f083874de1c33c79c30bd293eb5cc09e2557d61d6905d1eec5d5fe","abstract_canon_sha256":"026037121c49be3430670bdd5fee59b7c4169b0938a26d348b593a63d9138dff"},"schema_version":"1.0"},"canonical_sha256":"37660434b7da4bace51dc2fbdebfbc5f8a50a371e9072181cf4ee3c923661c19","source":{"kind":"arxiv","id":"1408.1680","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.1680","created_at":"2026-05-18T02:19:25Z"},{"alias_kind":"arxiv_version","alias_value":"1408.1680v1","created_at":"2026-05-18T02:19:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.1680","created_at":"2026-05-18T02:19:25Z"},{"alias_kind":"pith_short_12","alias_value":"G5TAINFX3JF2","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"G5TAINFX3JF2ZZI5","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"G5TAINFX","created_at":"2026-05-18T12:28:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:G5TAINFX3JF2ZZI5YL555P54L6","target":"record","payload":{"canonical_record":{"source":{"id":"1408.1680","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-08-07T18:53:56Z","cross_cats_sorted":[],"title_canon_sha256":"f0bfe860e3f083874de1c33c79c30bd293eb5cc09e2557d61d6905d1eec5d5fe","abstract_canon_sha256":"026037121c49be3430670bdd5fee59b7c4169b0938a26d348b593a63d9138dff"},"schema_version":"1.0"},"canonical_sha256":"37660434b7da4bace51dc2fbdebfbc5f8a50a371e9072181cf4ee3c923661c19","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:19:25.476458Z","signature_b64":"Frkr0aBmxF8HfsBNOuMxDN3FOL5O0eAE8/h1ZaTfEneWrkcPDhsbUjghHgk2iYjS4pOX+F4uEAyaFmbnmAO7CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"37660434b7da4bace51dc2fbdebfbc5f8a50a371e9072181cf4ee3c923661c19","last_reissued_at":"2026-05-18T02:19:25.475779Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:19:25.475779Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.1680","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":"2026-05-18T02:19:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YWPZ4I6WBco0VyxuG5cbJVYMUOlikZVugEtuzb8eVx1paTRsI5THOUiD5PkEQLFZGetpiqxFXdIvpXBphuB8Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:09:38.725473Z"},"content_sha256":"17adbb912103d36853923b0d519ec7a090718504f628c2df242ec139c7a1bd70","schema_version":"1.0","event_id":"sha256:17adbb912103d36853923b0d519ec7a090718504f628c2df242ec139c7a1bd70"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:G5TAINFX3JF2ZZI5YL555P54L6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Slow reflection and two-photon generation of microcavity exciton-polaritons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Chitra Gautham, David W. Snoke, Ken West, Loren Pfeiffer, Mark Steger","submitted_at":"2014-08-07T18:53:56Z","abstract_excerpt":"We resonantly inject polaritons into a microcavity and track them in time and space as they feel a force due to the cavity gradient. This is an example of \"slow reflection,\" as the polaritons, which can be viewed as renormalized photons, slow down to zero velocity and then move back in the opposite direction. These measurements accurately measure the lifetime of the polaritons in our samples, which is 180 $\\pm$ 10 ps, corresponding to a cavity leakage time of 135 ps and a cavity $Q$ of 320,000. Such long-lived polaritons propagate millimeters in these wedge-shaped microcavities. Additionally, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.1680","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":"2026-05-18T02:19:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XqlVJ/KUgzsvBgut71DHXdzbzFqmjKCe4Vd74qgBo9vQZ7G/tWVotMF9K/Moktc38H7fXcvBi51ylDlExStWAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:09:38.726191Z"},"content_sha256":"7c7e610d6dfbcfbc89949d66847183acb0deb8d77068912514f3fda9cbecdf17","schema_version":"1.0","event_id":"sha256:7c7e610d6dfbcfbc89949d66847183acb0deb8d77068912514f3fda9cbecdf17"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G5TAINFX3JF2ZZI5YL555P54L6/bundle.json","state_url":"https://pith.science/pith/G5TAINFX3JF2ZZI5YL555P54L6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G5TAINFX3JF2ZZI5YL555P54L6/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":"2026-05-25T22:09:38Z","links":{"resolver":"https://pith.science/pith/G5TAINFX3JF2ZZI5YL555P54L6","bundle":"https://pith.science/pith/G5TAINFX3JF2ZZI5YL555P54L6/bundle.json","state":"https://pith.science/pith/G5TAINFX3JF2ZZI5YL555P54L6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G5TAINFX3JF2ZZI5YL555P54L6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:G5TAINFX3JF2ZZI5YL555P54L6","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":"026037121c49be3430670bdd5fee59b7c4169b0938a26d348b593a63d9138dff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-08-07T18:53:56Z","title_canon_sha256":"f0bfe860e3f083874de1c33c79c30bd293eb5cc09e2557d61d6905d1eec5d5fe"},"schema_version":"1.0","source":{"id":"1408.1680","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.1680","created_at":"2026-05-18T02:19:25Z"},{"alias_kind":"arxiv_version","alias_value":"1408.1680v1","created_at":"2026-05-18T02:19:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.1680","created_at":"2026-05-18T02:19:25Z"},{"alias_kind":"pith_short_12","alias_value":"G5TAINFX3JF2","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"G5TAINFX3JF2ZZI5","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"G5TAINFX","created_at":"2026-05-18T12:28:28Z"}],"graph_snapshots":[{"event_id":"sha256:7c7e610d6dfbcfbc89949d66847183acb0deb8d77068912514f3fda9cbecdf17","target":"graph","created_at":"2026-05-18T02:19:25Z","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 resonantly inject polaritons into a microcavity and track them in time and space as they feel a force due to the cavity gradient. This is an example of \"slow reflection,\" as the polaritons, which can be viewed as renormalized photons, slow down to zero velocity and then move back in the opposite direction. These measurements accurately measure the lifetime of the polaritons in our samples, which is 180 $\\pm$ 10 ps, corresponding to a cavity leakage time of 135 ps and a cavity $Q$ of 320,000. Such long-lived polaritons propagate millimeters in these wedge-shaped microcavities. Additionally, ","authors_text":"Chitra Gautham, David W. Snoke, Ken West, Loren Pfeiffer, Mark Steger","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-08-07T18:53:56Z","title":"Slow reflection and two-photon generation of microcavity exciton-polaritons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.1680","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":"sha256:17adbb912103d36853923b0d519ec7a090718504f628c2df242ec139c7a1bd70","target":"record","created_at":"2026-05-18T02:19:25Z","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":"026037121c49be3430670bdd5fee59b7c4169b0938a26d348b593a63d9138dff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-08-07T18:53:56Z","title_canon_sha256":"f0bfe860e3f083874de1c33c79c30bd293eb5cc09e2557d61d6905d1eec5d5fe"},"schema_version":"1.0","source":{"id":"1408.1680","kind":"arxiv","version":1}},"canonical_sha256":"37660434b7da4bace51dc2fbdebfbc5f8a50a371e9072181cf4ee3c923661c19","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"37660434b7da4bace51dc2fbdebfbc5f8a50a371e9072181cf4ee3c923661c19","first_computed_at":"2026-05-18T02:19:25.475779Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:19:25.475779Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Frkr0aBmxF8HfsBNOuMxDN3FOL5O0eAE8/h1ZaTfEneWrkcPDhsbUjghHgk2iYjS4pOX+F4uEAyaFmbnmAO7CA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:19:25.476458Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.1680","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:17adbb912103d36853923b0d519ec7a090718504f628c2df242ec139c7a1bd70","sha256:7c7e610d6dfbcfbc89949d66847183acb0deb8d77068912514f3fda9cbecdf17"],"state_sha256":"3fa0606f604142fcdb8b0aa6ba43e4ac5b61d50a84f196f8b7fab1d99497be38"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l0JYEapK8a4YBJQjunakC78jM2LKhqaM/2gRSdRk20CzpopBwQ9tWiO7UbtRnG5xVkLb5tO9PuX3I/uBMyHoBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T22:09:38.729188Z","bundle_sha256":"72498142c48b791aa77c21dc5adb1bd9feca3cbff89b773ef6baba09c4c8debf"}}