{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:VW45J2PWOHDLDSSWYL4UFZJD4M","short_pith_number":"pith:VW45J2PW","canonical_record":{"source":{"id":"1804.07194","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"physics.optics","submitted_at":"2018-04-06T11:23:00Z","cross_cats_sorted":["cond-mat.soft","physics.comp-ph","physics.flu-dyn"],"title_canon_sha256":"1bf450299dda4ee0c2f1d64b7984584e007b534403c280ff18313652945b1343","abstract_canon_sha256":"cec46669be6a086c4560ad486073988dc152c832478e06293536d26299660b95"},"schema_version":"1.0"},"canonical_sha256":"adb9d4e9f671c6b1ca56c2f942e523e332f1a3c42fc524f21d3fd5546b74d155","source":{"kind":"arxiv","id":"1804.07194","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.07194","created_at":"2026-05-17T23:56:10Z"},{"alias_kind":"arxiv_version","alias_value":"1804.07194v2","created_at":"2026-05-17T23:56:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.07194","created_at":"2026-05-17T23:56:10Z"},{"alias_kind":"pith_short_12","alias_value":"VW45J2PWOHDL","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VW45J2PWOHDLDSSW","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VW45J2PW","created_at":"2026-05-18T12:32:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:VW45J2PWOHDLDSSWYL4UFZJD4M","target":"record","payload":{"canonical_record":{"source":{"id":"1804.07194","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"physics.optics","submitted_at":"2018-04-06T11:23:00Z","cross_cats_sorted":["cond-mat.soft","physics.comp-ph","physics.flu-dyn"],"title_canon_sha256":"1bf450299dda4ee0c2f1d64b7984584e007b534403c280ff18313652945b1343","abstract_canon_sha256":"cec46669be6a086c4560ad486073988dc152c832478e06293536d26299660b95"},"schema_version":"1.0"},"canonical_sha256":"adb9d4e9f671c6b1ca56c2f942e523e332f1a3c42fc524f21d3fd5546b74d155","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:56:10.195340Z","signature_b64":"NWOsfVmy4V6jkb8HCIrSxs8mS1WhJIMcfBTUnJUw6fhmQJLoPXYtHobZtjW+KSF1wPE9A3YKracQdaK/1ireDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"adb9d4e9f671c6b1ca56c2f942e523e332f1a3c42fc524f21d3fd5546b74d155","last_reissued_at":"2026-05-17T23:56:10.194651Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:56:10.194651Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.07194","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":"2026-05-17T23:56:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9G3PyP5kN8rq55TKHuydfoO0X8fzY52js1R09r7bAvS7svKYxpOyMa1F+Iz8uLiGA1ViWbcmrzjMDuJKWVKYDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T08:28:02.721127Z"},"content_sha256":"28544808700cd15021ac3ab6ac7dcf504b8967308e2d82e76ac4051f0ed5c515","schema_version":"1.0","event_id":"sha256:28544808700cd15021ac3ab6ac7dcf504b8967308e2d82e76ac4051f0ed5c515"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:VW45J2PWOHDLDSSWYL4UFZJD4M","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Juggling with light","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":["cond-mat.soft","physics.comp-ph","physics.flu-dyn"],"primary_cat":"physics.optics","authors_text":"Albert Johann Bae, Dag Hanstorp, Kelken Chang","submitted_at":"2018-04-06T11:23:00Z","abstract_excerpt":"We discovered that when a pair of small particles is optically levitated, the particles execute a dance whose motion resembles the orbits of balls being juggled. This motion lies in a plane perpendicular to the polarization of the incident light. We ascribe the dance to a mechanism by which the dominant force on each particle cyclically alternates between radiation pressure and gravity as each particle takes turns eclipsing the other. We explain the plane of motion by considering the anisotropic scattering of polarized light at a curved interface."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.07194","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":"2026-05-17T23:56:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DzB8fYQcSLOhlYuBbZZeNB39r2oOwz/P688S0UEjfPEYK6fVNU2kQWq67RKEjyPqWd1PDIKXcaJWcUk7dqoDDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T08:28:02.722372Z"},"content_sha256":"d60b5b81df18ead585b96e95de7d45c5a7a9d3c59351731d27daa21f8371a371","schema_version":"1.0","event_id":"sha256:d60b5b81df18ead585b96e95de7d45c5a7a9d3c59351731d27daa21f8371a371"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VW45J2PWOHDLDSSWYL4UFZJD4M/bundle.json","state_url":"https://pith.science/pith/VW45J2PWOHDLDSSWYL4UFZJD4M/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VW45J2PWOHDLDSSWYL4UFZJD4M/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":"2026-06-11T08:28:02Z","links":{"resolver":"https://pith.science/pith/VW45J2PWOHDLDSSWYL4UFZJD4M","bundle":"https://pith.science/pith/VW45J2PWOHDLDSSWYL4UFZJD4M/bundle.json","state":"https://pith.science/pith/VW45J2PWOHDLDSSWYL4UFZJD4M/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VW45J2PWOHDLDSSWYL4UFZJD4M/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:VW45J2PWOHDLDSSWYL4UFZJD4M","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":"cec46669be6a086c4560ad486073988dc152c832478e06293536d26299660b95","cross_cats_sorted":["cond-mat.soft","physics.comp-ph","physics.flu-dyn"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"physics.optics","submitted_at":"2018-04-06T11:23:00Z","title_canon_sha256":"1bf450299dda4ee0c2f1d64b7984584e007b534403c280ff18313652945b1343"},"schema_version":"1.0","source":{"id":"1804.07194","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.07194","created_at":"2026-05-17T23:56:10Z"},{"alias_kind":"arxiv_version","alias_value":"1804.07194v2","created_at":"2026-05-17T23:56:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.07194","created_at":"2026-05-17T23:56:10Z"},{"alias_kind":"pith_short_12","alias_value":"VW45J2PWOHDL","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VW45J2PWOHDLDSSW","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VW45J2PW","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:d60b5b81df18ead585b96e95de7d45c5a7a9d3c59351731d27daa21f8371a371","target":"graph","created_at":"2026-05-17T23:56:10Z","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 discovered that when a pair of small particles is optically levitated, the particles execute a dance whose motion resembles the orbits of balls being juggled. This motion lies in a plane perpendicular to the polarization of the incident light. We ascribe the dance to a mechanism by which the dominant force on each particle cyclically alternates between radiation pressure and gravity as each particle takes turns eclipsing the other. We explain the plane of motion by considering the anisotropic scattering of polarized light at a curved interface.","authors_text":"Albert Johann Bae, Dag Hanstorp, Kelken Chang","cross_cats":["cond-mat.soft","physics.comp-ph","physics.flu-dyn"],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"physics.optics","submitted_at":"2018-04-06T11:23:00Z","title":"Juggling with light"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.07194","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":"sha256:28544808700cd15021ac3ab6ac7dcf504b8967308e2d82e76ac4051f0ed5c515","target":"record","created_at":"2026-05-17T23:56:10Z","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":"cec46669be6a086c4560ad486073988dc152c832478e06293536d26299660b95","cross_cats_sorted":["cond-mat.soft","physics.comp-ph","physics.flu-dyn"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"physics.optics","submitted_at":"2018-04-06T11:23:00Z","title_canon_sha256":"1bf450299dda4ee0c2f1d64b7984584e007b534403c280ff18313652945b1343"},"schema_version":"1.0","source":{"id":"1804.07194","kind":"arxiv","version":2}},"canonical_sha256":"adb9d4e9f671c6b1ca56c2f942e523e332f1a3c42fc524f21d3fd5546b74d155","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"adb9d4e9f671c6b1ca56c2f942e523e332f1a3c42fc524f21d3fd5546b74d155","first_computed_at":"2026-05-17T23:56:10.194651Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:10.194651Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NWOsfVmy4V6jkb8HCIrSxs8mS1WhJIMcfBTUnJUw6fhmQJLoPXYtHobZtjW+KSF1wPE9A3YKracQdaK/1ireDg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:10.195340Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.07194","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:28544808700cd15021ac3ab6ac7dcf504b8967308e2d82e76ac4051f0ed5c515","sha256:d60b5b81df18ead585b96e95de7d45c5a7a9d3c59351731d27daa21f8371a371"],"state_sha256":"02d440a93a8d7475fa3ed3b13060b18a3beda9096ec3ba30a3b0abca98d34602"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mFRd1bN86sPw5kWXGg7tNXFeeNBiJSJFYAV9NoJszoHyEc50EIBtn0kYbZL/jGiTfxggGg8AWrnRJM6O4x7MBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T08:28:02.726802Z","bundle_sha256":"288ec3d8587880725e9a5e57804b0fe4e718ebd100c81e8e6c027009787a2e87"}}