{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:ZARM4TTQZN7AFAWJA3IEQ4OKRD","short_pith_number":"pith:ZARM4TTQ","canonical_record":{"source":{"id":"1712.09501","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-12-27T05:49:07Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"83ca40d603983c3677a6c0ee9e2435ccf6c65d4e2a12a7e3aba128ce4be2bfc2","abstract_canon_sha256":"a5eacbd3aab987687c51c68bcacb7ef0ca73bf6904ab6de7458b030ec416e8c9"},"schema_version":"1.0"},"canonical_sha256":"c822ce4e70cb7e0282c906d04871ca88f15ad9fae80d33560409f950d79ac723","source":{"kind":"arxiv","id":"1712.09501","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.09501","created_at":"2026-05-18T00:12:48Z"},{"alias_kind":"arxiv_version","alias_value":"1712.09501v4","created_at":"2026-05-18T00:12:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.09501","created_at":"2026-05-18T00:12:48Z"},{"alias_kind":"pith_short_12","alias_value":"ZARM4TTQZN7A","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZARM4TTQZN7AFAWJ","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZARM4TTQ","created_at":"2026-05-18T12:31:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:ZARM4TTQZN7AFAWJA3IEQ4OKRD","target":"record","payload":{"canonical_record":{"source":{"id":"1712.09501","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-12-27T05:49:07Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"83ca40d603983c3677a6c0ee9e2435ccf6c65d4e2a12a7e3aba128ce4be2bfc2","abstract_canon_sha256":"a5eacbd3aab987687c51c68bcacb7ef0ca73bf6904ab6de7458b030ec416e8c9"},"schema_version":"1.0"},"canonical_sha256":"c822ce4e70cb7e0282c906d04871ca88f15ad9fae80d33560409f950d79ac723","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:12:48.477826Z","signature_b64":"qgOHUtux/GXZuXXFndicHJiQLE7tABbyOnxPi3poRGXzH1uXCwyyqW2+uOH/abhY4dDsHbcQH+4a41wwSBsuCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c822ce4e70cb7e0282c906d04871ca88f15ad9fae80d33560409f950d79ac723","last_reissued_at":"2026-05-18T00:12:48.477231Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:12:48.477231Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.09501","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:12:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eKP37R6Q1O02GXry8JuTJfR3A+YFKM1Snhs/foqKvlo96GeGwsfmNdtNwkN+JwxfkDSjFcY35JAhyDflm4ZEDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T22:14:04.762498Z"},"content_sha256":"11286f80a029a9ed142f11774ddfe59a547cde96aa6ab71c122ce535e3ae5ec1","schema_version":"1.0","event_id":"sha256:11286f80a029a9ed142f11774ddfe59a547cde96aa6ab71c122ce535e3ae5ec1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:ZARM4TTQZN7AFAWJA3IEQ4OKRD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Experimental Realization of a Relativistic Harmonic Oscillator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"David M. Weld, Kevin Singh, Kurt M. Fujiwara, Mikhail Lipatov, Ruwan Senaratne, Shankari V. Rajagopal, Toshihiko Shimasaki, Zachary A. Geiger","submitted_at":"2017-12-27T05:49:07Z","abstract_excerpt":"We report the experimental study of a harmonic oscillator in the relativistic regime. The oscillator is composed of Bose-condensed lithium atoms in the third band of an optical lattice, which have an energy-momentum relation nearly identical to that of a massive relativistic particle, with an effective mass reduced below the bare value and a greatly reduced effective speed of light. Imaging the shape of oscillator trajectories at velocities up to 98% of the effective speed of light reveals a crossover from sinusoidal to nearly photon-like propagation. The existence of a maximum velocity causes"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.09501","kind":"arxiv","version":4},"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":"2026-05-18T00:12:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2Mv165CqPJPJXHFtekkBUOacRrFRreCnGmCPVf7lq0eOKWfPsqwrBKPOmv/aHrNnRnzSh6rLXrLlO6/q+OsLAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T22:14:04.762840Z"},"content_sha256":"ffe98e7c03807d7744a8cab5de460bb3535d50f8c00032dd0a3fff19d9fa41d5","schema_version":"1.0","event_id":"sha256:ffe98e7c03807d7744a8cab5de460bb3535d50f8c00032dd0a3fff19d9fa41d5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZARM4TTQZN7AFAWJA3IEQ4OKRD/bundle.json","state_url":"https://pith.science/pith/ZARM4TTQZN7AFAWJA3IEQ4OKRD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZARM4TTQZN7AFAWJA3IEQ4OKRD/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":"2026-06-08T22:14:04Z","links":{"resolver":"https://pith.science/pith/ZARM4TTQZN7AFAWJA3IEQ4OKRD","bundle":"https://pith.science/pith/ZARM4TTQZN7AFAWJA3IEQ4OKRD/bundle.json","state":"https://pith.science/pith/ZARM4TTQZN7AFAWJA3IEQ4OKRD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZARM4TTQZN7AFAWJA3IEQ4OKRD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:ZARM4TTQZN7AFAWJA3IEQ4OKRD","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":"a5eacbd3aab987687c51c68bcacb7ef0ca73bf6904ab6de7458b030ec416e8c9","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-12-27T05:49:07Z","title_canon_sha256":"83ca40d603983c3677a6c0ee9e2435ccf6c65d4e2a12a7e3aba128ce4be2bfc2"},"schema_version":"1.0","source":{"id":"1712.09501","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.09501","created_at":"2026-05-18T00:12:48Z"},{"alias_kind":"arxiv_version","alias_value":"1712.09501v4","created_at":"2026-05-18T00:12:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.09501","created_at":"2026-05-18T00:12:48Z"},{"alias_kind":"pith_short_12","alias_value":"ZARM4TTQZN7A","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZARM4TTQZN7AFAWJ","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZARM4TTQ","created_at":"2026-05-18T12:31:59Z"}],"graph_snapshots":[{"event_id":"sha256:ffe98e7c03807d7744a8cab5de460bb3535d50f8c00032dd0a3fff19d9fa41d5","target":"graph","created_at":"2026-05-18T00:12:48Z","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 report the experimental study of a harmonic oscillator in the relativistic regime. The oscillator is composed of Bose-condensed lithium atoms in the third band of an optical lattice, which have an energy-momentum relation nearly identical to that of a massive relativistic particle, with an effective mass reduced below the bare value and a greatly reduced effective speed of light. Imaging the shape of oscillator trajectories at velocities up to 98% of the effective speed of light reveals a crossover from sinusoidal to nearly photon-like propagation. The existence of a maximum velocity causes","authors_text":"David M. Weld, Kevin Singh, Kurt M. Fujiwara, Mikhail Lipatov, Ruwan Senaratne, Shankari V. Rajagopal, Toshihiko Shimasaki, Zachary A. Geiger","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-12-27T05:49:07Z","title":"Experimental Realization of a Relativistic Harmonic Oscillator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.09501","kind":"arxiv","version":4},"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":"sha256:11286f80a029a9ed142f11774ddfe59a547cde96aa6ab71c122ce535e3ae5ec1","target":"record","created_at":"2026-05-18T00:12:48Z","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":"a5eacbd3aab987687c51c68bcacb7ef0ca73bf6904ab6de7458b030ec416e8c9","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-12-27T05:49:07Z","title_canon_sha256":"83ca40d603983c3677a6c0ee9e2435ccf6c65d4e2a12a7e3aba128ce4be2bfc2"},"schema_version":"1.0","source":{"id":"1712.09501","kind":"arxiv","version":4}},"canonical_sha256":"c822ce4e70cb7e0282c906d04871ca88f15ad9fae80d33560409f950d79ac723","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c822ce4e70cb7e0282c906d04871ca88f15ad9fae80d33560409f950d79ac723","first_computed_at":"2026-05-18T00:12:48.477231Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:12:48.477231Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qgOHUtux/GXZuXXFndicHJiQLE7tABbyOnxPi3poRGXzH1uXCwyyqW2+uOH/abhY4dDsHbcQH+4a41wwSBsuCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:12:48.477826Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.09501","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:11286f80a029a9ed142f11774ddfe59a547cde96aa6ab71c122ce535e3ae5ec1","sha256:ffe98e7c03807d7744a8cab5de460bb3535d50f8c00032dd0a3fff19d9fa41d5"],"state_sha256":"50ec3d6d709e060da74393445954a32c43c9d084a3a00f1c2867f73a6600ac76"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Yz/Ahp2aIHgTpwWSp3FrPvTy0ES4ZJMxsnYF62dDBB0f7zh6LLvjhu1gR7KvFPeBWpxGJRSr7vQzx+JT99UHCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T22:14:04.764737Z","bundle_sha256":"4824284858840fec9a913ef1f7f3eb9d58b5d62c882de860ccbc8cb243a3cd6a"}}