{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:OXRJUIS35GX4N2W4DPLWUOCT3X","short_pith_number":"pith:OXRJUIS3","canonical_record":{"source":{"id":"1912.11117","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-12-23T21:38:19Z","cross_cats_sorted":["cond-mat.quant-gas","physics.atom-ph"],"title_canon_sha256":"0b55ad83e15607ddd754fca1f34645f260947bd40ac955740543cdfe902f1b2d","abstract_canon_sha256":"55657a95b16bf6e2a0a977676e0c97897c5353a4bf6f26b1d8071cde0e60dbaf"},"schema_version":"1.0"},"canonical_sha256":"75e29a225be9afc6eadc1bd76a3853ddcfaf9df76050fb879195014653636abc","source":{"kind":"arxiv","id":"1912.11117","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.11117","created_at":"2026-07-05T03:27:16Z"},{"alias_kind":"arxiv_version","alias_value":"1912.11117v1","created_at":"2026-07-05T03:27:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.11117","created_at":"2026-07-05T03:27:16Z"},{"alias_kind":"pith_short_12","alias_value":"OXRJUIS35GX4","created_at":"2026-07-05T03:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"OXRJUIS35GX4N2W4","created_at":"2026-07-05T03:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"OXRJUIS3","created_at":"2026-07-05T03:27:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:OXRJUIS35GX4N2W4DPLWUOCT3X","target":"record","payload":{"canonical_record":{"source":{"id":"1912.11117","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-12-23T21:38:19Z","cross_cats_sorted":["cond-mat.quant-gas","physics.atom-ph"],"title_canon_sha256":"0b55ad83e15607ddd754fca1f34645f260947bd40ac955740543cdfe902f1b2d","abstract_canon_sha256":"55657a95b16bf6e2a0a977676e0c97897c5353a4bf6f26b1d8071cde0e60dbaf"},"schema_version":"1.0"},"canonical_sha256":"75e29a225be9afc6eadc1bd76a3853ddcfaf9df76050fb879195014653636abc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:27:16.193677Z","signature_b64":"9jJbZz1TNLVOxAzPbEnGlFqRPgKTgfvYTiIMH/RP/CXiXKWgWhwvYw8Sr1q4XGgwmlvINftvlnMqyAmKGFCfAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"75e29a225be9afc6eadc1bd76a3853ddcfaf9df76050fb879195014653636abc","last_reissued_at":"2026-07-05T03:27:16.193205Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:27:16.193205Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1912.11117","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":"2026-07-05T03:27:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BQq7IFwHzfjsRMAKogYEh5soyHljNjqhREnnhlvhHTOpenfK5sqbiL2HXZ4n/UVVKcvfrH5oqOHuKSxj/rgTAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T07:45:24.047265Z"},"content_sha256":"baba0968c791b52566c9353acc757d6cf92a32c5e1a61f48d88af292153759b9","schema_version":"1.0","event_id":"sha256:baba0968c791b52566c9353acc757d6cf92a32c5e1a61f48d88af292153759b9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:OXRJUIS35GX4N2W4DPLWUOCT3X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of Domain Wall Confinement and Dynamics in a Quantum Simulator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"A. De, A. Kyprianidis, A. V. Gorshkov, C. Monroe, F. Liu, G. Pagano, H. B. Kaplan, K. S. Collins, L. Feng, P. Becker, R. Lundgren, S. Whitsitt, W. L. Tan, W. Morong","submitted_at":"2019-12-23T21:38:19Z","abstract_excerpt":"Confinement is a ubiquitous mechanism in nature, whereby particles feel an attractive force that increases without bound as they separate. A prominent example is color confinement in particle physics, in which baryons and mesons are produced by quark confinement. Analogously, confinement can also occur in low-energy quantum many-body systems when elementary excitations are confined into bound quasiparticles. Here, we report the first observation of magnetic domain wall confinement in interacting spin chains with a trapped-ion quantum simulator. By measuring how correlations spread, we show tha"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.11117","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1912.11117/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T03:27:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LfBPpimUyB9T+DCsMX8gt4HRWyd80RoTCJ5U+CeK8mOMA3CZvS7x/U7UfwK91n3rrYdosThxhwUTPakAfKKUCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T07:45:24.047655Z"},"content_sha256":"d9f9e03b2d868a9f8dee47cbb373742969ed19306041aa5a9b110ded2a067e2d","schema_version":"1.0","event_id":"sha256:d9f9e03b2d868a9f8dee47cbb373742969ed19306041aa5a9b110ded2a067e2d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OXRJUIS35GX4N2W4DPLWUOCT3X/bundle.json","state_url":"https://pith.science/pith/OXRJUIS35GX4N2W4DPLWUOCT3X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OXRJUIS35GX4N2W4DPLWUOCT3X/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":"2026-07-05T07:45:24Z","links":{"resolver":"https://pith.science/pith/OXRJUIS35GX4N2W4DPLWUOCT3X","bundle":"https://pith.science/pith/OXRJUIS35GX4N2W4DPLWUOCT3X/bundle.json","state":"https://pith.science/pith/OXRJUIS35GX4N2W4DPLWUOCT3X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OXRJUIS35GX4N2W4DPLWUOCT3X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:OXRJUIS35GX4N2W4DPLWUOCT3X","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":"55657a95b16bf6e2a0a977676e0c97897c5353a4bf6f26b1d8071cde0e60dbaf","cross_cats_sorted":["cond-mat.quant-gas","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-12-23T21:38:19Z","title_canon_sha256":"0b55ad83e15607ddd754fca1f34645f260947bd40ac955740543cdfe902f1b2d"},"schema_version":"1.0","source":{"id":"1912.11117","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.11117","created_at":"2026-07-05T03:27:16Z"},{"alias_kind":"arxiv_version","alias_value":"1912.11117v1","created_at":"2026-07-05T03:27:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.11117","created_at":"2026-07-05T03:27:16Z"},{"alias_kind":"pith_short_12","alias_value":"OXRJUIS35GX4","created_at":"2026-07-05T03:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"OXRJUIS35GX4N2W4","created_at":"2026-07-05T03:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"OXRJUIS3","created_at":"2026-07-05T03:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:d9f9e03b2d868a9f8dee47cbb373742969ed19306041aa5a9b110ded2a067e2d","target":"graph","created_at":"2026-07-05T03:27:16Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1912.11117/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Confinement is a ubiquitous mechanism in nature, whereby particles feel an attractive force that increases without bound as they separate. A prominent example is color confinement in particle physics, in which baryons and mesons are produced by quark confinement. Analogously, confinement can also occur in low-energy quantum many-body systems when elementary excitations are confined into bound quasiparticles. Here, we report the first observation of magnetic domain wall confinement in interacting spin chains with a trapped-ion quantum simulator. By measuring how correlations spread, we show tha","authors_text":"A. De, A. Kyprianidis, A. V. Gorshkov, C. Monroe, F. Liu, G. Pagano, H. B. Kaplan, K. S. Collins, L. Feng, P. Becker, R. Lundgren, S. Whitsitt, W. L. Tan, W. Morong","cross_cats":["cond-mat.quant-gas","physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-12-23T21:38:19Z","title":"Observation of Domain Wall Confinement and Dynamics in a Quantum Simulator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.11117","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:baba0968c791b52566c9353acc757d6cf92a32c5e1a61f48d88af292153759b9","target":"record","created_at":"2026-07-05T03:27:16Z","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":"55657a95b16bf6e2a0a977676e0c97897c5353a4bf6f26b1d8071cde0e60dbaf","cross_cats_sorted":["cond-mat.quant-gas","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-12-23T21:38:19Z","title_canon_sha256":"0b55ad83e15607ddd754fca1f34645f260947bd40ac955740543cdfe902f1b2d"},"schema_version":"1.0","source":{"id":"1912.11117","kind":"arxiv","version":1}},"canonical_sha256":"75e29a225be9afc6eadc1bd76a3853ddcfaf9df76050fb879195014653636abc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"75e29a225be9afc6eadc1bd76a3853ddcfaf9df76050fb879195014653636abc","first_computed_at":"2026-07-05T03:27:16.193205Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:27:16.193205Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9jJbZz1TNLVOxAzPbEnGlFqRPgKTgfvYTiIMH/RP/CXiXKWgWhwvYw8Sr1q4XGgwmlvINftvlnMqyAmKGFCfAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:27:16.193677Z","signed_message":"canonical_sha256_bytes"},"source_id":"1912.11117","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:baba0968c791b52566c9353acc757d6cf92a32c5e1a61f48d88af292153759b9","sha256:d9f9e03b2d868a9f8dee47cbb373742969ed19306041aa5a9b110ded2a067e2d"],"state_sha256":"d2b57efca7af865d2b3fe67766dd424645c9dfd07010d76b725bea222cf7ce43"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vCn6c3/84J4KEaIxWI61ZrjD/RSco9baClI/9VcLfRHLTubqFWgF4t3WzLi/YMpNCYpqSKdnzXIsHJt5ZHDZAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T07:45:24.049719Z","bundle_sha256":"45a9f3c60c0b1dd79b832bbd5ec35c5ec60a1085d11d2e5e6bde31018ba18c6a"}}