{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:4KII7Q5WICPJFQD67C2YU3BM36","short_pith_number":"pith:4KII7Q5W","canonical_record":{"source":{"id":"2607.01994","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-07-02T10:28:11Z","cross_cats_sorted":["cond-mat.stat-mech","hep-th"],"title_canon_sha256":"6cf20947e0f8cb58b6397ed33769176f43b9f9b96aea14962afae91e6a24b2c9","abstract_canon_sha256":"cb5b4ca7d8954367ed3f1ccd22983b83404d35286d488589f25b878cdec54a11"},"schema_version":"1.0"},"canonical_sha256":"e2908fc3b6409e92c07ef8b58a6c2cdfb3e3ad088cf990fce4bca464268304dc","source":{"kind":"arxiv","id":"2607.01994","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.01994","created_at":"2026-07-03T01:17:36Z"},{"alias_kind":"arxiv_version","alias_value":"2607.01994v1","created_at":"2026-07-03T01:17:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.01994","created_at":"2026-07-03T01:17:36Z"},{"alias_kind":"pith_short_12","alias_value":"4KII7Q5WICPJ","created_at":"2026-07-03T01:17:36Z"},{"alias_kind":"pith_short_16","alias_value":"4KII7Q5WICPJFQD6","created_at":"2026-07-03T01:17:36Z"},{"alias_kind":"pith_short_8","alias_value":"4KII7Q5W","created_at":"2026-07-03T01:17:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:4KII7Q5WICPJFQD67C2YU3BM36","target":"record","payload":{"canonical_record":{"source":{"id":"2607.01994","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-07-02T10:28:11Z","cross_cats_sorted":["cond-mat.stat-mech","hep-th"],"title_canon_sha256":"6cf20947e0f8cb58b6397ed33769176f43b9f9b96aea14962afae91e6a24b2c9","abstract_canon_sha256":"cb5b4ca7d8954367ed3f1ccd22983b83404d35286d488589f25b878cdec54a11"},"schema_version":"1.0"},"canonical_sha256":"e2908fc3b6409e92c07ef8b58a6c2cdfb3e3ad088cf990fce4bca464268304dc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-03T01:17:36.521619Z","signature_b64":"FQ+tuX5zr2xRH6ZJUZz2Gb/XZWGtbkH1i0Cg/0OOT+CztYRLbK1+GM1KIsw/+f2Q7dWWMcDeLK6Z8la2eZDMDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e2908fc3b6409e92c07ef8b58a6c2cdfb3e3ad088cf990fce4bca464268304dc","last_reissued_at":"2026-07-03T01:17:36.521166Z","signature_status":"signed_v1","first_computed_at":"2026-07-03T01:17:36.521166Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.01994","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":"2026-07-03T01:17:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"seenmSHfWHAFVJBvU6KUUqHhdT70fJTdYLYaPxAbNdncNZWTk7/iM/3PhV6GpoZlIn4gsqZDj6zyc3l6zpA6BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T21:24:09.424805Z"},"content_sha256":"0a8e41b9cf63d140cb463225942ea79c5cca66e560eba691ba85000928af1386","schema_version":"1.0","event_id":"sha256:0a8e41b9cf63d140cb463225942ea79c5cca66e560eba691ba85000928af1386"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:4KII7Q5WICPJFQD67C2YU3BM36","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"False vacuum decay in a two-dimensional quantum spin system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech","hep-th"],"primary_cat":"quant-ph","authors_text":"Ian G. Moss, Luka Pave\\v{s}i\\'c, Simone Montangero","submitted_at":"2026-07-02T10:28:11Z","abstract_excerpt":"False vacuum decay describes the relaxation of a metastable state through the nucleation and growth of bubbles of the stable phase. Despite describing a broad variety of phenomena across different fields, the quantum version of the nucleation theory has little experimental or numerical support. Testing its predictions is particularly important in two or more spatial dimensions, where bubble nucleation acquires its true geometrical nature. Here, we study false vacuum decay in the quantum Ising model in two dimensions. Through tree tensor network simulations we extract the decay rate, the effect"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.01994","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/2607.01994/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":"2026-07-03T01:17:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EK5+MdeP8T2WVzIhom0PbYsMyWyshh3L6+9ouFoCsejqTS4foOXVhNif/imSacY3OHJxziLKzRjL1QYWsQ1uDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T21:24:09.425178Z"},"content_sha256":"872d13d362be6d4ca22274a0d09394993774c1f88099e6544040af2717352a60","schema_version":"1.0","event_id":"sha256:872d13d362be6d4ca22274a0d09394993774c1f88099e6544040af2717352a60"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4KII7Q5WICPJFQD67C2YU3BM36/bundle.json","state_url":"https://pith.science/pith/4KII7Q5WICPJFQD67C2YU3BM36/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4KII7Q5WICPJFQD67C2YU3BM36/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":"2026-07-03T21:24:09Z","links":{"resolver":"https://pith.science/pith/4KII7Q5WICPJFQD67C2YU3BM36","bundle":"https://pith.science/pith/4KII7Q5WICPJFQD67C2YU3BM36/bundle.json","state":"https://pith.science/pith/4KII7Q5WICPJFQD67C2YU3BM36/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4KII7Q5WICPJFQD67C2YU3BM36/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:4KII7Q5WICPJFQD67C2YU3BM36","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":"cb5b4ca7d8954367ed3f1ccd22983b83404d35286d488589f25b878cdec54a11","cross_cats_sorted":["cond-mat.stat-mech","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-07-02T10:28:11Z","title_canon_sha256":"6cf20947e0f8cb58b6397ed33769176f43b9f9b96aea14962afae91e6a24b2c9"},"schema_version":"1.0","source":{"id":"2607.01994","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.01994","created_at":"2026-07-03T01:17:36Z"},{"alias_kind":"arxiv_version","alias_value":"2607.01994v1","created_at":"2026-07-03T01:17:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.01994","created_at":"2026-07-03T01:17:36Z"},{"alias_kind":"pith_short_12","alias_value":"4KII7Q5WICPJ","created_at":"2026-07-03T01:17:36Z"},{"alias_kind":"pith_short_16","alias_value":"4KII7Q5WICPJFQD6","created_at":"2026-07-03T01:17:36Z"},{"alias_kind":"pith_short_8","alias_value":"4KII7Q5W","created_at":"2026-07-03T01:17:36Z"}],"graph_snapshots":[{"event_id":"sha256:872d13d362be6d4ca22274a0d09394993774c1f88099e6544040af2717352a60","target":"graph","created_at":"2026-07-03T01:17:36Z","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/2607.01994/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"False vacuum decay describes the relaxation of a metastable state through the nucleation and growth of bubbles of the stable phase. Despite describing a broad variety of phenomena across different fields, the quantum version of the nucleation theory has little experimental or numerical support. Testing its predictions is particularly important in two or more spatial dimensions, where bubble nucleation acquires its true geometrical nature. Here, we study false vacuum decay in the quantum Ising model in two dimensions. Through tree tensor network simulations we extract the decay rate, the effect","authors_text":"Ian G. Moss, Luka Pave\\v{s}i\\'c, Simone Montangero","cross_cats":["cond-mat.stat-mech","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-07-02T10:28:11Z","title":"False vacuum decay in a two-dimensional quantum spin system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.01994","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":"sha256:0a8e41b9cf63d140cb463225942ea79c5cca66e560eba691ba85000928af1386","target":"record","created_at":"2026-07-03T01:17:36Z","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":"cb5b4ca7d8954367ed3f1ccd22983b83404d35286d488589f25b878cdec54a11","cross_cats_sorted":["cond-mat.stat-mech","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-07-02T10:28:11Z","title_canon_sha256":"6cf20947e0f8cb58b6397ed33769176f43b9f9b96aea14962afae91e6a24b2c9"},"schema_version":"1.0","source":{"id":"2607.01994","kind":"arxiv","version":1}},"canonical_sha256":"e2908fc3b6409e92c07ef8b58a6c2cdfb3e3ad088cf990fce4bca464268304dc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e2908fc3b6409e92c07ef8b58a6c2cdfb3e3ad088cf990fce4bca464268304dc","first_computed_at":"2026-07-03T01:17:36.521166Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-03T01:17:36.521166Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FQ+tuX5zr2xRH6ZJUZz2Gb/XZWGtbkH1i0Cg/0OOT+CztYRLbK1+GM1KIsw/+f2Q7dWWMcDeLK6Z8la2eZDMDA==","signature_status":"signed_v1","signed_at":"2026-07-03T01:17:36.521619Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.01994","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0a8e41b9cf63d140cb463225942ea79c5cca66e560eba691ba85000928af1386","sha256:872d13d362be6d4ca22274a0d09394993774c1f88099e6544040af2717352a60"],"state_sha256":"b7759775caf95c31328bff42d11a46d8bf1767da5d0712c88f461a1fcf404584"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RrOV0F6/Zqnp/ta/1lCrFaCaP1CsVTN/NL7YAXFFeUlZdLa/h5QpQOHAVTHpvRY+1C2q8WDeNQpK9kgHFI9JAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-03T21:24:09.427161Z","bundle_sha256":"a609e88a4f32c193c1211c62f304784c0794a11fca06f8f3be147660b32bac67"}}