{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:HZ7CHKT24PLP64WM6WXDSWONKI","short_pith_number":"pith:HZ7CHKT2","canonical_record":{"source":{"id":"2103.08492","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2021-03-15T16:09:47Z","cross_cats_sorted":["cond-mat.stat-mech","math-ph","math.MP"],"title_canon_sha256":"9c27880da3d5cf1b1e2df0c9adafcbfd4bf3137ae5783f3ad4a4dc14551a1ad5","abstract_canon_sha256":"f18aa0307c736290a7720bbf1624f94d5a252af082f596de8d8f859e24a73264"},"schema_version":"1.0"},"canonical_sha256":"3e7e23aa7ae3d6ff72ccf5ae3959cd521a48e3ccac8df66c1b3a77583b5d0d35","source":{"kind":"arxiv","id":"2103.08492","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.08492","created_at":"2026-07-05T02:47:33Z"},{"alias_kind":"arxiv_version","alias_value":"2103.08492v2","created_at":"2026-07-05T02:47:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.08492","created_at":"2026-07-05T02:47:33Z"},{"alias_kind":"pith_short_12","alias_value":"HZ7CHKT24PLP","created_at":"2026-07-05T02:47:33Z"},{"alias_kind":"pith_short_16","alias_value":"HZ7CHKT24PLP64WM","created_at":"2026-07-05T02:47:33Z"},{"alias_kind":"pith_short_8","alias_value":"HZ7CHKT2","created_at":"2026-07-05T02:47:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:HZ7CHKT24PLP64WM6WXDSWONKI","target":"record","payload":{"canonical_record":{"source":{"id":"2103.08492","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2021-03-15T16:09:47Z","cross_cats_sorted":["cond-mat.stat-mech","math-ph","math.MP"],"title_canon_sha256":"9c27880da3d5cf1b1e2df0c9adafcbfd4bf3137ae5783f3ad4a4dc14551a1ad5","abstract_canon_sha256":"f18aa0307c736290a7720bbf1624f94d5a252af082f596de8d8f859e24a73264"},"schema_version":"1.0"},"canonical_sha256":"3e7e23aa7ae3d6ff72ccf5ae3959cd521a48e3ccac8df66c1b3a77583b5d0d35","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:47:33.481332Z","signature_b64":"zEdA5Oz6q1tQ8jOcRZ3YKBax5PtdNJH4UvwGH2HOoXbbWg+ldOUMXPrLk+5UakC9kQP/oz8s2TmAhqr7VOubDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3e7e23aa7ae3d6ff72ccf5ae3959cd521a48e3ccac8df66c1b3a77583b5d0d35","last_reissued_at":"2026-07-05T02:47:33.480954Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:47:33.480954Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2103.08492","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":"2026-07-05T02:47:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7pCdZlkt503RXW5VH53/1EWJ00EFXnpH/mgMDP2YY71N5REgHRcghgRmis4/zaj0lWyacn2FqQTcrMOwrl2CCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T22:52:29.897642Z"},"content_sha256":"e20574e83eaf77dcea010d62203a548f1b412481e66e2f27c267556bce5917f5","schema_version":"1.0","event_id":"sha256:e20574e83eaf77dcea010d62203a548f1b412481e66e2f27c267556bce5917f5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:HZ7CHKT24PLP64WM6WXDSWONKI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Branch Point Twist Field Form Factors in the sine-Gordon Model I: Breather Fusion and Entanglement Dynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech","math-ph","math.MP"],"primary_cat":"hep-th","authors_text":"David X. Horvath, Olalla A. Castro-Alvaredo","submitted_at":"2021-03-15T16:09:47Z","abstract_excerpt":"The quantum sine-Gordon model is the simplest massive interacting integrable quantum field theory whose two-particle scattering matrix is generally non-diagonal. As such, it is a model that has been extensively studied, especially in the context of the bootstrap programme. In this paper we compute the form factors of a special local field known as the branch point twist field, whose correlation functions are building blocks for measures of entanglement. We consider the attractive regime where the theory posesses a particle spectrum consisting of a soliton, an antisoliton (of opposite $U(1)$ ch"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.08492","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2103.08492/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":"2026-07-05T02:47:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8pyMoTMvOuCJ3GcvbvaLZYzGuKUInY7tEhXoqdk6r57BfagBbahI/pBtybyyB/kfURt0275hv4wGHQWhlErWAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T22:52:29.898566Z"},"content_sha256":"d84a7cbb539d0c0538bae028bf6da81ea2062536499da1a710c7935310206c2d","schema_version":"1.0","event_id":"sha256:d84a7cbb539d0c0538bae028bf6da81ea2062536499da1a710c7935310206c2d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HZ7CHKT24PLP64WM6WXDSWONKI/bundle.json","state_url":"https://pith.science/pith/HZ7CHKT24PLP64WM6WXDSWONKI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HZ7CHKT24PLP64WM6WXDSWONKI/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":"2026-08-03T22:52:29Z","links":{"resolver":"https://pith.science/pith/HZ7CHKT24PLP64WM6WXDSWONKI","bundle":"https://pith.science/pith/HZ7CHKT24PLP64WM6WXDSWONKI/bundle.json","state":"https://pith.science/pith/HZ7CHKT24PLP64WM6WXDSWONKI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HZ7CHKT24PLP64WM6WXDSWONKI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:HZ7CHKT24PLP64WM6WXDSWONKI","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":"f18aa0307c736290a7720bbf1624f94d5a252af082f596de8d8f859e24a73264","cross_cats_sorted":["cond-mat.stat-mech","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2021-03-15T16:09:47Z","title_canon_sha256":"9c27880da3d5cf1b1e2df0c9adafcbfd4bf3137ae5783f3ad4a4dc14551a1ad5"},"schema_version":"1.0","source":{"id":"2103.08492","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.08492","created_at":"2026-07-05T02:47:33Z"},{"alias_kind":"arxiv_version","alias_value":"2103.08492v2","created_at":"2026-07-05T02:47:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.08492","created_at":"2026-07-05T02:47:33Z"},{"alias_kind":"pith_short_12","alias_value":"HZ7CHKT24PLP","created_at":"2026-07-05T02:47:33Z"},{"alias_kind":"pith_short_16","alias_value":"HZ7CHKT24PLP64WM","created_at":"2026-07-05T02:47:33Z"},{"alias_kind":"pith_short_8","alias_value":"HZ7CHKT2","created_at":"2026-07-05T02:47:33Z"}],"graph_snapshots":[{"event_id":"sha256:d84a7cbb539d0c0538bae028bf6da81ea2062536499da1a710c7935310206c2d","target":"graph","created_at":"2026-07-05T02:47:33Z","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/2103.08492/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The quantum sine-Gordon model is the simplest massive interacting integrable quantum field theory whose two-particle scattering matrix is generally non-diagonal. As such, it is a model that has been extensively studied, especially in the context of the bootstrap programme. In this paper we compute the form factors of a special local field known as the branch point twist field, whose correlation functions are building blocks for measures of entanglement. We consider the attractive regime where the theory posesses a particle spectrum consisting of a soliton, an antisoliton (of opposite $U(1)$ ch","authors_text":"David X. Horvath, Olalla A. Castro-Alvaredo","cross_cats":["cond-mat.stat-mech","math-ph","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2021-03-15T16:09:47Z","title":"Branch Point Twist Field Form Factors in the sine-Gordon Model I: Breather Fusion and Entanglement Dynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.08492","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:e20574e83eaf77dcea010d62203a548f1b412481e66e2f27c267556bce5917f5","target":"record","created_at":"2026-07-05T02:47:33Z","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":"f18aa0307c736290a7720bbf1624f94d5a252af082f596de8d8f859e24a73264","cross_cats_sorted":["cond-mat.stat-mech","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2021-03-15T16:09:47Z","title_canon_sha256":"9c27880da3d5cf1b1e2df0c9adafcbfd4bf3137ae5783f3ad4a4dc14551a1ad5"},"schema_version":"1.0","source":{"id":"2103.08492","kind":"arxiv","version":2}},"canonical_sha256":"3e7e23aa7ae3d6ff72ccf5ae3959cd521a48e3ccac8df66c1b3a77583b5d0d35","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3e7e23aa7ae3d6ff72ccf5ae3959cd521a48e3ccac8df66c1b3a77583b5d0d35","first_computed_at":"2026-07-05T02:47:33.480954Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:47:33.480954Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zEdA5Oz6q1tQ8jOcRZ3YKBax5PtdNJH4UvwGH2HOoXbbWg+ldOUMXPrLk+5UakC9kQP/oz8s2TmAhqr7VOubDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:47:33.481332Z","signed_message":"canonical_sha256_bytes"},"source_id":"2103.08492","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e20574e83eaf77dcea010d62203a548f1b412481e66e2f27c267556bce5917f5","sha256:d84a7cbb539d0c0538bae028bf6da81ea2062536499da1a710c7935310206c2d"],"state_sha256":"91346c40edb96ee86e6e7dce83352d1f20127151a9d895ee6176672efbc52c34"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CeAEygoL8NJ8bsMBtN/d+2X2aFce+NTFcGIFRfFWYYf3E84OWw/wMl8UkK5LkYZ69n77yGdM6snBQ79bXJr3DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T22:52:29.905083Z","bundle_sha256":"97aed4753065e360459226dc4a66a07f96eda2c2f31d613f37c851c99e996e96"}}