{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:K6AVKVLSAMYWCZCI4VHCPYZVQ7","short_pith_number":"pith:K6AVKVLS","canonical_record":{"source":{"id":"1606.05472","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-06-17T10:45:42Z","cross_cats_sorted":["hep-th","quant-ph"],"title_canon_sha256":"34c6fcc1f12c97ba2db5a7f7cca01db9f76bad077f54e480906d10d2b42d6bb0","abstract_canon_sha256":"77512a1df9c26dfa22b4b917b85b1eb6dcdb70abd1759d07a6ccde32c410d13d"},"schema_version":"1.0"},"canonical_sha256":"57815555720331616448e54e27e33587c18ab0974d2816edf56c351fc480c227","source":{"kind":"arxiv","id":"1606.05472","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.05472","created_at":"2026-05-18T00:30:17Z"},{"alias_kind":"arxiv_version","alias_value":"1606.05472v2","created_at":"2026-05-18T00:30:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.05472","created_at":"2026-05-18T00:30:17Z"},{"alias_kind":"pith_short_12","alias_value":"K6AVKVLSAMYW","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"K6AVKVLSAMYWCZCI","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"K6AVKVLS","created_at":"2026-05-18T12:30:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:K6AVKVLSAMYWCZCI4VHCPYZVQ7","target":"record","payload":{"canonical_record":{"source":{"id":"1606.05472","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-06-17T10:45:42Z","cross_cats_sorted":["hep-th","quant-ph"],"title_canon_sha256":"34c6fcc1f12c97ba2db5a7f7cca01db9f76bad077f54e480906d10d2b42d6bb0","abstract_canon_sha256":"77512a1df9c26dfa22b4b917b85b1eb6dcdb70abd1759d07a6ccde32c410d13d"},"schema_version":"1.0"},"canonical_sha256":"57815555720331616448e54e27e33587c18ab0974d2816edf56c351fc480c227","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:30:17.630026Z","signature_b64":"RZzDLQ7HiXL7Rp104WRq4LYFRculIK6MNIu2RD42RDbIknCcuQiCGQ23tI8qsCoOkXh7B9S0yKpYbCHHcTm3Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57815555720331616448e54e27e33587c18ab0974d2816edf56c351fc480c227","last_reissued_at":"2026-05-18T00:30:17.629174Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:30:17.629174Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1606.05472","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":"2026-05-18T00:30:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d3BNVP15ejG8tJOMS/hRiiEkE5xyR/RWZT6qPwf4s0vl0T+Z+N+W1i/r64JpucFC/EE+wsV20wxxySx2ri0rBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T01:27:54.463456Z"},"content_sha256":"c9f31efed80ffa155f2cb6e76bf5fbb98fc5698a74dea84795e2d70f1c5f79f3","schema_version":"1.0","event_id":"sha256:c9f31efed80ffa155f2cb6e76bf5fbb98fc5698a74dea84795e2d70f1c5f79f3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:K6AVKVLSAMYWCZCI4VHCPYZVQ7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence of quantum phase transition in real-space vacuum entanglement of higher derivative scalar quantum field theories","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","quant-ph"],"primary_cat":"cond-mat.stat-mech","authors_text":"S. Santhosh Kumar (IISER-TVM), S. Shankaranarayanan (IISER-TVM & IIT-B)","submitted_at":"2016-06-17T10:45:42Z","abstract_excerpt":"In a bipartite set-up, the vacuum state of a free Bosonic scalar field is entangled in real space and satisfies the area-law--- entanglement entropy scales linearly with area of the boundary between the two partitions. In this work, we show that the area law is violated in two spatial dimensional model Hamiltonian having dynamical critical exponent z=3. The model physically corresponds to next-to-next-to-next nearest neighbour coupling terms on a lattice. The result reported here is the first of its kind of violation of area law in Bosonic systems in higher dimensions and signals the evidence "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.05472","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":"2026-05-18T00:30:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"68+ssfm0e/0o5qBeXn4LBKa/+1JwT3y39pa4bUNMEWzwni5nFlOhxsIA5bsS7q+MWhnJEILrNE0E+NsZTiVCAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T01:27:54.464176Z"},"content_sha256":"dfadcdfa7dd6f1f83f8625694899ac0921f3568a17d922791a3057c135d9fc44","schema_version":"1.0","event_id":"sha256:dfadcdfa7dd6f1f83f8625694899ac0921f3568a17d922791a3057c135d9fc44"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K6AVKVLSAMYWCZCI4VHCPYZVQ7/bundle.json","state_url":"https://pith.science/pith/K6AVKVLSAMYWCZCI4VHCPYZVQ7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K6AVKVLSAMYWCZCI4VHCPYZVQ7/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":"2026-06-01T01:27:54Z","links":{"resolver":"https://pith.science/pith/K6AVKVLSAMYWCZCI4VHCPYZVQ7","bundle":"https://pith.science/pith/K6AVKVLSAMYWCZCI4VHCPYZVQ7/bundle.json","state":"https://pith.science/pith/K6AVKVLSAMYWCZCI4VHCPYZVQ7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K6AVKVLSAMYWCZCI4VHCPYZVQ7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:K6AVKVLSAMYWCZCI4VHCPYZVQ7","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":"77512a1df9c26dfa22b4b917b85b1eb6dcdb70abd1759d07a6ccde32c410d13d","cross_cats_sorted":["hep-th","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-06-17T10:45:42Z","title_canon_sha256":"34c6fcc1f12c97ba2db5a7f7cca01db9f76bad077f54e480906d10d2b42d6bb0"},"schema_version":"1.0","source":{"id":"1606.05472","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.05472","created_at":"2026-05-18T00:30:17Z"},{"alias_kind":"arxiv_version","alias_value":"1606.05472v2","created_at":"2026-05-18T00:30:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.05472","created_at":"2026-05-18T00:30:17Z"},{"alias_kind":"pith_short_12","alias_value":"K6AVKVLSAMYW","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"K6AVKVLSAMYWCZCI","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"K6AVKVLS","created_at":"2026-05-18T12:30:25Z"}],"graph_snapshots":[{"event_id":"sha256:dfadcdfa7dd6f1f83f8625694899ac0921f3568a17d922791a3057c135d9fc44","target":"graph","created_at":"2026-05-18T00:30:17Z","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":"In a bipartite set-up, the vacuum state of a free Bosonic scalar field is entangled in real space and satisfies the area-law--- entanglement entropy scales linearly with area of the boundary between the two partitions. In this work, we show that the area law is violated in two spatial dimensional model Hamiltonian having dynamical critical exponent z=3. The model physically corresponds to next-to-next-to-next nearest neighbour coupling terms on a lattice. The result reported here is the first of its kind of violation of area law in Bosonic systems in higher dimensions and signals the evidence ","authors_text":"S. Santhosh Kumar (IISER-TVM), S. Shankaranarayanan (IISER-TVM & IIT-B)","cross_cats":["hep-th","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-06-17T10:45:42Z","title":"Evidence of quantum phase transition in real-space vacuum entanglement of higher derivative scalar quantum field theories"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.05472","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:c9f31efed80ffa155f2cb6e76bf5fbb98fc5698a74dea84795e2d70f1c5f79f3","target":"record","created_at":"2026-05-18T00:30:17Z","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":"77512a1df9c26dfa22b4b917b85b1eb6dcdb70abd1759d07a6ccde32c410d13d","cross_cats_sorted":["hep-th","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-06-17T10:45:42Z","title_canon_sha256":"34c6fcc1f12c97ba2db5a7f7cca01db9f76bad077f54e480906d10d2b42d6bb0"},"schema_version":"1.0","source":{"id":"1606.05472","kind":"arxiv","version":2}},"canonical_sha256":"57815555720331616448e54e27e33587c18ab0974d2816edf56c351fc480c227","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"57815555720331616448e54e27e33587c18ab0974d2816edf56c351fc480c227","first_computed_at":"2026-05-18T00:30:17.629174Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:30:17.629174Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RZzDLQ7HiXL7Rp104WRq4LYFRculIK6MNIu2RD42RDbIknCcuQiCGQ23tI8qsCoOkXh7B9S0yKpYbCHHcTm3Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:30:17.630026Z","signed_message":"canonical_sha256_bytes"},"source_id":"1606.05472","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c9f31efed80ffa155f2cb6e76bf5fbb98fc5698a74dea84795e2d70f1c5f79f3","sha256:dfadcdfa7dd6f1f83f8625694899ac0921f3568a17d922791a3057c135d9fc44"],"state_sha256":"a2a18388dc2b5a7db3f52618b037cc894762705b8a91258b49ffe4444aa6da44"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"myivBsD73jCS0rS+FsJHizyXofZOqwgU1deB2U2c2L7llJFtvqtiuHmhA8iL9TkkB2HUSUohIdggFOfhTjqKCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T01:27:54.468297Z","bundle_sha256":"a35c47bcdad3741e8ea446a3f4661ccd50d73c64cf92496006857273fb1ddda3"}}