{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:G2YXI6HXGYT43JZ2CSLCLMCHYD","short_pith_number":"pith:G2YXI6HX","canonical_record":{"source":{"id":"0811.4579","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2008-11-27T16:19:09Z","cross_cats_sorted":[],"title_canon_sha256":"3e6adab43e976006dabc1726e4031d8a8d7ee6dba54c331d05f70fcaea913569","abstract_canon_sha256":"ed66a8c838b17cd33a2b142771ef0ac1e28028b43b2813c4bf5699e01cf31f3e"},"schema_version":"1.0"},"canonical_sha256":"36b17478f73627cda73a149625b047c0e062f21288004c8173237e5882550eab","source":{"kind":"arxiv","id":"0811.4579","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.4579","created_at":"2026-05-18T02:15:12Z"},{"alias_kind":"arxiv_version","alias_value":"0811.4579v2","created_at":"2026-05-18T02:15:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.4579","created_at":"2026-05-18T02:15:12Z"},{"alias_kind":"pith_short_12","alias_value":"G2YXI6HXGYT4","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"G2YXI6HXGYT43JZ2","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"G2YXI6HX","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:G2YXI6HXGYT43JZ2CSLCLMCHYD","target":"record","payload":{"canonical_record":{"source":{"id":"0811.4579","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2008-11-27T16:19:09Z","cross_cats_sorted":[],"title_canon_sha256":"3e6adab43e976006dabc1726e4031d8a8d7ee6dba54c331d05f70fcaea913569","abstract_canon_sha256":"ed66a8c838b17cd33a2b142771ef0ac1e28028b43b2813c4bf5699e01cf31f3e"},"schema_version":"1.0"},"canonical_sha256":"36b17478f73627cda73a149625b047c0e062f21288004c8173237e5882550eab","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:12.791723Z","signature_b64":"oMk0++2YUpACwWcxnExtA1Zedju6Nm70H8pleaHKqHuvZYah0rXEO7uolDlCg5XzrKWrOVfFR+iocvFC+BW7AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"36b17478f73627cda73a149625b047c0e062f21288004c8173237e5882550eab","last_reissued_at":"2026-05-18T02:15:12.791050Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:12.791050Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0811.4579","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":"2026-05-18T02:15:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i0Uk2VVWKYA9fL3MJHO0wrKwQcUE5/xleArszn+wwCsJ/BtxvizJoA3HQlrOU713j6HoJm9lgSnUIQu4iT1pAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T22:54:23.783476Z"},"content_sha256":"ff67b4042b27130615a412c54a5a5ef77a2bf1ce88d4bb685de96f5ea4eb8089","schema_version":"1.0","event_id":"sha256:ff67b4042b27130615a412c54a5a5ef77a2bf1ce88d4bb685de96f5ea4eb8089"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:G2YXI6HXGYT43JZ2CSLCLMCHYD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Emergent Lorentz symmetry with vanishing velocity in a critical two-subband quantum wire","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. Rosch, J. S. Meyer, K. A. Matveev, M. Garst, M. Sitte","submitted_at":"2008-11-27T16:19:09Z","abstract_excerpt":"We consider a quantum wire with two subbands of spin-polarized electrons in the presence of strong interactions. We focus on the quantum phase transition when the second subband starts to get filled as a function of gate voltage. Performing a one-loop renormalization group (RG) analysis of the effective Hamiltonian, we identify the critical fixed-point theory as a conformal field theory having an enhanced SU(2) symmetry and central charge 3/2. While the fixed point is Lorentz invariant, the effective 'speed of light' nevertheless vanishes at low energies due to marginally irrelevant operators "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.4579","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":"2026-05-18T02:15:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WAm79SOsv+GEQa08X5pXAaxPaMlst49WY3oev0shHhW3Qm5rY78mRwcMrZ72/1UCTHPR+24Esng1HoD4FWZ7Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T22:54:23.783851Z"},"content_sha256":"4968a9941b8ddfa61ae6aedcb08156e4a1686d295590e67152df8d540ec50c6f","schema_version":"1.0","event_id":"sha256:4968a9941b8ddfa61ae6aedcb08156e4a1686d295590e67152df8d540ec50c6f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G2YXI6HXGYT43JZ2CSLCLMCHYD/bundle.json","state_url":"https://pith.science/pith/G2YXI6HXGYT43JZ2CSLCLMCHYD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G2YXI6HXGYT43JZ2CSLCLMCHYD/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":"2026-06-03T22:54:23Z","links":{"resolver":"https://pith.science/pith/G2YXI6HXGYT43JZ2CSLCLMCHYD","bundle":"https://pith.science/pith/G2YXI6HXGYT43JZ2CSLCLMCHYD/bundle.json","state":"https://pith.science/pith/G2YXI6HXGYT43JZ2CSLCLMCHYD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G2YXI6HXGYT43JZ2CSLCLMCHYD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:G2YXI6HXGYT43JZ2CSLCLMCHYD","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":"ed66a8c838b17cd33a2b142771ef0ac1e28028b43b2813c4bf5699e01cf31f3e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2008-11-27T16:19:09Z","title_canon_sha256":"3e6adab43e976006dabc1726e4031d8a8d7ee6dba54c331d05f70fcaea913569"},"schema_version":"1.0","source":{"id":"0811.4579","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.4579","created_at":"2026-05-18T02:15:12Z"},{"alias_kind":"arxiv_version","alias_value":"0811.4579v2","created_at":"2026-05-18T02:15:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.4579","created_at":"2026-05-18T02:15:12Z"},{"alias_kind":"pith_short_12","alias_value":"G2YXI6HXGYT4","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"G2YXI6HXGYT43JZ2","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"G2YXI6HX","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:4968a9941b8ddfa61ae6aedcb08156e4a1686d295590e67152df8d540ec50c6f","target":"graph","created_at":"2026-05-18T02:15:12Z","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 consider a quantum wire with two subbands of spin-polarized electrons in the presence of strong interactions. We focus on the quantum phase transition when the second subband starts to get filled as a function of gate voltage. Performing a one-loop renormalization group (RG) analysis of the effective Hamiltonian, we identify the critical fixed-point theory as a conformal field theory having an enhanced SU(2) symmetry and central charge 3/2. While the fixed point is Lorentz invariant, the effective 'speed of light' nevertheless vanishes at low energies due to marginally irrelevant operators ","authors_text":"A. Rosch, J. S. Meyer, K. A. Matveev, M. Garst, M. Sitte","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2008-11-27T16:19:09Z","title":"Emergent Lorentz symmetry with vanishing velocity in a critical two-subband quantum wire"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.4579","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:ff67b4042b27130615a412c54a5a5ef77a2bf1ce88d4bb685de96f5ea4eb8089","target":"record","created_at":"2026-05-18T02:15:12Z","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":"ed66a8c838b17cd33a2b142771ef0ac1e28028b43b2813c4bf5699e01cf31f3e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2008-11-27T16:19:09Z","title_canon_sha256":"3e6adab43e976006dabc1726e4031d8a8d7ee6dba54c331d05f70fcaea913569"},"schema_version":"1.0","source":{"id":"0811.4579","kind":"arxiv","version":2}},"canonical_sha256":"36b17478f73627cda73a149625b047c0e062f21288004c8173237e5882550eab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"36b17478f73627cda73a149625b047c0e062f21288004c8173237e5882550eab","first_computed_at":"2026-05-18T02:15:12.791050Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:15:12.791050Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oMk0++2YUpACwWcxnExtA1Zedju6Nm70H8pleaHKqHuvZYah0rXEO7uolDlCg5XzrKWrOVfFR+iocvFC+BW7AA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:15:12.791723Z","signed_message":"canonical_sha256_bytes"},"source_id":"0811.4579","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ff67b4042b27130615a412c54a5a5ef77a2bf1ce88d4bb685de96f5ea4eb8089","sha256:4968a9941b8ddfa61ae6aedcb08156e4a1686d295590e67152df8d540ec50c6f"],"state_sha256":"abcc2c7e35f7077f87f91cdb17d6c8665d4ebfd2b2c86f1c900ae159c365ce2a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wuc7iTWgYms8fwUHMuOat0CboNT+CxrXkm7NE/9RoudERMV0Mbim2h0D5FGKE4jwJkTMrne1YnWKcfRiEuSNDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T22:54:23.785932Z","bundle_sha256":"dc1dcccb99c9c6fd2f645d4e4ab5d724209c9dee5284efcd0a77a68abfa05574"}}