{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:N2HQE5KHPQOMWAIZG65PHOGHYD","short_pith_number":"pith:N2HQE5KH","canonical_record":{"source":{"id":"1709.10181","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-09-28T21:49:21Z","cross_cats_sorted":[],"title_canon_sha256":"a9dabb16ced4cb0bb7c2470230f150484d970a33a16f7192975b6f3625c3dbfb","abstract_canon_sha256":"7e94ccecc6bce540245a6ebddfb8990a38a01a45bd7162ef95db50f2070a7321"},"schema_version":"1.0"},"canonical_sha256":"6e8f0275477c1ccb011937baf3b8c7c0d19e0624f462a371a04d4778d98fb5f2","source":{"kind":"arxiv","id":"1709.10181","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.10181","created_at":"2026-05-18T00:25:17Z"},{"alias_kind":"arxiv_version","alias_value":"1709.10181v1","created_at":"2026-05-18T00:25:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.10181","created_at":"2026-05-18T00:25:17Z"},{"alias_kind":"pith_short_12","alias_value":"N2HQE5KHPQOM","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"N2HQE5KHPQOMWAIZ","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"N2HQE5KH","created_at":"2026-05-18T12:31:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:N2HQE5KHPQOMWAIZG65PHOGHYD","target":"record","payload":{"canonical_record":{"source":{"id":"1709.10181","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-09-28T21:49:21Z","cross_cats_sorted":[],"title_canon_sha256":"a9dabb16ced4cb0bb7c2470230f150484d970a33a16f7192975b6f3625c3dbfb","abstract_canon_sha256":"7e94ccecc6bce540245a6ebddfb8990a38a01a45bd7162ef95db50f2070a7321"},"schema_version":"1.0"},"canonical_sha256":"6e8f0275477c1ccb011937baf3b8c7c0d19e0624f462a371a04d4778d98fb5f2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:25:17.029067Z","signature_b64":"85ZksUHn7xFaNtdRO1ZSEqT9AAoppnsXHQlDB30MXo4nzWLNuaIZvljn7+TC5wd5w9fmxpSwhlIziyQQEPqbBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6e8f0275477c1ccb011937baf3b8c7c0d19e0624f462a371a04d4778d98fb5f2","last_reissued_at":"2026-05-18T00:25:17.028573Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:25:17.028573Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.10181","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":"2026-05-18T00:25:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YCuQYPjxzorvQKH4iMz10GSJJftBA84MUc3bKhchQ75CVRrCaIEiX6v9e2BxKcVxeJYfiVutQWA1ALnlsgQbCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T08:31:17.882889Z"},"content_sha256":"938b546a52e67cf6c5a603ae7df9d0cb1fa0e98d2ae049932a81b4d155c83b33","schema_version":"1.0","event_id":"sha256:938b546a52e67cf6c5a603ae7df9d0cb1fa0e98d2ae049932a81b4d155c83b33"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:N2HQE5KHPQOMWAIZG65PHOGHYD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Viscosity of a Multi-channel One-Dimensional Fermi Gas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"K. A. Matveev, Wade DeGottardi","submitted_at":"2017-09-28T21:49:21Z","abstract_excerpt":"Many one-dimensional systems of experimental interest possess multiple bands arising from shallow confining potentials. In this work, we study a gas of weakly interacting fermions and show that the bulk viscosity is dramatically altered by the occupation of more than one band. The reasons for this are two-fold: a multichannel system is more easily displaced from equilibrium and the associated relaxation processes lead to more rapid equilibration than in the single channel case. We estimate the bulk viscosity in terms of the underlying microscopic interactions. The experimental relevance of thi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.10181","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":""},"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":"2026-05-18T00:25:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vZSZ91aKCqP75E08QKuO2LNJQJG625nn00GOxNaToQCJMLE1+sOV0D00Z9Rgkxlbk+06QgcvEdvcd7Ol4bKXDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T08:31:17.883236Z"},"content_sha256":"890886d83ef0b1908a7ca2c081080763fadb83def3ec105b72c187f05fc2c258","schema_version":"1.0","event_id":"sha256:890886d83ef0b1908a7ca2c081080763fadb83def3ec105b72c187f05fc2c258"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N2HQE5KHPQOMWAIZG65PHOGHYD/bundle.json","state_url":"https://pith.science/pith/N2HQE5KHPQOMWAIZG65PHOGHYD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N2HQE5KHPQOMWAIZG65PHOGHYD/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":"2026-06-01T08:31:17Z","links":{"resolver":"https://pith.science/pith/N2HQE5KHPQOMWAIZG65PHOGHYD","bundle":"https://pith.science/pith/N2HQE5KHPQOMWAIZG65PHOGHYD/bundle.json","state":"https://pith.science/pith/N2HQE5KHPQOMWAIZG65PHOGHYD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N2HQE5KHPQOMWAIZG65PHOGHYD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:N2HQE5KHPQOMWAIZG65PHOGHYD","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":"7e94ccecc6bce540245a6ebddfb8990a38a01a45bd7162ef95db50f2070a7321","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-09-28T21:49:21Z","title_canon_sha256":"a9dabb16ced4cb0bb7c2470230f150484d970a33a16f7192975b6f3625c3dbfb"},"schema_version":"1.0","source":{"id":"1709.10181","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.10181","created_at":"2026-05-18T00:25:17Z"},{"alias_kind":"arxiv_version","alias_value":"1709.10181v1","created_at":"2026-05-18T00:25:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.10181","created_at":"2026-05-18T00:25:17Z"},{"alias_kind":"pith_short_12","alias_value":"N2HQE5KHPQOM","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"N2HQE5KHPQOMWAIZ","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"N2HQE5KH","created_at":"2026-05-18T12:31:31Z"}],"graph_snapshots":[{"event_id":"sha256:890886d83ef0b1908a7ca2c081080763fadb83def3ec105b72c187f05fc2c258","target":"graph","created_at":"2026-05-18T00:25:17Z","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":"Many one-dimensional systems of experimental interest possess multiple bands arising from shallow confining potentials. In this work, we study a gas of weakly interacting fermions and show that the bulk viscosity is dramatically altered by the occupation of more than one band. The reasons for this are two-fold: a multichannel system is more easily displaced from equilibrium and the associated relaxation processes lead to more rapid equilibration than in the single channel case. We estimate the bulk viscosity in terms of the underlying microscopic interactions. The experimental relevance of thi","authors_text":"K. A. Matveev, Wade DeGottardi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-09-28T21:49:21Z","title":"Viscosity of a Multi-channel One-Dimensional Fermi Gas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.10181","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":"sha256:938b546a52e67cf6c5a603ae7df9d0cb1fa0e98d2ae049932a81b4d155c83b33","target":"record","created_at":"2026-05-18T00:25:17Z","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":"7e94ccecc6bce540245a6ebddfb8990a38a01a45bd7162ef95db50f2070a7321","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-09-28T21:49:21Z","title_canon_sha256":"a9dabb16ced4cb0bb7c2470230f150484d970a33a16f7192975b6f3625c3dbfb"},"schema_version":"1.0","source":{"id":"1709.10181","kind":"arxiv","version":1}},"canonical_sha256":"6e8f0275477c1ccb011937baf3b8c7c0d19e0624f462a371a04d4778d98fb5f2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6e8f0275477c1ccb011937baf3b8c7c0d19e0624f462a371a04d4778d98fb5f2","first_computed_at":"2026-05-18T00:25:17.028573Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:25:17.028573Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"85ZksUHn7xFaNtdRO1ZSEqT9AAoppnsXHQlDB30MXo4nzWLNuaIZvljn7+TC5wd5w9fmxpSwhlIziyQQEPqbBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:25:17.029067Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.10181","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:938b546a52e67cf6c5a603ae7df9d0cb1fa0e98d2ae049932a81b4d155c83b33","sha256:890886d83ef0b1908a7ca2c081080763fadb83def3ec105b72c187f05fc2c258"],"state_sha256":"a36c2cad1b1a0fb160b74da4d95f3f13e7d1385824aedb5b8bda583186ba4916"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MP2yB+34ImNF6uM0jrIqbDCbSMJEliT3y2lcrmnrO7lraUe1BpWxl4Yl4D7WQFAForCEMSNoCumQw0xYwJbfDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T08:31:17.885151Z","bundle_sha256":"1282c9a51cc99450812cfa131197e6d211a8f563f0eb5d689f0793496adaa510"}}