{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:B6MA3MBPA3D4QD5MR2N23XA6SL","short_pith_number":"pith:B6MA3MBP","canonical_record":{"source":{"id":"1908.01069","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2019-08-02T21:16:08Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"8b7c86b5e45b1a3b371f54e70159e84268914ecb9244b4a208366502f3540d7a","abstract_canon_sha256":"04ef7d8976fa4b5ee9ecd5ffad244747aef213b8e416d4d3a0a5ea8f9b36caa5"},"schema_version":"1.0"},"canonical_sha256":"0f980db02f06c7c80fac8e9baddc1e92d4644844d0d2f3d5cd71c3fd7f26baec","source":{"kind":"arxiv","id":"1908.01069","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.01069","created_at":"2026-07-05T00:28:11Z"},{"alias_kind":"arxiv_version","alias_value":"1908.01069v2","created_at":"2026-07-05T00:28:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.01069","created_at":"2026-07-05T00:28:11Z"},{"alias_kind":"pith_short_12","alias_value":"B6MA3MBPA3D4","created_at":"2026-07-05T00:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"B6MA3MBPA3D4QD5M","created_at":"2026-07-05T00:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"B6MA3MBP","created_at":"2026-07-05T00:28:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:B6MA3MBPA3D4QD5MR2N23XA6SL","target":"record","payload":{"canonical_record":{"source":{"id":"1908.01069","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2019-08-02T21:16:08Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"8b7c86b5e45b1a3b371f54e70159e84268914ecb9244b4a208366502f3540d7a","abstract_canon_sha256":"04ef7d8976fa4b5ee9ecd5ffad244747aef213b8e416d4d3a0a5ea8f9b36caa5"},"schema_version":"1.0"},"canonical_sha256":"0f980db02f06c7c80fac8e9baddc1e92d4644844d0d2f3d5cd71c3fd7f26baec","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:28:11.394713Z","signature_b64":"aybsPmXMyMPVVvMlRbhchRDomU1JhPRmzyQWcAXg7wHgOQUf9IIN0LlvXu0hspVOQOGiGqtpVVzzJ+gf+3peCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0f980db02f06c7c80fac8e9baddc1e92d4644844d0d2f3d5cd71c3fd7f26baec","last_reissued_at":"2026-07-05T00:28:11.394088Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:28:11.394088Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.01069","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":"2026-07-05T00:28:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YLl9+jxE1SrABmQd2fj99mgIV+ySlTyWgN/7YDX6rHiloigh/tHG7jARhHmzExIUGAq3bB8eDLhq0BuIsaQ+Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T07:47:14.354291Z"},"content_sha256":"bf24d85a83c72f1f5b462e22adf5d64ba12ea8aa80676deef50d23b4a72dcbb1","schema_version":"1.0","event_id":"sha256:bf24d85a83c72f1f5b462e22adf5d64ba12ea8aa80676deef50d23b4a72dcbb1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:B6MA3MBPA3D4QD5MR2N23XA6SL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Point Node Gap Structure of Spin-Triplet Superconductor UTe2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Daniel F. Agterberg, I-Lin Liu, Johnpierre Paglione, Nicholas P. Butch, Seokjin Bae, Sheng Ran, Steven Anlage, Tristin Metz, Wesley T. Fuhrman, Yun Suk Eo","submitted_at":"2019-08-02T21:16:08Z","abstract_excerpt":"Low-temperature electrical and thermal transport, magnetic penetration depth, and heat capacity measurements were performed on single crystals of the actinide superconductor UTe2 to determine the structure of the superconducting energy gap. Heat transport measurements performed with currents directed along both crystallographic a- and b-axes reveal a vanishingly small residual fermionic component of the thermal conductivity. The magnetic field dependence of the residual term follows a rapid, quasi-linear increase consistent with the presence of nodal quasiparticles, rising toward the a-axis up"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.01069","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/1908.01069/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":"2026-07-05T00:28:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IwKuZ5MDT/50loJgq5axMMfEOpBJwiH7JmlD03tWoWCmYFm3SDFF/Xr9y2a7BWdZ96Umkvy+pncB4WMjI3UDDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T07:47:14.354679Z"},"content_sha256":"5c2ffbb45ce3712e5415e99cea5e26514da3d90a03e0760ddee1b25933fcbbef","schema_version":"1.0","event_id":"sha256:5c2ffbb45ce3712e5415e99cea5e26514da3d90a03e0760ddee1b25933fcbbef"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B6MA3MBPA3D4QD5MR2N23XA6SL/bundle.json","state_url":"https://pith.science/pith/B6MA3MBPA3D4QD5MR2N23XA6SL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B6MA3MBPA3D4QD5MR2N23XA6SL/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":"2026-07-17T07:47:14Z","links":{"resolver":"https://pith.science/pith/B6MA3MBPA3D4QD5MR2N23XA6SL","bundle":"https://pith.science/pith/B6MA3MBPA3D4QD5MR2N23XA6SL/bundle.json","state":"https://pith.science/pith/B6MA3MBPA3D4QD5MR2N23XA6SL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B6MA3MBPA3D4QD5MR2N23XA6SL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:B6MA3MBPA3D4QD5MR2N23XA6SL","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":"04ef7d8976fa4b5ee9ecd5ffad244747aef213b8e416d4d3a0a5ea8f9b36caa5","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2019-08-02T21:16:08Z","title_canon_sha256":"8b7c86b5e45b1a3b371f54e70159e84268914ecb9244b4a208366502f3540d7a"},"schema_version":"1.0","source":{"id":"1908.01069","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.01069","created_at":"2026-07-05T00:28:11Z"},{"alias_kind":"arxiv_version","alias_value":"1908.01069v2","created_at":"2026-07-05T00:28:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.01069","created_at":"2026-07-05T00:28:11Z"},{"alias_kind":"pith_short_12","alias_value":"B6MA3MBPA3D4","created_at":"2026-07-05T00:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"B6MA3MBPA3D4QD5M","created_at":"2026-07-05T00:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"B6MA3MBP","created_at":"2026-07-05T00:28:11Z"}],"graph_snapshots":[{"event_id":"sha256:5c2ffbb45ce3712e5415e99cea5e26514da3d90a03e0760ddee1b25933fcbbef","target":"graph","created_at":"2026-07-05T00:28:11Z","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/1908.01069/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Low-temperature electrical and thermal transport, magnetic penetration depth, and heat capacity measurements were performed on single crystals of the actinide superconductor UTe2 to determine the structure of the superconducting energy gap. Heat transport measurements performed with currents directed along both crystallographic a- and b-axes reveal a vanishingly small residual fermionic component of the thermal conductivity. The magnetic field dependence of the residual term follows a rapid, quasi-linear increase consistent with the presence of nodal quasiparticles, rising toward the a-axis up","authors_text":"Daniel F. Agterberg, I-Lin Liu, Johnpierre Paglione, Nicholas P. Butch, Seokjin Bae, Sheng Ran, Steven Anlage, Tristin Metz, Wesley T. Fuhrman, Yun Suk Eo","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2019-08-02T21:16:08Z","title":"Point Node Gap Structure of Spin-Triplet Superconductor UTe2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.01069","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:bf24d85a83c72f1f5b462e22adf5d64ba12ea8aa80676deef50d23b4a72dcbb1","target":"record","created_at":"2026-07-05T00:28:11Z","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":"04ef7d8976fa4b5ee9ecd5ffad244747aef213b8e416d4d3a0a5ea8f9b36caa5","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2019-08-02T21:16:08Z","title_canon_sha256":"8b7c86b5e45b1a3b371f54e70159e84268914ecb9244b4a208366502f3540d7a"},"schema_version":"1.0","source":{"id":"1908.01069","kind":"arxiv","version":2}},"canonical_sha256":"0f980db02f06c7c80fac8e9baddc1e92d4644844d0d2f3d5cd71c3fd7f26baec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0f980db02f06c7c80fac8e9baddc1e92d4644844d0d2f3d5cd71c3fd7f26baec","first_computed_at":"2026-07-05T00:28:11.394088Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:28:11.394088Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aybsPmXMyMPVVvMlRbhchRDomU1JhPRmzyQWcAXg7wHgOQUf9IIN0LlvXu0hspVOQOGiGqtpVVzzJ+gf+3peCg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:28:11.394713Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.01069","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bf24d85a83c72f1f5b462e22adf5d64ba12ea8aa80676deef50d23b4a72dcbb1","sha256:5c2ffbb45ce3712e5415e99cea5e26514da3d90a03e0760ddee1b25933fcbbef"],"state_sha256":"0dfe496375b3473561e1251cbc28ea5428c588d35fd5f4c7f8cfa440bfbf5b32"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MQ4w/SI3dMkkAG8d40D7Ta6mD43tUJDYyp4OuQeJZeHUygi0QlQ85W++McgO5IRiEsescAoOZRVkMksB5AwtCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-17T07:47:14.356853Z","bundle_sha256":"c11b244cad28d3f6ab1beeb28154786f0abca16e82f9a00f48669aa4b1395dfc"}}