{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:2W4R5NMT57I7ES3JVLEAF57EJZ","short_pith_number":"pith:2W4R5NMT","canonical_record":{"source":{"id":"2110.12303","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2021-10-23T21:46:51Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"title_canon_sha256":"b07ba7bf7a8339d42a8fc6040bfbf06b18caa9eed0b8ea489fae1d70481c1730","abstract_canon_sha256":"037b7502e6cab09831d0ca0a2a746a30a77b6f73fc2e63ae57b531b20bcb1194"},"schema_version":"1.0"},"canonical_sha256":"d5b91eb593efd1f24b69aac802f7e44e59b7b578ff23e3a5c1afcf0e0b3edf20","source":{"kind":"arxiv","id":"2110.12303","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.12303","created_at":"2026-07-05T04:06:00Z"},{"alias_kind":"arxiv_version","alias_value":"2110.12303v2","created_at":"2026-07-05T04:06:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.12303","created_at":"2026-07-05T04:06:00Z"},{"alias_kind":"pith_short_12","alias_value":"2W4R5NMT57I7","created_at":"2026-07-05T04:06:00Z"},{"alias_kind":"pith_short_16","alias_value":"2W4R5NMT57I7ES3J","created_at":"2026-07-05T04:06:00Z"},{"alias_kind":"pith_short_8","alias_value":"2W4R5NMT","created_at":"2026-07-05T04:06:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:2W4R5NMT57I7ES3JVLEAF57EJZ","target":"record","payload":{"canonical_record":{"source":{"id":"2110.12303","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2021-10-23T21:46:51Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"title_canon_sha256":"b07ba7bf7a8339d42a8fc6040bfbf06b18caa9eed0b8ea489fae1d70481c1730","abstract_canon_sha256":"037b7502e6cab09831d0ca0a2a746a30a77b6f73fc2e63ae57b531b20bcb1194"},"schema_version":"1.0"},"canonical_sha256":"d5b91eb593efd1f24b69aac802f7e44e59b7b578ff23e3a5c1afcf0e0b3edf20","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:06:00.608561Z","signature_b64":"kX3eDnVZ9ux0YjNGrW4qQarYp1HTund11pigpWl+iuVMRQSslIclp2U/5hDPnzJKm3VWRi76WGBCUrqX77a+Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d5b91eb593efd1f24b69aac802f7e44e59b7b578ff23e3a5c1afcf0e0b3edf20","last_reissued_at":"2026-07-05T04:06:00.608073Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:06:00.608073Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2110.12303","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":"2026-07-05T04:06:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NgUcki6RCxblYlqaz2WYGNP26IXTSLXyNx0IyfotJZhZ2b3Jd/aSYcrk77pHoPi+NbkhsKvz4iWQhM+J98ZPAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:25:40.348441Z"},"content_sha256":"8fa1cf0074381f4c1f8701160ed616edd1420d568630258ff8dcba76e1054f0e","schema_version":"1.0","event_id":"sha256:8fa1cf0074381f4c1f8701160ed616edd1420d568630258ff8dcba76e1054f0e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:2W4R5NMT57I7ES3JVLEAF57EJZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Acoustic-phonon-mediated superconductivity in Bernal bilayer graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"primary_cat":"cond-mat.supr-con","authors_text":"Fengcheng Wu, Jay D. Sau, Sankar Das Sarma, Yang-Zhi Chou","submitted_at":"2021-10-23T21:46:51Z","abstract_excerpt":"We present a systematic theory of acoustic-phonon-mediated superconductivity, which incorporates Coulomb repulsion, explaining the recent experiment in Bernal bilayer graphene under a large displacement field. The acoustic-phonon mechanism predicts that $s$-wave spin-singlet and $f$-wave spin-triplet pairings are degenerate and dominant. Assuming a spin-polarized valley-unpolarized normal state, we obtain $f$-wave spin-triplet superconductivity with a $T_c\\sim 20$ mK near $n_e=-0.6\\times 10^{12}$ cm$^{-2}$ for hole doping, in approximate agreement with the experiment. We further predict the ex"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.12303","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/2110.12303/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":"2026-07-05T04:06:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C0ykI5wZuqO30ey12/Ad1Ji1n0gw7yGF5Sbv8eJDAysbxrKlaA/J4HaCIUZnqd0yqyWEcv28DfliGzvKXWmNCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:25:40.348934Z"},"content_sha256":"c5bfaa1747fc1c5488a7fd1f0ffbcaf85efdfd6adaa4c17e12ead98f375e75d4","schema_version":"1.0","event_id":"sha256:c5bfaa1747fc1c5488a7fd1f0ffbcaf85efdfd6adaa4c17e12ead98f375e75d4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2W4R5NMT57I7ES3JVLEAF57EJZ/bundle.json","state_url":"https://pith.science/pith/2W4R5NMT57I7ES3JVLEAF57EJZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2W4R5NMT57I7ES3JVLEAF57EJZ/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":"2026-08-04T21:25:40Z","links":{"resolver":"https://pith.science/pith/2W4R5NMT57I7ES3JVLEAF57EJZ","bundle":"https://pith.science/pith/2W4R5NMT57I7ES3JVLEAF57EJZ/bundle.json","state":"https://pith.science/pith/2W4R5NMT57I7ES3JVLEAF57EJZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2W4R5NMT57I7ES3JVLEAF57EJZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:2W4R5NMT57I7ES3JVLEAF57EJZ","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":"037b7502e6cab09831d0ca0a2a746a30a77b6f73fc2e63ae57b531b20bcb1194","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2021-10-23T21:46:51Z","title_canon_sha256":"b07ba7bf7a8339d42a8fc6040bfbf06b18caa9eed0b8ea489fae1d70481c1730"},"schema_version":"1.0","source":{"id":"2110.12303","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.12303","created_at":"2026-07-05T04:06:00Z"},{"alias_kind":"arxiv_version","alias_value":"2110.12303v2","created_at":"2026-07-05T04:06:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.12303","created_at":"2026-07-05T04:06:00Z"},{"alias_kind":"pith_short_12","alias_value":"2W4R5NMT57I7","created_at":"2026-07-05T04:06:00Z"},{"alias_kind":"pith_short_16","alias_value":"2W4R5NMT57I7ES3J","created_at":"2026-07-05T04:06:00Z"},{"alias_kind":"pith_short_8","alias_value":"2W4R5NMT","created_at":"2026-07-05T04:06:00Z"}],"graph_snapshots":[{"event_id":"sha256:c5bfaa1747fc1c5488a7fd1f0ffbcaf85efdfd6adaa4c17e12ead98f375e75d4","target":"graph","created_at":"2026-07-05T04:06:00Z","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/2110.12303/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a systematic theory of acoustic-phonon-mediated superconductivity, which incorporates Coulomb repulsion, explaining the recent experiment in Bernal bilayer graphene under a large displacement field. The acoustic-phonon mechanism predicts that $s$-wave spin-singlet and $f$-wave spin-triplet pairings are degenerate and dominant. Assuming a spin-polarized valley-unpolarized normal state, we obtain $f$-wave spin-triplet superconductivity with a $T_c\\sim 20$ mK near $n_e=-0.6\\times 10^{12}$ cm$^{-2}$ for hole doping, in approximate agreement with the experiment. We further predict the ex","authors_text":"Fengcheng Wu, Jay D. Sau, Sankar Das Sarma, Yang-Zhi Chou","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2021-10-23T21:46:51Z","title":"Acoustic-phonon-mediated superconductivity in Bernal bilayer graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.12303","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":"sha256:8fa1cf0074381f4c1f8701160ed616edd1420d568630258ff8dcba76e1054f0e","target":"record","created_at":"2026-07-05T04:06:00Z","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":"037b7502e6cab09831d0ca0a2a746a30a77b6f73fc2e63ae57b531b20bcb1194","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2021-10-23T21:46:51Z","title_canon_sha256":"b07ba7bf7a8339d42a8fc6040bfbf06b18caa9eed0b8ea489fae1d70481c1730"},"schema_version":"1.0","source":{"id":"2110.12303","kind":"arxiv","version":2}},"canonical_sha256":"d5b91eb593efd1f24b69aac802f7e44e59b7b578ff23e3a5c1afcf0e0b3edf20","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d5b91eb593efd1f24b69aac802f7e44e59b7b578ff23e3a5c1afcf0e0b3edf20","first_computed_at":"2026-07-05T04:06:00.608073Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:06:00.608073Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kX3eDnVZ9ux0YjNGrW4qQarYp1HTund11pigpWl+iuVMRQSslIclp2U/5hDPnzJKm3VWRi76WGBCUrqX77a+Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:06:00.608561Z","signed_message":"canonical_sha256_bytes"},"source_id":"2110.12303","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8fa1cf0074381f4c1f8701160ed616edd1420d568630258ff8dcba76e1054f0e","sha256:c5bfaa1747fc1c5488a7fd1f0ffbcaf85efdfd6adaa4c17e12ead98f375e75d4"],"state_sha256":"92a6353f47ee4b68c3b1a94d5ce8050b440465d283e5052fd9e7eea851927536"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UP0fOWHp951SzGfWJBTRWcqNpsnQ2s1gI6nFpAJEDezxSZGFXXDFfhaOsPif2FFCGQ3eFGWQaFNNzgOeoe+8Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T21:25:40.352672Z","bundle_sha256":"2b4294880066f2613abe84cab809b378c43c2878d6825eb7740a04b9b252d42c"}}