{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:YZYFSPHLBMQ2N77Y6RHST6BVSW","short_pith_number":"pith:YZYFSPHL","canonical_record":{"source":{"id":"2105.02296","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2021-05-05T19:37:17Z","cross_cats_sorted":[],"title_canon_sha256":"700ad57bb0a166971a52c729fcbe8bcbdd7e8da5d93e0b3a083784fd5e3a52f5","abstract_canon_sha256":"cca813686af4c39b8b97bc42537711878333ce2edf5ed1e5570f3a6289da1f71"},"schema_version":"1.0"},"canonical_sha256":"c670593ceb0b21a6fff8f44f29f83595b686bc294cf4759c3ee8d1c77cf5ba19","source":{"kind":"arxiv","id":"2105.02296","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.02296","created_at":"2026-07-05T03:04:52Z"},{"alias_kind":"arxiv_version","alias_value":"2105.02296v3","created_at":"2026-07-05T03:04:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.02296","created_at":"2026-07-05T03:04:52Z"},{"alias_kind":"pith_short_12","alias_value":"YZYFSPHLBMQ2","created_at":"2026-07-05T03:04:52Z"},{"alias_kind":"pith_short_16","alias_value":"YZYFSPHLBMQ2N77Y","created_at":"2026-07-05T03:04:52Z"},{"alias_kind":"pith_short_8","alias_value":"YZYFSPHL","created_at":"2026-07-05T03:04:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:YZYFSPHLBMQ2N77Y6RHST6BVSW","target":"record","payload":{"canonical_record":{"source":{"id":"2105.02296","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2021-05-05T19:37:17Z","cross_cats_sorted":[],"title_canon_sha256":"700ad57bb0a166971a52c729fcbe8bcbdd7e8da5d93e0b3a083784fd5e3a52f5","abstract_canon_sha256":"cca813686af4c39b8b97bc42537711878333ce2edf5ed1e5570f3a6289da1f71"},"schema_version":"1.0"},"canonical_sha256":"c670593ceb0b21a6fff8f44f29f83595b686bc294cf4759c3ee8d1c77cf5ba19","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:04:52.151845Z","signature_b64":"st8vYFuWaYjeALJPm1FiHfA3sfim/JCWHb1URte8+UZLw8FdKVIgQFYQ+jaSaqbn+2iwdlLaPdqlzBSvt2OnDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c670593ceb0b21a6fff8f44f29f83595b686bc294cf4759c3ee8d1c77cf5ba19","last_reissued_at":"2026-07-05T03:04:52.151485Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:04:52.151485Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2105.02296","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:04:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qXAd9t7IlmjdpadqSo6dE4eJeeCrfZAoLT6LZ3f1LWU/m0gZeOvhwYvqbO4zKdMi/qNWZkiA8xdb+pun4B75Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T18:40:27.865713Z"},"content_sha256":"5c197bad8089012388d7a79fff98ffaf39c60032dd26a47c94262bd09065a7af","schema_version":"1.0","event_id":"sha256:5c197bad8089012388d7a79fff98ffaf39c60032dd26a47c94262bd09065a7af"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:YZYFSPHLBMQ2N77Y6RHST6BVSW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High-throughput discovery of high-temperature conventional superconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Alice M. Shipley, Chris J. Pickard, Michael J. Hutcheon, Richard J. Needs","submitted_at":"2021-05-05T19:37:17Z","abstract_excerpt":"We survey the landscape of binary hydrides across the entire periodic table from 10 to 500 GPa using a crystal structure prediction method. Building a critical temperature ($T_c$) model, with inputs arising from density of states calculations and Gaspari-Gyorffy theory, allows us to predict which energetically competitive candidates are most promising for high-$T_c$ superconductivity. Implementing optimisations, which lead to an order of magnitude speed-up for electron-phonon calculations, then allows us to perform an unprecedented number of \"high-throughput\" calculations of $T_c$ based on the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.02296","kind":"arxiv","version":3},"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/2105.02296/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":"2026-07-05T03:04:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VHmTKg/CUJMmsyyd/hZ4ZUyMba7tiFXuy2h8hTD3kKskLYvOUvtOfzhI6+JkxCMos9/FU0tL8TYNZDhlYcEzCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T18:40:27.866086Z"},"content_sha256":"cb2aef8c5fccf65eb83f9970e3e7519ed61a8cac292fa4b75bb0d15603d909ec","schema_version":"1.0","event_id":"sha256:cb2aef8c5fccf65eb83f9970e3e7519ed61a8cac292fa4b75bb0d15603d909ec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YZYFSPHLBMQ2N77Y6RHST6BVSW/bundle.json","state_url":"https://pith.science/pith/YZYFSPHLBMQ2N77Y6RHST6BVSW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YZYFSPHLBMQ2N77Y6RHST6BVSW/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":"2026-07-06T18:40:27Z","links":{"resolver":"https://pith.science/pith/YZYFSPHLBMQ2N77Y6RHST6BVSW","bundle":"https://pith.science/pith/YZYFSPHLBMQ2N77Y6RHST6BVSW/bundle.json","state":"https://pith.science/pith/YZYFSPHLBMQ2N77Y6RHST6BVSW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YZYFSPHLBMQ2N77Y6RHST6BVSW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:YZYFSPHLBMQ2N77Y6RHST6BVSW","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":"cca813686af4c39b8b97bc42537711878333ce2edf5ed1e5570f3a6289da1f71","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2021-05-05T19:37:17Z","title_canon_sha256":"700ad57bb0a166971a52c729fcbe8bcbdd7e8da5d93e0b3a083784fd5e3a52f5"},"schema_version":"1.0","source":{"id":"2105.02296","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.02296","created_at":"2026-07-05T03:04:52Z"},{"alias_kind":"arxiv_version","alias_value":"2105.02296v3","created_at":"2026-07-05T03:04:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.02296","created_at":"2026-07-05T03:04:52Z"},{"alias_kind":"pith_short_12","alias_value":"YZYFSPHLBMQ2","created_at":"2026-07-05T03:04:52Z"},{"alias_kind":"pith_short_16","alias_value":"YZYFSPHLBMQ2N77Y","created_at":"2026-07-05T03:04:52Z"},{"alias_kind":"pith_short_8","alias_value":"YZYFSPHL","created_at":"2026-07-05T03:04:52Z"}],"graph_snapshots":[{"event_id":"sha256:cb2aef8c5fccf65eb83f9970e3e7519ed61a8cac292fa4b75bb0d15603d909ec","target":"graph","created_at":"2026-07-05T03:04:52Z","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/2105.02296/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We survey the landscape of binary hydrides across the entire periodic table from 10 to 500 GPa using a crystal structure prediction method. Building a critical temperature ($T_c$) model, with inputs arising from density of states calculations and Gaspari-Gyorffy theory, allows us to predict which energetically competitive candidates are most promising for high-$T_c$ superconductivity. Implementing optimisations, which lead to an order of magnitude speed-up for electron-phonon calculations, then allows us to perform an unprecedented number of \"high-throughput\" calculations of $T_c$ based on the","authors_text":"Alice M. Shipley, Chris J. Pickard, Michael J. Hutcheon, Richard J. Needs","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2021-05-05T19:37:17Z","title":"High-throughput discovery of high-temperature conventional superconductors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.02296","kind":"arxiv","version":3},"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":"sha256:5c197bad8089012388d7a79fff98ffaf39c60032dd26a47c94262bd09065a7af","target":"record","created_at":"2026-07-05T03:04:52Z","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":"cca813686af4c39b8b97bc42537711878333ce2edf5ed1e5570f3a6289da1f71","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2021-05-05T19:37:17Z","title_canon_sha256":"700ad57bb0a166971a52c729fcbe8bcbdd7e8da5d93e0b3a083784fd5e3a52f5"},"schema_version":"1.0","source":{"id":"2105.02296","kind":"arxiv","version":3}},"canonical_sha256":"c670593ceb0b21a6fff8f44f29f83595b686bc294cf4759c3ee8d1c77cf5ba19","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c670593ceb0b21a6fff8f44f29f83595b686bc294cf4759c3ee8d1c77cf5ba19","first_computed_at":"2026-07-05T03:04:52.151485Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:04:52.151485Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"st8vYFuWaYjeALJPm1FiHfA3sfim/JCWHb1URte8+UZLw8FdKVIgQFYQ+jaSaqbn+2iwdlLaPdqlzBSvt2OnDA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:04:52.151845Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.02296","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5c197bad8089012388d7a79fff98ffaf39c60032dd26a47c94262bd09065a7af","sha256:cb2aef8c5fccf65eb83f9970e3e7519ed61a8cac292fa4b75bb0d15603d909ec"],"state_sha256":"19780589559fead984d718b26de8ce1a5b8028eadefcbc8e789c3f30e79de0ef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+hGBNGXz9hnB8X0DEQEBmO9hVtnVVBvrjJjQs6wF2BZoTJqpTHl5OU3ZA1rsbLXWUylny3Jkj5H/H1VAuVhJAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T18:40:27.868027Z","bundle_sha256":"a40bd72f26bf744a5aed0eb6eac9835bc902395fb07df007200cf2680409dfff"}}