{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:HFO3FW3FM4TTBT47W6VVID5DXX","short_pith_number":"pith:HFO3FW3F","canonical_record":{"source":{"id":"1511.04304","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-11-13T15:02:50Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"f45a0fbb8905cfc129000a72cb02fae5e9a7ffc6e2b1901eb7fb6d60605f62b4","abstract_canon_sha256":"6e09f88e815b7005af5b92936862859ab6dc7ea96382f7a3c2646ed85de82280"},"schema_version":"1.0"},"canonical_sha256":"395db2db65672730cf9fb7ab540fa3bdc5388328005a7bd9dbf0678f0d1ec210","source":{"kind":"arxiv","id":"1511.04304","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.04304","created_at":"2026-05-18T01:08:26Z"},{"alias_kind":"arxiv_version","alias_value":"1511.04304v2","created_at":"2026-05-18T01:08:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.04304","created_at":"2026-05-18T01:08:26Z"},{"alias_kind":"pith_short_12","alias_value":"HFO3FW3FM4TT","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"HFO3FW3FM4TTBT47","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"HFO3FW3F","created_at":"2026-05-18T12:29:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:HFO3FW3FM4TTBT47W6VVID5DXX","target":"record","payload":{"canonical_record":{"source":{"id":"1511.04304","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-11-13T15:02:50Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"f45a0fbb8905cfc129000a72cb02fae5e9a7ffc6e2b1901eb7fb6d60605f62b4","abstract_canon_sha256":"6e09f88e815b7005af5b92936862859ab6dc7ea96382f7a3c2646ed85de82280"},"schema_version":"1.0"},"canonical_sha256":"395db2db65672730cf9fb7ab540fa3bdc5388328005a7bd9dbf0678f0d1ec210","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:08:26.202697Z","signature_b64":"WiTp9v6LYPYqxLd4xz+SBaj8XJadFJvtT8/WuqNvDNdLRXtDusGzB2tpduI8NUUUAvQjHgOrqQe4GrGVaMLMCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"395db2db65672730cf9fb7ab540fa3bdc5388328005a7bd9dbf0678f0d1ec210","last_reissued_at":"2026-05-18T01:08:26.202101Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:08:26.202101Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.04304","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":"2026-05-18T01:08:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pzrb8RH51OA4Y1sUaK9QP39LcLFFBS1dr0EpP+sEHcm4arxjuBn0hy2W6LqEvaedOtPPE27ZP9wEkvJPD1AXBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T02:28:24.090671Z"},"content_sha256":"82398e778e4a01dff25cfe2f6d5af820147802a7b5a6383418692809f8cfea0f","schema_version":"1.0","event_id":"sha256:82398e778e4a01dff25cfe2f6d5af820147802a7b5a6383418692809f8cfea0f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:HFO3FW3FM4TTBT47W6VVID5DXX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Band structure and electron-phonon coupling in H$_3$S:a tight-binding model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"Emmanuele Cappelluti, Luciano Ortenzi, Luciano Pietronero","submitted_at":"2015-11-13T15:02:50Z","abstract_excerpt":"We present a robust tight-binding description, based on the Slater-Koster formalism, of the band structure of H$_3$S in the {\\em Im}$\\bar{3}${\\em m} structure, stable in the range of pressure $P = 180-220$ GPa. We show that the interatomic hopping between the 3$s$ and 3$p$ orbitals (and partially between the 3$p$ orbitals themselves) of sulphur is fundamental to capture the relevant physics associated with the Van Hove singularities close to the Fermi level. Comparing the model so defined with density functional theory calculations we obtain a very good agreement not only of the overall band-s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.04304","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":"2026-05-18T01:08:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sAUzUDO4wpMkZvRFaY/0MnsPOX+Tqjv9XViPGBQF4/NKcTvukGY1xhe4/tTkyI+fayx7sfr3z03QPv7K1eqmCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T02:28:24.091011Z"},"content_sha256":"acccf94f9e3fddd7ac0465c00db419ef87cd68e785b5c6856e9828a800a2f6ea","schema_version":"1.0","event_id":"sha256:acccf94f9e3fddd7ac0465c00db419ef87cd68e785b5c6856e9828a800a2f6ea"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HFO3FW3FM4TTBT47W6VVID5DXX/bundle.json","state_url":"https://pith.science/pith/HFO3FW3FM4TTBT47W6VVID5DXX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HFO3FW3FM4TTBT47W6VVID5DXX/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":"2026-06-03T02:28:24Z","links":{"resolver":"https://pith.science/pith/HFO3FW3FM4TTBT47W6VVID5DXX","bundle":"https://pith.science/pith/HFO3FW3FM4TTBT47W6VVID5DXX/bundle.json","state":"https://pith.science/pith/HFO3FW3FM4TTBT47W6VVID5DXX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HFO3FW3FM4TTBT47W6VVID5DXX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:HFO3FW3FM4TTBT47W6VVID5DXX","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":"6e09f88e815b7005af5b92936862859ab6dc7ea96382f7a3c2646ed85de82280","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-11-13T15:02:50Z","title_canon_sha256":"f45a0fbb8905cfc129000a72cb02fae5e9a7ffc6e2b1901eb7fb6d60605f62b4"},"schema_version":"1.0","source":{"id":"1511.04304","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.04304","created_at":"2026-05-18T01:08:26Z"},{"alias_kind":"arxiv_version","alias_value":"1511.04304v2","created_at":"2026-05-18T01:08:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.04304","created_at":"2026-05-18T01:08:26Z"},{"alias_kind":"pith_short_12","alias_value":"HFO3FW3FM4TT","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"HFO3FW3FM4TTBT47","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"HFO3FW3F","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:acccf94f9e3fddd7ac0465c00db419ef87cd68e785b5c6856e9828a800a2f6ea","target":"graph","created_at":"2026-05-18T01:08:26Z","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 present a robust tight-binding description, based on the Slater-Koster formalism, of the band structure of H$_3$S in the {\\em Im}$\\bar{3}${\\em m} structure, stable in the range of pressure $P = 180-220$ GPa. We show that the interatomic hopping between the 3$s$ and 3$p$ orbitals (and partially between the 3$p$ orbitals themselves) of sulphur is fundamental to capture the relevant physics associated with the Van Hove singularities close to the Fermi level. Comparing the model so defined with density functional theory calculations we obtain a very good agreement not only of the overall band-s","authors_text":"Emmanuele Cappelluti, Luciano Ortenzi, Luciano Pietronero","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-11-13T15:02:50Z","title":"Band structure and electron-phonon coupling in H$_3$S:a tight-binding model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.04304","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":"sha256:82398e778e4a01dff25cfe2f6d5af820147802a7b5a6383418692809f8cfea0f","target":"record","created_at":"2026-05-18T01:08:26Z","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":"6e09f88e815b7005af5b92936862859ab6dc7ea96382f7a3c2646ed85de82280","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-11-13T15:02:50Z","title_canon_sha256":"f45a0fbb8905cfc129000a72cb02fae5e9a7ffc6e2b1901eb7fb6d60605f62b4"},"schema_version":"1.0","source":{"id":"1511.04304","kind":"arxiv","version":2}},"canonical_sha256":"395db2db65672730cf9fb7ab540fa3bdc5388328005a7bd9dbf0678f0d1ec210","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"395db2db65672730cf9fb7ab540fa3bdc5388328005a7bd9dbf0678f0d1ec210","first_computed_at":"2026-05-18T01:08:26.202101Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:08:26.202101Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WiTp9v6LYPYqxLd4xz+SBaj8XJadFJvtT8/WuqNvDNdLRXtDusGzB2tpduI8NUUUAvQjHgOrqQe4GrGVaMLMCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:08:26.202697Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.04304","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:82398e778e4a01dff25cfe2f6d5af820147802a7b5a6383418692809f8cfea0f","sha256:acccf94f9e3fddd7ac0465c00db419ef87cd68e785b5c6856e9828a800a2f6ea"],"state_sha256":"c806c99e27737e4f7de01a80f266b869bfdfccee5f44ff63a48519297aebb491"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XUm/EngF6HGU7Iypx6A0sl7pygqSP/eK2sQQdc3tJeCa8L7VHkDcyOqMoaz/3DwGq0ftZIVKloL5Fb7rr6Z5Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T02:28:24.092909Z","bundle_sha256":"0c95dad2135a87344f28ea62eb59f90dff672669c0c102b770ad1dde9f419873"}}