{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:MZ36Y6KNJLBFYXBNZCUESUUFZY","short_pith_number":"pith:MZ36Y6KN","canonical_record":{"source":{"id":"1207.6486","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-07-27T08:29:50Z","cross_cats_sorted":[],"title_canon_sha256":"6f333e0152b69dbc583bba2614c18db6d510cce9c5b42011e659c546ddf2cbfd","abstract_canon_sha256":"f5b05b9f019a1724e0e9472a6b41347b3f06f0b72f8155ad6e0696cacd6dfd16"},"schema_version":"1.0"},"canonical_sha256":"6677ec794d4ac25c5c2dc8a8495285ce004d52cc80ef19b232ed791dee348744","source":{"kind":"arxiv","id":"1207.6486","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.6486","created_at":"2026-05-18T03:49:59Z"},{"alias_kind":"arxiv_version","alias_value":"1207.6486v1","created_at":"2026-05-18T03:49:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.6486","created_at":"2026-05-18T03:49:59Z"},{"alias_kind":"pith_short_12","alias_value":"MZ36Y6KNJLBF","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"MZ36Y6KNJLBFYXBN","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"MZ36Y6KN","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:MZ36Y6KNJLBFYXBNZCUESUUFZY","target":"record","payload":{"canonical_record":{"source":{"id":"1207.6486","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-07-27T08:29:50Z","cross_cats_sorted":[],"title_canon_sha256":"6f333e0152b69dbc583bba2614c18db6d510cce9c5b42011e659c546ddf2cbfd","abstract_canon_sha256":"f5b05b9f019a1724e0e9472a6b41347b3f06f0b72f8155ad6e0696cacd6dfd16"},"schema_version":"1.0"},"canonical_sha256":"6677ec794d4ac25c5c2dc8a8495285ce004d52cc80ef19b232ed791dee348744","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:49:59.192785Z","signature_b64":"WwBkeHT4H56J/kD7RDtipOiWfsQu5Garx0cf8/YCbaHc6ot0td7CKPdwV2QbApXumnirfApyvol5hwCgzOHwAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6677ec794d4ac25c5c2dc8a8495285ce004d52cc80ef19b232ed791dee348744","last_reissued_at":"2026-05-18T03:49:59.192186Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:49:59.192186Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.6486","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":"2026-05-18T03:49:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+IYVx170z9lIQeSg6E/Cdp8ocTLJHiyEqUcE1bHtoDCPXfdTP9C0J9ah4bnvSbF7VjEYeHBcWQXz4505KYazCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T02:41:40.001596Z"},"content_sha256":"f7dc6f98c1518cbb7882ae08199d2f0e4da8677977c171015f9f0d5506c56fa3","schema_version":"1.0","event_id":"sha256:f7dc6f98c1518cbb7882ae08199d2f0e4da8677977c171015f9f0d5506c56fa3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:MZ36Y6KNJLBFYXBNZCUESUUFZY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Reconstruction of the electron-phonon interaction function in Ta, 2H-NbSe2 and MgB2 from spectra of S - c - N point-contacts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"I. K. Yanson, N. L. Bobrov, O. E. Kvitnitskaya, V. N. Chernobay, V. V. Fisun","submitted_at":"2012-07-27T08:29:50Z","abstract_excerpt":"Using Ta, 2H-NbSe2 and MgB2 as an example it is shown that it is possible to reconstruct qualitatively a function of the electron-phonon interaction from point-contact spectra in a superconducting state. The limits and the restrictions of this method are also shown. The results obtained are compared with available literature data."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.6486","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":"2026-05-18T03:49:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"absNpnzTQcvxV5q8kO0Htqwv2W91E+J1W/5/D/nuicrgC1esAmaG0jTYv0F8n8TWkb7VA+Ga4w/WebB0r8vEAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T02:41:40.002289Z"},"content_sha256":"145c003f1cb65ea53abaadef9abb994df85cd3860d616cb32d15dc44e9aecb90","schema_version":"1.0","event_id":"sha256:145c003f1cb65ea53abaadef9abb994df85cd3860d616cb32d15dc44e9aecb90"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MZ36Y6KNJLBFYXBNZCUESUUFZY/bundle.json","state_url":"https://pith.science/pith/MZ36Y6KNJLBFYXBNZCUESUUFZY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MZ36Y6KNJLBFYXBNZCUESUUFZY/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":"2026-06-11T02:41:40Z","links":{"resolver":"https://pith.science/pith/MZ36Y6KNJLBFYXBNZCUESUUFZY","bundle":"https://pith.science/pith/MZ36Y6KNJLBFYXBNZCUESUUFZY/bundle.json","state":"https://pith.science/pith/MZ36Y6KNJLBFYXBNZCUESUUFZY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MZ36Y6KNJLBFYXBNZCUESUUFZY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:MZ36Y6KNJLBFYXBNZCUESUUFZY","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":"f5b05b9f019a1724e0e9472a6b41347b3f06f0b72f8155ad6e0696cacd6dfd16","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-07-27T08:29:50Z","title_canon_sha256":"6f333e0152b69dbc583bba2614c18db6d510cce9c5b42011e659c546ddf2cbfd"},"schema_version":"1.0","source":{"id":"1207.6486","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.6486","created_at":"2026-05-18T03:49:59Z"},{"alias_kind":"arxiv_version","alias_value":"1207.6486v1","created_at":"2026-05-18T03:49:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.6486","created_at":"2026-05-18T03:49:59Z"},{"alias_kind":"pith_short_12","alias_value":"MZ36Y6KNJLBF","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"MZ36Y6KNJLBFYXBN","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"MZ36Y6KN","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:145c003f1cb65ea53abaadef9abb994df85cd3860d616cb32d15dc44e9aecb90","target":"graph","created_at":"2026-05-18T03:49:59Z","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":"Using Ta, 2H-NbSe2 and MgB2 as an example it is shown that it is possible to reconstruct qualitatively a function of the electron-phonon interaction from point-contact spectra in a superconducting state. The limits and the restrictions of this method are also shown. The results obtained are compared with available literature data.","authors_text":"I. K. Yanson, N. L. Bobrov, O. E. Kvitnitskaya, V. N. Chernobay, V. V. Fisun","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-07-27T08:29:50Z","title":"Reconstruction of the electron-phonon interaction function in Ta, 2H-NbSe2 and MgB2 from spectra of S - c - N point-contacts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.6486","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:f7dc6f98c1518cbb7882ae08199d2f0e4da8677977c171015f9f0d5506c56fa3","target":"record","created_at":"2026-05-18T03:49:59Z","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":"f5b05b9f019a1724e0e9472a6b41347b3f06f0b72f8155ad6e0696cacd6dfd16","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-07-27T08:29:50Z","title_canon_sha256":"6f333e0152b69dbc583bba2614c18db6d510cce9c5b42011e659c546ddf2cbfd"},"schema_version":"1.0","source":{"id":"1207.6486","kind":"arxiv","version":1}},"canonical_sha256":"6677ec794d4ac25c5c2dc8a8495285ce004d52cc80ef19b232ed791dee348744","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6677ec794d4ac25c5c2dc8a8495285ce004d52cc80ef19b232ed791dee348744","first_computed_at":"2026-05-18T03:49:59.192186Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:49:59.192186Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WwBkeHT4H56J/kD7RDtipOiWfsQu5Garx0cf8/YCbaHc6ot0td7CKPdwV2QbApXumnirfApyvol5hwCgzOHwAA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:49:59.192785Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.6486","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f7dc6f98c1518cbb7882ae08199d2f0e4da8677977c171015f9f0d5506c56fa3","sha256:145c003f1cb65ea53abaadef9abb994df85cd3860d616cb32d15dc44e9aecb90"],"state_sha256":"968358e0a70b3393fd182ac2afaaa7febb9ae52ae7d6e1ef19a4e3ecdbc166cd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2uDfXVoUAEfbfYVZP+VHynYQHzOi3bs2tETfUyIzX5pHTCFBXRLN7j0vMt/p4gdL6LXcSTNDw/a4fcaezNp4Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T02:41:40.006723Z","bundle_sha256":"adc1299a9a7e0bcfb74edc7c6971ff93bb2c6cb288154ba20654b8ef8f3eb55e"}}