{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:DOQIRD7TL6N63CKBQX6MSHU22U","short_pith_number":"pith:DOQIRD7T","canonical_record":{"source":{"id":"hep-th/9904038","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1999-04-06T21:16:59Z","cross_cats_sorted":[],"title_canon_sha256":"895a1793cca0eae9757ef798970132a0001a34d4183c2d68511a678876ba4007","abstract_canon_sha256":"1e0fe719bdf5238e4776ed5bed81eb355401f5fbd63628d3d184fe209b582411"},"schema_version":"1.0"},"canonical_sha256":"1ba0888ff35f9bed894185fcc91e9ad515b8c1eb27357c0e8511bd746775035d","source":{"kind":"arxiv","id":"hep-th/9904038","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9904038","created_at":"2026-05-18T04:25:39Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9904038v1","created_at":"2026-05-18T04:25:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9904038","created_at":"2026-05-18T04:25:39Z"},{"alias_kind":"pith_short_12","alias_value":"DOQIRD7TL6N6","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"DOQIRD7TL6N63CKB","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"DOQIRD7T","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:DOQIRD7TL6N63CKBQX6MSHU22U","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/9904038","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1999-04-06T21:16:59Z","cross_cats_sorted":[],"title_canon_sha256":"895a1793cca0eae9757ef798970132a0001a34d4183c2d68511a678876ba4007","abstract_canon_sha256":"1e0fe719bdf5238e4776ed5bed81eb355401f5fbd63628d3d184fe209b582411"},"schema_version":"1.0"},"canonical_sha256":"1ba0888ff35f9bed894185fcc91e9ad515b8c1eb27357c0e8511bd746775035d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:25:39.442648Z","signature_b64":"Qz/f8TqoQSus9EwOzTDUFMWePZCCIQrb9d3EEIWtH0hHdGvdySJ7kjspXrwYKdVw68dIKMcESZTtQ91FuJfTAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1ba0888ff35f9bed894185fcc91e9ad515b8c1eb27357c0e8511bd746775035d","last_reissued_at":"2026-05-18T04:25:39.442235Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:25:39.442235Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/9904038","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":"2026-05-18T04:25:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i0lz5pUKYjv0vxWih839l4umKvffVqvux63fMMVanib1I9gpG77uJdEywx9Ke/62xUS0A6L+BBRgMAXEZT8CDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T18:41:51.688632Z"},"content_sha256":"d106e397500bb09fae0abbcbf24f3c35ff2c1026b64c1105bf89dd2ae96cebc5","schema_version":"1.0","event_id":"sha256:d106e397500bb09fae0abbcbf24f3c35ff2c1026b64c1105bf89dd2ae96cebc5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:DOQIRD7TL6N63CKBQX6MSHU22U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Hierarchy of Hamiltonians for a Restricted Class of Natanzon Potentials","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Elso Drigo filho, Regina Maria Ricotta","submitted_at":"1999-04-06T21:16:59Z","abstract_excerpt":"The restricted class of Natanzon potentials with two free parameters is studied within the context of Supersymmetric Quantum Mechanics. The hierarchy of Hamiltonians is indicated, where the first members of the superfamily are explicitly evaluated and a general form for the superpotential is proposed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9904038","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":"2026-05-18T04:25:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"njH5F2PGrCcQvjPVvQdOdzIWFsFr+zh0bbHiruRX3ZpC/nizpDrdcX8bZnpglFVF1qYkjZUVN/FRS1e/gUCGAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T18:41:51.688969Z"},"content_sha256":"e951e25fd63021e98760f19a0f49dbf57584b7eb1a1f46f3d818164149c8648c","schema_version":"1.0","event_id":"sha256:e951e25fd63021e98760f19a0f49dbf57584b7eb1a1f46f3d818164149c8648c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DOQIRD7TL6N63CKBQX6MSHU22U/bundle.json","state_url":"https://pith.science/pith/DOQIRD7TL6N63CKBQX6MSHU22U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DOQIRD7TL6N63CKBQX6MSHU22U/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":"2026-06-24T18:41:51Z","links":{"resolver":"https://pith.science/pith/DOQIRD7TL6N63CKBQX6MSHU22U","bundle":"https://pith.science/pith/DOQIRD7TL6N63CKBQX6MSHU22U/bundle.json","state":"https://pith.science/pith/DOQIRD7TL6N63CKBQX6MSHU22U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DOQIRD7TL6N63CKBQX6MSHU22U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:DOQIRD7TL6N63CKBQX6MSHU22U","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":"1e0fe719bdf5238e4776ed5bed81eb355401f5fbd63628d3d184fe209b582411","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1999-04-06T21:16:59Z","title_canon_sha256":"895a1793cca0eae9757ef798970132a0001a34d4183c2d68511a678876ba4007"},"schema_version":"1.0","source":{"id":"hep-th/9904038","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9904038","created_at":"2026-05-18T04:25:39Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9904038v1","created_at":"2026-05-18T04:25:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9904038","created_at":"2026-05-18T04:25:39Z"},{"alias_kind":"pith_short_12","alias_value":"DOQIRD7TL6N6","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"DOQIRD7TL6N63CKB","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"DOQIRD7T","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:e951e25fd63021e98760f19a0f49dbf57584b7eb1a1f46f3d818164149c8648c","target":"graph","created_at":"2026-05-18T04:25:39Z","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":"The restricted class of Natanzon potentials with two free parameters is studied within the context of Supersymmetric Quantum Mechanics. The hierarchy of Hamiltonians is indicated, where the first members of the superfamily are explicitly evaluated and a general form for the superpotential is proposed.","authors_text":"Elso Drigo filho, Regina Maria Ricotta","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"1999-04-06T21:16:59Z","title":"The Hierarchy of Hamiltonians for a Restricted Class of Natanzon Potentials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9904038","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:d106e397500bb09fae0abbcbf24f3c35ff2c1026b64c1105bf89dd2ae96cebc5","target":"record","created_at":"2026-05-18T04:25:39Z","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":"1e0fe719bdf5238e4776ed5bed81eb355401f5fbd63628d3d184fe209b582411","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1999-04-06T21:16:59Z","title_canon_sha256":"895a1793cca0eae9757ef798970132a0001a34d4183c2d68511a678876ba4007"},"schema_version":"1.0","source":{"id":"hep-th/9904038","kind":"arxiv","version":1}},"canonical_sha256":"1ba0888ff35f9bed894185fcc91e9ad515b8c1eb27357c0e8511bd746775035d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1ba0888ff35f9bed894185fcc91e9ad515b8c1eb27357c0e8511bd746775035d","first_computed_at":"2026-05-18T04:25:39.442235Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:25:39.442235Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Qz/f8TqoQSus9EwOzTDUFMWePZCCIQrb9d3EEIWtH0hHdGvdySJ7kjspXrwYKdVw68dIKMcESZTtQ91FuJfTAw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:25:39.442648Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/9904038","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d106e397500bb09fae0abbcbf24f3c35ff2c1026b64c1105bf89dd2ae96cebc5","sha256:e951e25fd63021e98760f19a0f49dbf57584b7eb1a1f46f3d818164149c8648c"],"state_sha256":"cdfb44cce3210950703cc5813b240c3049596d6d7855178dc54070bae4aac260"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P/S98nSPyq9smkjtWf4oMSBSUSNQVMKSEdfARcmWJkB5Cvf+7+mLejx8cLiK5v7q+QkpdKl39B2aq6E4LM8LAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T18:41:51.690871Z","bundle_sha256":"56ea6acf5f50dc2eb774233488717f5398ef61629c2fe5a9046e08e1cf1e4097"}}