{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:D4QGOOFKXHWXSFSRBCYSR4ASHF","short_pith_number":"pith:D4QGOOFK","canonical_record":{"source":{"id":"hep-th/0012167","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2000-12-19T09:12:07Z","cross_cats_sorted":[],"title_canon_sha256":"43ea5eb2160bb81c9b148f5b4c12e98b1d9a94e98fa1b9308b037dfcc59c465c","abstract_canon_sha256":"bd16c2ac5bdaf07bc1b6fc9ca7819676c3fc2ae8877a7d95c72da35bdb010d2a"},"schema_version":"1.0"},"canonical_sha256":"1f206738aab9ed79165108b128f0123969abb5a640cb2ddd365aff517585d49b","source":{"kind":"arxiv","id":"hep-th/0012167","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0012167","created_at":"2026-05-18T01:38:54Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0012167v2","created_at":"2026-05-18T01:38:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0012167","created_at":"2026-05-18T01:38:54Z"},{"alias_kind":"pith_short_12","alias_value":"D4QGOOFKXHWX","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"D4QGOOFKXHWXSFSR","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"D4QGOOFK","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:D4QGOOFKXHWXSFSRBCYSR4ASHF","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/0012167","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2000-12-19T09:12:07Z","cross_cats_sorted":[],"title_canon_sha256":"43ea5eb2160bb81c9b148f5b4c12e98b1d9a94e98fa1b9308b037dfcc59c465c","abstract_canon_sha256":"bd16c2ac5bdaf07bc1b6fc9ca7819676c3fc2ae8877a7d95c72da35bdb010d2a"},"schema_version":"1.0"},"canonical_sha256":"1f206738aab9ed79165108b128f0123969abb5a640cb2ddd365aff517585d49b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:38:54.979341Z","signature_b64":"6Rtyai4GWA0MvttoOLBatfRjoWC47e1QoAMXvV3L01fLgkP+Sq+toTNGT25VZN/vyJTUQrrtIBWkRpVBZQZKAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1f206738aab9ed79165108b128f0123969abb5a640cb2ddd365aff517585d49b","last_reissued_at":"2026-05-18T01:38:54.978643Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:38:54.978643Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/0012167","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":"2026-05-18T01:38:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TiVbEFj7aNYR5+nLJdm3ygWcm3B7Fgo2qKUUuUpNo2kXfwzg+HgTIenKR2F+Un8PPkC7s3FscwvoiUMy8R2lDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:26:57.987503Z"},"content_sha256":"e9c58f2b85c48cd20e9b443a7a6d100002fd4ccf194ddc206e59055eafc6558f","schema_version":"1.0","event_id":"sha256:e9c58f2b85c48cd20e9b443a7a6d100002fd4ccf194ddc206e59055eafc6558f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:D4QGOOFKXHWXSFSRBCYSR4ASHF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"D-branes in type I string theory","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"A.Lerda, L. Gallot, M. Frau, P.Strigazzi","submitted_at":"2000-12-19T09:12:07Z","abstract_excerpt":"We review the boundary state description of D-branes in type I string theory and show that the only stable non-BPS configurations are the D-particle and the D-instanton. We also compute the gauge and gravitational interactions of the non-BPS D-particles and compare them with the interactions of the dual non-BPS states of the heterotic string, finding complete agreement."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0012167","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":"2026-05-18T01:38:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xyup2nisnOV/2+dpaAjl5P7kHPGINaBhQoPYtoyljvIXcfLGcYnUmTcsT826dhFnjjKUy+imxHybRtXawbLoBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:26:57.988178Z"},"content_sha256":"0131bc262133f5cb521dc18a06e1e252db9ad370eca3fdcbf56a4621a0853ccf","schema_version":"1.0","event_id":"sha256:0131bc262133f5cb521dc18a06e1e252db9ad370eca3fdcbf56a4621a0853ccf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D4QGOOFKXHWXSFSRBCYSR4ASHF/bundle.json","state_url":"https://pith.science/pith/D4QGOOFKXHWXSFSRBCYSR4ASHF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D4QGOOFKXHWXSFSRBCYSR4ASHF/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":"2026-05-27T01:26:57Z","links":{"resolver":"https://pith.science/pith/D4QGOOFKXHWXSFSRBCYSR4ASHF","bundle":"https://pith.science/pith/D4QGOOFKXHWXSFSRBCYSR4ASHF/bundle.json","state":"https://pith.science/pith/D4QGOOFKXHWXSFSRBCYSR4ASHF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D4QGOOFKXHWXSFSRBCYSR4ASHF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:D4QGOOFKXHWXSFSRBCYSR4ASHF","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":"bd16c2ac5bdaf07bc1b6fc9ca7819676c3fc2ae8877a7d95c72da35bdb010d2a","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"2000-12-19T09:12:07Z","title_canon_sha256":"43ea5eb2160bb81c9b148f5b4c12e98b1d9a94e98fa1b9308b037dfcc59c465c"},"schema_version":"1.0","source":{"id":"hep-th/0012167","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0012167","created_at":"2026-05-18T01:38:54Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0012167v2","created_at":"2026-05-18T01:38:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0012167","created_at":"2026-05-18T01:38:54Z"},{"alias_kind":"pith_short_12","alias_value":"D4QGOOFKXHWX","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"D4QGOOFKXHWXSFSR","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"D4QGOOFK","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:0131bc262133f5cb521dc18a06e1e252db9ad370eca3fdcbf56a4621a0853ccf","target":"graph","created_at":"2026-05-18T01:38:54Z","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 review the boundary state description of D-branes in type I string theory and show that the only stable non-BPS configurations are the D-particle and the D-instanton. We also compute the gauge and gravitational interactions of the non-BPS D-particles and compare them with the interactions of the dual non-BPS states of the heterotic string, finding complete agreement.","authors_text":"A.Lerda, L. Gallot, M. Frau, P.Strigazzi","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"2000-12-19T09:12:07Z","title":"D-branes in type I string theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0012167","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:e9c58f2b85c48cd20e9b443a7a6d100002fd4ccf194ddc206e59055eafc6558f","target":"record","created_at":"2026-05-18T01:38:54Z","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":"bd16c2ac5bdaf07bc1b6fc9ca7819676c3fc2ae8877a7d95c72da35bdb010d2a","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"2000-12-19T09:12:07Z","title_canon_sha256":"43ea5eb2160bb81c9b148f5b4c12e98b1d9a94e98fa1b9308b037dfcc59c465c"},"schema_version":"1.0","source":{"id":"hep-th/0012167","kind":"arxiv","version":2}},"canonical_sha256":"1f206738aab9ed79165108b128f0123969abb5a640cb2ddd365aff517585d49b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1f206738aab9ed79165108b128f0123969abb5a640cb2ddd365aff517585d49b","first_computed_at":"2026-05-18T01:38:54.978643Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:38:54.978643Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6Rtyai4GWA0MvttoOLBatfRjoWC47e1QoAMXvV3L01fLgkP+Sq+toTNGT25VZN/vyJTUQrrtIBWkRpVBZQZKAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:38:54.979341Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/0012167","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e9c58f2b85c48cd20e9b443a7a6d100002fd4ccf194ddc206e59055eafc6558f","sha256:0131bc262133f5cb521dc18a06e1e252db9ad370eca3fdcbf56a4621a0853ccf"],"state_sha256":"158c171e4994bac8215b447faf0e3819c86a55bdbd2b140ac60ebdf676aabb26"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mRUTESpasBQOjNwjBjhRUoKgOIJdiTYAMvY9km8alqWscV9lEvsL9Li5M/C3qbLVpc+L3GGfrND359Ta4BlqBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T01:26:57.991971Z","bundle_sha256":"3f2b2cfe74d5a01a7d13be5a07fb1eb6739456914053eb7f3021981f75520cd6"}}