{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:S2MA4YLGEDCAGWLAVSTYKQSRAH","short_pith_number":"pith:S2MA4YLG","canonical_record":{"source":{"id":"hep-th/0702106","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2007-02-14T09:52:20Z","cross_cats_sorted":[],"title_canon_sha256":"3c99bbb0d1bf47247848f4477fd0409be3b1c3dfef478dea9875c54d7208d820","abstract_canon_sha256":"9e7f098916bc5e01d2a8633a2c613222c94124e8fc9d34fa28b3821258f61082"},"schema_version":"1.0"},"canonical_sha256":"96980e616620c4035960aca785425101f612c2ea83dac13d7c3b30a94053154c","source":{"kind":"arxiv","id":"hep-th/0702106","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0702106","created_at":"2026-07-04T15:16:40Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0702106v1","created_at":"2026-07-04T15:16:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0702106","created_at":"2026-07-04T15:16:40Z"},{"alias_kind":"pith_short_12","alias_value":"S2MA4YLGEDCA","created_at":"2026-07-04T15:16:40Z"},{"alias_kind":"pith_short_16","alias_value":"S2MA4YLGEDCAGWLA","created_at":"2026-07-04T15:16:40Z"},{"alias_kind":"pith_short_8","alias_value":"S2MA4YLG","created_at":"2026-07-04T15:16:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:S2MA4YLGEDCAGWLAVSTYKQSRAH","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/0702106","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2007-02-14T09:52:20Z","cross_cats_sorted":[],"title_canon_sha256":"3c99bbb0d1bf47247848f4477fd0409be3b1c3dfef478dea9875c54d7208d820","abstract_canon_sha256":"9e7f098916bc5e01d2a8633a2c613222c94124e8fc9d34fa28b3821258f61082"},"schema_version":"1.0"},"canonical_sha256":"96980e616620c4035960aca785425101f612c2ea83dac13d7c3b30a94053154c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:16:40.635507Z","signature_b64":"hc/6op58BxzPLRkx9OB9sK7MBmq95ZREHIPEWYDf14MxvWQWbLIlTdPwUUHchjAMuru+P8L4o2+BO43kzQKLBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"96980e616620c4035960aca785425101f612c2ea83dac13d7c3b30a94053154c","last_reissued_at":"2026-07-04T15:16:40.635097Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:16:40.635097Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/0702106","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":"2026-07-04T15:16:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jHNaKAWE/P/+LQkVoa2K2J+UPNQ398M3YDmBkqS9DxelZNXqDAq0cWx1klPfUuEhkfEN0mGS+Ted5x5k1c+EAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T07:03:30.815734Z"},"content_sha256":"0eedcbada595afd1d6476b225307e50dd8cb0ffcfcaeac76d5ffa2ac27b4b3d1","schema_version":"1.0","event_id":"sha256:0eedcbada595afd1d6476b225307e50dd8cb0ffcfcaeac76d5ffa2ac27b4b3d1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:S2MA4YLGEDCAGWLAVSTYKQSRAH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Sigma Models with N=8 Supersymmetries in 2+1 and 1+1 Dimensions","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Alexander D. Popov","submitted_at":"2007-02-14T09:52:20Z","abstract_excerpt":"We introduce an N=8 supersymmetric extension of the Bogomolny-type model for Yang-Mills-Higgs fields in 2+1 dimensions related with twistor string theory. It is shown that this model is equivalent to an N=8 supersymmetric U(n) chiral model in 2+1 dimensions with a Wess-Zumino-Witten-type term. Further reduction to 1+1 dimensions yields N=(8,8) supersymmetric extensions of the standard U(n) chiral model and Grassmannian sigma models."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0702106","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-th/0702106/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":"2026-07-04T15:16:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"flB12yTClo5+9bE1fZm7qiFTtV+G1pIzRnEkCQ1QD1gaMdnlr3CMpbsjULJVSGRZgbgUP+wJpvizyNIeXRWPBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T07:03:30.816096Z"},"content_sha256":"d616d6ce71915d3f82e9706af0d1f096c200dda598dc867ab3f593fbdd4e9f4a","schema_version":"1.0","event_id":"sha256:d616d6ce71915d3f82e9706af0d1f096c200dda598dc867ab3f593fbdd4e9f4a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S2MA4YLGEDCAGWLAVSTYKQSRAH/bundle.json","state_url":"https://pith.science/pith/S2MA4YLGEDCAGWLAVSTYKQSRAH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S2MA4YLGEDCAGWLAVSTYKQSRAH/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":"2026-07-05T07:03:30Z","links":{"resolver":"https://pith.science/pith/S2MA4YLGEDCAGWLAVSTYKQSRAH","bundle":"https://pith.science/pith/S2MA4YLGEDCAGWLAVSTYKQSRAH/bundle.json","state":"https://pith.science/pith/S2MA4YLGEDCAGWLAVSTYKQSRAH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S2MA4YLGEDCAGWLAVSTYKQSRAH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:S2MA4YLGEDCAGWLAVSTYKQSRAH","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":"9e7f098916bc5e01d2a8633a2c613222c94124e8fc9d34fa28b3821258f61082","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"2007-02-14T09:52:20Z","title_canon_sha256":"3c99bbb0d1bf47247848f4477fd0409be3b1c3dfef478dea9875c54d7208d820"},"schema_version":"1.0","source":{"id":"hep-th/0702106","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0702106","created_at":"2026-07-04T15:16:40Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0702106v1","created_at":"2026-07-04T15:16:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0702106","created_at":"2026-07-04T15:16:40Z"},{"alias_kind":"pith_short_12","alias_value":"S2MA4YLGEDCA","created_at":"2026-07-04T15:16:40Z"},{"alias_kind":"pith_short_16","alias_value":"S2MA4YLGEDCAGWLA","created_at":"2026-07-04T15:16:40Z"},{"alias_kind":"pith_short_8","alias_value":"S2MA4YLG","created_at":"2026-07-04T15:16:40Z"}],"graph_snapshots":[{"event_id":"sha256:d616d6ce71915d3f82e9706af0d1f096c200dda598dc867ab3f593fbdd4e9f4a","target":"graph","created_at":"2026-07-04T15:16:40Z","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/hep-th/0702106/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We introduce an N=8 supersymmetric extension of the Bogomolny-type model for Yang-Mills-Higgs fields in 2+1 dimensions related with twistor string theory. It is shown that this model is equivalent to an N=8 supersymmetric U(n) chiral model in 2+1 dimensions with a Wess-Zumino-Witten-type term. Further reduction to 1+1 dimensions yields N=(8,8) supersymmetric extensions of the standard U(n) chiral model and Grassmannian sigma models.","authors_text":"Alexander D. Popov","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"2007-02-14T09:52:20Z","title":"Sigma Models with N=8 Supersymmetries in 2+1 and 1+1 Dimensions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0702106","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":"sha256:0eedcbada595afd1d6476b225307e50dd8cb0ffcfcaeac76d5ffa2ac27b4b3d1","target":"record","created_at":"2026-07-04T15:16:40Z","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":"9e7f098916bc5e01d2a8633a2c613222c94124e8fc9d34fa28b3821258f61082","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"2007-02-14T09:52:20Z","title_canon_sha256":"3c99bbb0d1bf47247848f4477fd0409be3b1c3dfef478dea9875c54d7208d820"},"schema_version":"1.0","source":{"id":"hep-th/0702106","kind":"arxiv","version":1}},"canonical_sha256":"96980e616620c4035960aca785425101f612c2ea83dac13d7c3b30a94053154c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"96980e616620c4035960aca785425101f612c2ea83dac13d7c3b30a94053154c","first_computed_at":"2026-07-04T15:16:40.635097Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:16:40.635097Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hc/6op58BxzPLRkx9OB9sK7MBmq95ZREHIPEWYDf14MxvWQWbLIlTdPwUUHchjAMuru+P8L4o2+BO43kzQKLBA==","signature_status":"signed_v1","signed_at":"2026-07-04T15:16:40.635507Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/0702106","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0eedcbada595afd1d6476b225307e50dd8cb0ffcfcaeac76d5ffa2ac27b4b3d1","sha256:d616d6ce71915d3f82e9706af0d1f096c200dda598dc867ab3f593fbdd4e9f4a"],"state_sha256":"001f093be9df3325db29f38c143beea50dbfe0744ff7a953c4fc28ede5039f42"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iUhqa8LZIPSTRkYbbk3oGD7RmE4F36kpqHjZvMX9YguXmq4gyfJyKQLyNyaEGGksEu/8GsuU1O6wksPwe1JNAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T07:03:30.818044Z","bundle_sha256":"e0d988a807170ebec7025880e3f9ef142408b3d405186e6e70b22ab289f02250"}}