{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:EC2MEXWJB6OBAT6VISOBQOPWYO","short_pith_number":"pith:EC2MEXWJ","canonical_record":{"source":{"id":"hep-th/0306147","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2003-06-16T15:03:36Z","cross_cats_sorted":[],"title_canon_sha256":"dfe3264ea30adc8733b0729fcef2829ac57451c09f8f1a7d6c5863a6bd2c0e19","abstract_canon_sha256":"a1e6c4896234fde6aac866ab47185154b25aae817ba010d4be0e17a6757596bb"},"schema_version":"1.0"},"canonical_sha256":"20b4c25ec90f9c104fd5449c1839f6c38f4993a5726ea932bf40ac21dd55e73f","source":{"kind":"arxiv","id":"hep-th/0306147","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0306147","created_at":"2026-05-18T01:09:00Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0306147v3","created_at":"2026-05-18T01:09:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0306147","created_at":"2026-05-18T01:09:00Z"},{"alias_kind":"pith_short_12","alias_value":"EC2MEXWJB6OB","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"EC2MEXWJB6OBAT6V","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"EC2MEXWJ","created_at":"2026-05-18T12:25:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:EC2MEXWJB6OBAT6VISOBQOPWYO","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/0306147","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2003-06-16T15:03:36Z","cross_cats_sorted":[],"title_canon_sha256":"dfe3264ea30adc8733b0729fcef2829ac57451c09f8f1a7d6c5863a6bd2c0e19","abstract_canon_sha256":"a1e6c4896234fde6aac866ab47185154b25aae817ba010d4be0e17a6757596bb"},"schema_version":"1.0"},"canonical_sha256":"20b4c25ec90f9c104fd5449c1839f6c38f4993a5726ea932bf40ac21dd55e73f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:09:00.077119Z","signature_b64":"ZnBMHXuWLRqPmaMvHKbzXwTDp9P3t1H7BUm2Fdq4tlXIBP0LYRHDyLmHjXEWYkssYzdmj+D8Cwr4Iz3Tld8gAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"20b4c25ec90f9c104fd5449c1839f6c38f4993a5726ea932bf40ac21dd55e73f","last_reissued_at":"2026-05-18T01:09:00.076683Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:09:00.076683Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/0306147","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:09:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xVM8DOBJCilxkZKpKM0D8v6genuExNQ1sM6R1k3wmgYOmwsLJpyRfefIvRse/slKz8x2H7vwDw7oMc/TLBgmCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T05:10:14.556365Z"},"content_sha256":"ed2cf2cc7aad00264331919ee0acb4dd6c7c0fe259da962526b6da877d6a2ade","schema_version":"1.0","event_id":"sha256:ed2cf2cc7aad00264331919ee0acb4dd6c7c0fe259da962526b6da877d6a2ade"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:EC2MEXWJB6OBAT6VISOBQOPWYO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"String bits without doubling","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Fredric Kristiansson, Konstantin Zarembo, Martin L\\\"ubcke, Ulf Danielsson","submitted_at":"2003-06-16T15:03:36Z","abstract_excerpt":"We construct a string bit model in the pp-wave background in which fermion doubling produces the correct spectrum of string states."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0306147","kind":"arxiv","version":3},"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":"2026-05-18T01:09:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"smUzGuZxM9Me7zZ6ocEAkqdKPi8Rfjq+ZrJhS0G6s9B0S4o5S8SvyMRFH5jP+eAist8b+BqjXv7O9aMI3742Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T05:10:14.556990Z"},"content_sha256":"be27b2776bf5db597f036e2ad19929d2e7ed0f3f65818b5e3c27fae6e8200a25","schema_version":"1.0","event_id":"sha256:be27b2776bf5db597f036e2ad19929d2e7ed0f3f65818b5e3c27fae6e8200a25"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EC2MEXWJB6OBAT6VISOBQOPWYO/bundle.json","state_url":"https://pith.science/pith/EC2MEXWJB6OBAT6VISOBQOPWYO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EC2MEXWJB6OBAT6VISOBQOPWYO/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":"2026-06-08T05:10:14Z","links":{"resolver":"https://pith.science/pith/EC2MEXWJB6OBAT6VISOBQOPWYO","bundle":"https://pith.science/pith/EC2MEXWJB6OBAT6VISOBQOPWYO/bundle.json","state":"https://pith.science/pith/EC2MEXWJB6OBAT6VISOBQOPWYO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EC2MEXWJB6OBAT6VISOBQOPWYO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:EC2MEXWJB6OBAT6VISOBQOPWYO","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":"a1e6c4896234fde6aac866ab47185154b25aae817ba010d4be0e17a6757596bb","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"2003-06-16T15:03:36Z","title_canon_sha256":"dfe3264ea30adc8733b0729fcef2829ac57451c09f8f1a7d6c5863a6bd2c0e19"},"schema_version":"1.0","source":{"id":"hep-th/0306147","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0306147","created_at":"2026-05-18T01:09:00Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0306147v3","created_at":"2026-05-18T01:09:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0306147","created_at":"2026-05-18T01:09:00Z"},{"alias_kind":"pith_short_12","alias_value":"EC2MEXWJB6OB","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"EC2MEXWJB6OBAT6V","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"EC2MEXWJ","created_at":"2026-05-18T12:25:51Z"}],"graph_snapshots":[{"event_id":"sha256:be27b2776bf5db597f036e2ad19929d2e7ed0f3f65818b5e3c27fae6e8200a25","target":"graph","created_at":"2026-05-18T01:09:00Z","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 construct a string bit model in the pp-wave background in which fermion doubling produces the correct spectrum of string states.","authors_text":"Fredric Kristiansson, Konstantin Zarembo, Martin L\\\"ubcke, Ulf Danielsson","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"2003-06-16T15:03:36Z","title":"String bits without doubling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0306147","kind":"arxiv","version":3},"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:ed2cf2cc7aad00264331919ee0acb4dd6c7c0fe259da962526b6da877d6a2ade","target":"record","created_at":"2026-05-18T01:09:00Z","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":"a1e6c4896234fde6aac866ab47185154b25aae817ba010d4be0e17a6757596bb","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"2003-06-16T15:03:36Z","title_canon_sha256":"dfe3264ea30adc8733b0729fcef2829ac57451c09f8f1a7d6c5863a6bd2c0e19"},"schema_version":"1.0","source":{"id":"hep-th/0306147","kind":"arxiv","version":3}},"canonical_sha256":"20b4c25ec90f9c104fd5449c1839f6c38f4993a5726ea932bf40ac21dd55e73f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"20b4c25ec90f9c104fd5449c1839f6c38f4993a5726ea932bf40ac21dd55e73f","first_computed_at":"2026-05-18T01:09:00.076683Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:00.076683Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZnBMHXuWLRqPmaMvHKbzXwTDp9P3t1H7BUm2Fdq4tlXIBP0LYRHDyLmHjXEWYkssYzdmj+D8Cwr4Iz3Tld8gAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:00.077119Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/0306147","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ed2cf2cc7aad00264331919ee0acb4dd6c7c0fe259da962526b6da877d6a2ade","sha256:be27b2776bf5db597f036e2ad19929d2e7ed0f3f65818b5e3c27fae6e8200a25"],"state_sha256":"c84e2a2cd6e418ea464b427e6c290d1fccd69e3422dfa429374a5b931f347e0a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CgMegL7acw1inraQqzG3sppFx37vDKV6yaQ8LkYdqrGYZ6B+X2KRw5Tc+a56iQFMpKgbhKi8I2Rgx5Buo2zPDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T05:10:14.560548Z","bundle_sha256":"5ea6fc6a377f1356e601845352bc3170e8d280866dd95e3362d4c96e210c2587"}}