{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:OGGTQ2J4X4EUW6SM7TSZYMXHIY","short_pith_number":"pith:OGGTQ2J4","canonical_record":{"source":{"id":"1006.2438","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2010-06-12T08:39:09Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"56362469ee10946cd48000ef7789b4345b684cdb9f6fb4252e22b263fbf8718a","abstract_canon_sha256":"7d9499c46ff9d111f36dbd6b09bf1c63828f4c545c9f1793f965a24c4da45771"},"schema_version":"1.0"},"canonical_sha256":"718d38693cbf094b7a4cfce59c32e7462132cfc95852ec3c55966927bdf5ce28","source":{"kind":"arxiv","id":"1006.2438","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.2438","created_at":"2026-05-18T04:26:56Z"},{"alias_kind":"arxiv_version","alias_value":"1006.2438v2","created_at":"2026-05-18T04:26:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.2438","created_at":"2026-05-18T04:26:56Z"},{"alias_kind":"pith_short_12","alias_value":"OGGTQ2J4X4EU","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"OGGTQ2J4X4EUW6SM","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"OGGTQ2J4","created_at":"2026-05-18T12:26:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:OGGTQ2J4X4EUW6SM7TSZYMXHIY","target":"record","payload":{"canonical_record":{"source":{"id":"1006.2438","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2010-06-12T08:39:09Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"56362469ee10946cd48000ef7789b4345b684cdb9f6fb4252e22b263fbf8718a","abstract_canon_sha256":"7d9499c46ff9d111f36dbd6b09bf1c63828f4c545c9f1793f965a24c4da45771"},"schema_version":"1.0"},"canonical_sha256":"718d38693cbf094b7a4cfce59c32e7462132cfc95852ec3c55966927bdf5ce28","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:26:56.554881Z","signature_b64":"5iFFAwncFbtPPECFIB3FhvVTRVCLkooQE3c/1na86RPKApa8OujhAbJ/npwVg8rzcygQEF65VS3bdfkowvRjBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"718d38693cbf094b7a4cfce59c32e7462132cfc95852ec3c55966927bdf5ce28","last_reissued_at":"2026-05-18T04:26:56.554344Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:26:56.554344Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1006.2438","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":"2026-05-18T04:26:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XmqiL8U+tRamJ0JI2JHUMg+PVr67u5LTwMQAlY9SHpcTmFMzruJiDsj2yx0VxALMI+Yb32QyIL5Jmbby9AmYDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:25:59.165108Z"},"content_sha256":"f514b067939085a4b8e72d0acd085ffc950331dea737fc94c7949144bca37429","schema_version":"1.0","event_id":"sha256:f514b067939085a4b8e72d0acd085ffc950331dea737fc94c7949144bca37429"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:OGGTQ2J4X4EUW6SM7TSZYMXHIY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spinor and Twistor Formulations of Tensionless Bosonic Strings in Four Dimensions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.MP"],"primary_cat":"hep-th","authors_text":"Jun-ichi Note, Shinichi Deguchi, Takeshi Egami","submitted_at":"2010-06-12T08:39:09Z","abstract_excerpt":"Spinor and twistor formulations of tensionless bosonic strings in 4-dimensional Minkowski space are constructed. We begin with a first-order action that is equivalent to the Nambu-Goto action in the tensionful case and that leads to a spinorial action in the tensionless case. From this spinorial action, we find an alternative spinorial action useful for constructing a simple twistor formulation of tensionless strings. The twistor formulation is steadily constructed in accordance with a fundamental concept of twistor theory. We investigate local internal symmetries inherent in the twistorial ac"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.2438","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":"2026-05-18T04:26:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LrSg7ufHzgIGerRR61TG8QksoagoHKknY/Zwgctz+khHUf2Kv83lPb9sYJBgt9EPgUFwB5VKXy4eSv1RNATKDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:25:59.165855Z"},"content_sha256":"eb4912e67d1692cf75e47375460c7edc05d95495cc382824904371f2fb2a82b4","schema_version":"1.0","event_id":"sha256:eb4912e67d1692cf75e47375460c7edc05d95495cc382824904371f2fb2a82b4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OGGTQ2J4X4EUW6SM7TSZYMXHIY/bundle.json","state_url":"https://pith.science/pith/OGGTQ2J4X4EUW6SM7TSZYMXHIY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OGGTQ2J4X4EUW6SM7TSZYMXHIY/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":"2026-05-25T18:25:59Z","links":{"resolver":"https://pith.science/pith/OGGTQ2J4X4EUW6SM7TSZYMXHIY","bundle":"https://pith.science/pith/OGGTQ2J4X4EUW6SM7TSZYMXHIY/bundle.json","state":"https://pith.science/pith/OGGTQ2J4X4EUW6SM7TSZYMXHIY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OGGTQ2J4X4EUW6SM7TSZYMXHIY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:OGGTQ2J4X4EUW6SM7TSZYMXHIY","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":"7d9499c46ff9d111f36dbd6b09bf1c63828f4c545c9f1793f965a24c4da45771","cross_cats_sorted":["math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2010-06-12T08:39:09Z","title_canon_sha256":"56362469ee10946cd48000ef7789b4345b684cdb9f6fb4252e22b263fbf8718a"},"schema_version":"1.0","source":{"id":"1006.2438","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.2438","created_at":"2026-05-18T04:26:56Z"},{"alias_kind":"arxiv_version","alias_value":"1006.2438v2","created_at":"2026-05-18T04:26:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.2438","created_at":"2026-05-18T04:26:56Z"},{"alias_kind":"pith_short_12","alias_value":"OGGTQ2J4X4EU","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"OGGTQ2J4X4EUW6SM","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"OGGTQ2J4","created_at":"2026-05-18T12:26:12Z"}],"graph_snapshots":[{"event_id":"sha256:eb4912e67d1692cf75e47375460c7edc05d95495cc382824904371f2fb2a82b4","target":"graph","created_at":"2026-05-18T04:26:56Z","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":"Spinor and twistor formulations of tensionless bosonic strings in 4-dimensional Minkowski space are constructed. We begin with a first-order action that is equivalent to the Nambu-Goto action in the tensionful case and that leads to a spinorial action in the tensionless case. From this spinorial action, we find an alternative spinorial action useful for constructing a simple twistor formulation of tensionless strings. The twistor formulation is steadily constructed in accordance with a fundamental concept of twistor theory. We investigate local internal symmetries inherent in the twistorial ac","authors_text":"Jun-ichi Note, Shinichi Deguchi, Takeshi Egami","cross_cats":["math-ph","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2010-06-12T08:39:09Z","title":"Spinor and Twistor Formulations of Tensionless Bosonic Strings in Four Dimensions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.2438","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:f514b067939085a4b8e72d0acd085ffc950331dea737fc94c7949144bca37429","target":"record","created_at":"2026-05-18T04:26:56Z","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":"7d9499c46ff9d111f36dbd6b09bf1c63828f4c545c9f1793f965a24c4da45771","cross_cats_sorted":["math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2010-06-12T08:39:09Z","title_canon_sha256":"56362469ee10946cd48000ef7789b4345b684cdb9f6fb4252e22b263fbf8718a"},"schema_version":"1.0","source":{"id":"1006.2438","kind":"arxiv","version":2}},"canonical_sha256":"718d38693cbf094b7a4cfce59c32e7462132cfc95852ec3c55966927bdf5ce28","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"718d38693cbf094b7a4cfce59c32e7462132cfc95852ec3c55966927bdf5ce28","first_computed_at":"2026-05-18T04:26:56.554344Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:26:56.554344Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5iFFAwncFbtPPECFIB3FhvVTRVCLkooQE3c/1na86RPKApa8OujhAbJ/npwVg8rzcygQEF65VS3bdfkowvRjBA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:26:56.554881Z","signed_message":"canonical_sha256_bytes"},"source_id":"1006.2438","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f514b067939085a4b8e72d0acd085ffc950331dea737fc94c7949144bca37429","sha256:eb4912e67d1692cf75e47375460c7edc05d95495cc382824904371f2fb2a82b4"],"state_sha256":"8960aadb91f862c81410ce4b06f0dd0b67f3d1fb5c506dc0456f906ddff08911"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QSWDAMbz1S39Uee5FAIXAH2qspOcwJx8c+PSomw+iUARzsxefraXgbZQEHXT/nj6DYCA7Yvrw5yUFSaZNb2iBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:25:59.169199Z","bundle_sha256":"0cc595532cfdc906c2bc85ac09ccead1c6f52ee75556b211e1f472c9aa434dca"}}