{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:YNVUEREW7ZY44TEKLU5XTDNJE6","short_pith_number":"pith:YNVUEREW","canonical_record":{"source":{"id":"1408.6319","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-08-27T06:02:20Z","cross_cats_sorted":[],"title_canon_sha256":"b667aebede15b718f2cd295d825383d57bf6d14f321d54f70269ef145a7cdddd","abstract_canon_sha256":"12934de7c2108ad8daee358558cf845bd669c0de95965804159b3dc78ff0c1f8"},"schema_version":"1.0"},"canonical_sha256":"c36b424496fe71ce4c8a5d3b798da927bdfceb1effabf2f7b167d20f4599a762","source":{"kind":"arxiv","id":"1408.6319","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.6319","created_at":"2026-05-18T01:42:12Z"},{"alias_kind":"arxiv_version","alias_value":"1408.6319v4","created_at":"2026-05-18T01:42:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.6319","created_at":"2026-05-18T01:42:12Z"},{"alias_kind":"pith_short_12","alias_value":"YNVUEREW7ZY4","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"YNVUEREW7ZY44TEK","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"YNVUEREW","created_at":"2026-05-18T12:28:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:YNVUEREW7ZY44TEKLU5XTDNJE6","target":"record","payload":{"canonical_record":{"source":{"id":"1408.6319","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-08-27T06:02:20Z","cross_cats_sorted":[],"title_canon_sha256":"b667aebede15b718f2cd295d825383d57bf6d14f321d54f70269ef145a7cdddd","abstract_canon_sha256":"12934de7c2108ad8daee358558cf845bd669c0de95965804159b3dc78ff0c1f8"},"schema_version":"1.0"},"canonical_sha256":"c36b424496fe71ce4c8a5d3b798da927bdfceb1effabf2f7b167d20f4599a762","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:12.763773Z","signature_b64":"evTpGZG0bA6gWTZFJwZl0vZ6fL1JwtFPQnwmH8PH3FF3X+e5WvTZ2jfg0LaStoGLF9J6/Jo8GO6q/Gj+kaTbCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c36b424496fe71ce4c8a5d3b798da927bdfceb1effabf2f7b167d20f4599a762","last_reissued_at":"2026-05-18T01:42:12.763100Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:12.763100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.6319","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:42:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lQuRBV5UbzG5Lu0tjJABNFZa1AeBE7sRkwG+vavGFqBW32oD7g8axz9gHaLhA4zX6f/SFT8hWt0UsVzufCdSCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:15:25.328229Z"},"content_sha256":"2eb4b4906146ab9506a4be368116aa2c6906e99ccdd9c99b830d470057eedc8e","schema_version":"1.0","event_id":"sha256:2eb4b4906146ab9506a4be368116aa2c6906e99ccdd9c99b830d470057eedc8e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:YNVUEREW7ZY44TEKLU5XTDNJE6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Comments on Takahashi-Tanimoto's scalar solution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Nobuyuki Ishibashi","submitted_at":"2014-08-27T06:02:20Z","abstract_excerpt":"We study the identity-based solution of Witten's cubic bosonic open string field theory constructed by Takahashi and Tanimoto, which is claimed to describe the tachyon vacuum. We argue that the observables of the solution coincide with those of the tachyon vacuum using the method proposed by Kishimoto and Takahashi. We also discuss how to treat the kinetic term of the string field theory expanded around it."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.6319","kind":"arxiv","version":4},"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":"2026-05-18T01:42:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZX0t4nrj2HSb+pqjHaQhmH9qSqsuTPaHXz9EzY92R6U960ARo8tR759BouPTK8w1rzKvQRFIn/MWmN8FelmIDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:15:25.329095Z"},"content_sha256":"51eaa01f32072f5d13f580fd1584c4e0bbdaf1047739755f0d8bcab9a57fe584","schema_version":"1.0","event_id":"sha256:51eaa01f32072f5d13f580fd1584c4e0bbdaf1047739755f0d8bcab9a57fe584"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YNVUEREW7ZY44TEKLU5XTDNJE6/bundle.json","state_url":"https://pith.science/pith/YNVUEREW7ZY44TEKLU5XTDNJE6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YNVUEREW7ZY44TEKLU5XTDNJE6/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":"2026-05-31T16:15:25Z","links":{"resolver":"https://pith.science/pith/YNVUEREW7ZY44TEKLU5XTDNJE6","bundle":"https://pith.science/pith/YNVUEREW7ZY44TEKLU5XTDNJE6/bundle.json","state":"https://pith.science/pith/YNVUEREW7ZY44TEKLU5XTDNJE6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YNVUEREW7ZY44TEKLU5XTDNJE6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:YNVUEREW7ZY44TEKLU5XTDNJE6","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":"12934de7c2108ad8daee358558cf845bd669c0de95965804159b3dc78ff0c1f8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-08-27T06:02:20Z","title_canon_sha256":"b667aebede15b718f2cd295d825383d57bf6d14f321d54f70269ef145a7cdddd"},"schema_version":"1.0","source":{"id":"1408.6319","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.6319","created_at":"2026-05-18T01:42:12Z"},{"alias_kind":"arxiv_version","alias_value":"1408.6319v4","created_at":"2026-05-18T01:42:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.6319","created_at":"2026-05-18T01:42:12Z"},{"alias_kind":"pith_short_12","alias_value":"YNVUEREW7ZY4","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"YNVUEREW7ZY44TEK","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"YNVUEREW","created_at":"2026-05-18T12:28:57Z"}],"graph_snapshots":[{"event_id":"sha256:51eaa01f32072f5d13f580fd1584c4e0bbdaf1047739755f0d8bcab9a57fe584","target":"graph","created_at":"2026-05-18T01:42:12Z","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 study the identity-based solution of Witten's cubic bosonic open string field theory constructed by Takahashi and Tanimoto, which is claimed to describe the tachyon vacuum. We argue that the observables of the solution coincide with those of the tachyon vacuum using the method proposed by Kishimoto and Takahashi. We also discuss how to treat the kinetic term of the string field theory expanded around it.","authors_text":"Nobuyuki Ishibashi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-08-27T06:02:20Z","title":"Comments on Takahashi-Tanimoto's scalar solution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.6319","kind":"arxiv","version":4},"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":"sha256:2eb4b4906146ab9506a4be368116aa2c6906e99ccdd9c99b830d470057eedc8e","target":"record","created_at":"2026-05-18T01:42:12Z","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":"12934de7c2108ad8daee358558cf845bd669c0de95965804159b3dc78ff0c1f8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-08-27T06:02:20Z","title_canon_sha256":"b667aebede15b718f2cd295d825383d57bf6d14f321d54f70269ef145a7cdddd"},"schema_version":"1.0","source":{"id":"1408.6319","kind":"arxiv","version":4}},"canonical_sha256":"c36b424496fe71ce4c8a5d3b798da927bdfceb1effabf2f7b167d20f4599a762","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c36b424496fe71ce4c8a5d3b798da927bdfceb1effabf2f7b167d20f4599a762","first_computed_at":"2026-05-18T01:42:12.763100Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:12.763100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"evTpGZG0bA6gWTZFJwZl0vZ6fL1JwtFPQnwmH8PH3FF3X+e5WvTZ2jfg0LaStoGLF9J6/Jo8GO6q/Gj+kaTbCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:12.763773Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.6319","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2eb4b4906146ab9506a4be368116aa2c6906e99ccdd9c99b830d470057eedc8e","sha256:51eaa01f32072f5d13f580fd1584c4e0bbdaf1047739755f0d8bcab9a57fe584"],"state_sha256":"300b4e7ad29c2d32bbcfab9e1c5c2562f5d194c3589d1280f61b59b15141bdae"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CBhSq6Vg06SMJR795Fiqep3qqtAwesVzBBqUYenTb8OJsQywP16xoYAhz+Nwbh124fKp+eeswP2B85Ya/TQLDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T16:15:25.333648Z","bundle_sha256":"bdb06d59b171e068973d776b370accd14ef5f01af5c64d52a22b43da2bae255c"}}