{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:XNZMD2XZQD62V7U53VSRNC5BFS","short_pith_number":"pith:XNZMD2XZ","canonical_record":{"source":{"id":"0904.3744","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-04-24T19:28:59Z","cross_cats_sorted":["gr-qc","math-ph","math.MP"],"title_canon_sha256":"73aba66528749bea5e4eff91d9e1b3a0740dfc44d73efb9ce3c546e94c5d39e1","abstract_canon_sha256":"01ea98975667980a6e4cdeb241998ee6ca8cc02a35e40e24c4f6172b38a88b07"},"schema_version":"1.0"},"canonical_sha256":"bb72c1eaf980fdaafe9ddd65168ba12c8a80b4faa9e6b2ba7e5ae31650acf3ce","source":{"kind":"arxiv","id":"0904.3744","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0904.3744","created_at":"2026-07-04T15:53:21Z"},{"alias_kind":"arxiv_version","alias_value":"0904.3744v2","created_at":"2026-07-04T15:53:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.3744","created_at":"2026-07-04T15:53:21Z"},{"alias_kind":"pith_short_12","alias_value":"XNZMD2XZQD62","created_at":"2026-07-04T15:53:21Z"},{"alias_kind":"pith_short_16","alias_value":"XNZMD2XZQD62V7U5","created_at":"2026-07-04T15:53:21Z"},{"alias_kind":"pith_short_8","alias_value":"XNZMD2XZ","created_at":"2026-07-04T15:53:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:XNZMD2XZQD62V7U53VSRNC5BFS","target":"record","payload":{"canonical_record":{"source":{"id":"0904.3744","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-04-24T19:28:59Z","cross_cats_sorted":["gr-qc","math-ph","math.MP"],"title_canon_sha256":"73aba66528749bea5e4eff91d9e1b3a0740dfc44d73efb9ce3c546e94c5d39e1","abstract_canon_sha256":"01ea98975667980a6e4cdeb241998ee6ca8cc02a35e40e24c4f6172b38a88b07"},"schema_version":"1.0"},"canonical_sha256":"bb72c1eaf980fdaafe9ddd65168ba12c8a80b4faa9e6b2ba7e5ae31650acf3ce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:53:21.931181Z","signature_b64":"oD3gsK9EkrtQuLU0BNlZjr7TsnuIls402dVRZFePCHQFD/JuOKEo6KgfnzaC/dKjDXbxa1JpfaEKV4+k3WqxCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bb72c1eaf980fdaafe9ddd65168ba12c8a80b4faa9e6b2ba7e5ae31650acf3ce","last_reissued_at":"2026-07-04T15:53:21.930784Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:53:21.930784Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0904.3744","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":"2026-07-04T15:53:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MxdjprcfWf3DA4VSRkaFRcS0AEruu8s0ezrTWR2Eiw3R0HVAuDF7ieWLbVa4k5fdwprHqqX67KjZ0CKqO1duBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T02:22:09.885441Z"},"content_sha256":"399d696ac342c9abc86244b6613f692f4e11cb0fc0b06ab9cf232d03f24a47a9","schema_version":"1.0","event_id":"sha256:399d696ac342c9abc86244b6613f692f4e11cb0fc0b06ab9cf232d03f24a47a9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:XNZMD2XZQD62V7U53VSRNC5BFS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Kinks of open superstring field theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","math-ph","math.MP"],"primary_cat":"hep-th","authors_text":"Gianluca Calcagni, Giuseppe Nardelli","submitted_at":"2009-04-24T19:28:59Z","abstract_excerpt":"We construct approximate kink solutions of supersymmetric open string field theory at lowest level when non-local operators in the tachyon effective action are fully taken into account. To this purpose we derive two duplication formulae for products of incomplete gamma functions, which determine the level of approximation of the solutions. The time kink is an instanton of the Euclidean theory with a well-defined tunneling probability. The spatial kink solution represents an unstable D9-brane decaying into a stable D8-brane. We calculate the ratio of the brane tensions, which almost exactly rep"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.3744","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0904.3744/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":"2026-07-04T15:53:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W3k9sfMWWCoCL7HemNPvtfH0mgtWB0ciHmTsc+34BkpRpUH9LyMjh//ISiM2KizN1TpgBzbA+OEwyqboU5jtAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T02:22:09.885971Z"},"content_sha256":"1ceacaea6bfaafd2b4c77304ffcf743c06a91801e9e4e9c9255ad27d7bae26ae","schema_version":"1.0","event_id":"sha256:1ceacaea6bfaafd2b4c77304ffcf743c06a91801e9e4e9c9255ad27d7bae26ae"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XNZMD2XZQD62V7U53VSRNC5BFS/bundle.json","state_url":"https://pith.science/pith/XNZMD2XZQD62V7U53VSRNC5BFS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XNZMD2XZQD62V7U53VSRNC5BFS/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":"2026-08-09T02:22:09Z","links":{"resolver":"https://pith.science/pith/XNZMD2XZQD62V7U53VSRNC5BFS","bundle":"https://pith.science/pith/XNZMD2XZQD62V7U53VSRNC5BFS/bundle.json","state":"https://pith.science/pith/XNZMD2XZQD62V7U53VSRNC5BFS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XNZMD2XZQD62V7U53VSRNC5BFS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:XNZMD2XZQD62V7U53VSRNC5BFS","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":"01ea98975667980a6e4cdeb241998ee6ca8cc02a35e40e24c4f6172b38a88b07","cross_cats_sorted":["gr-qc","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-04-24T19:28:59Z","title_canon_sha256":"73aba66528749bea5e4eff91d9e1b3a0740dfc44d73efb9ce3c546e94c5d39e1"},"schema_version":"1.0","source":{"id":"0904.3744","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0904.3744","created_at":"2026-07-04T15:53:21Z"},{"alias_kind":"arxiv_version","alias_value":"0904.3744v2","created_at":"2026-07-04T15:53:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.3744","created_at":"2026-07-04T15:53:21Z"},{"alias_kind":"pith_short_12","alias_value":"XNZMD2XZQD62","created_at":"2026-07-04T15:53:21Z"},{"alias_kind":"pith_short_16","alias_value":"XNZMD2XZQD62V7U5","created_at":"2026-07-04T15:53:21Z"},{"alias_kind":"pith_short_8","alias_value":"XNZMD2XZ","created_at":"2026-07-04T15:53:21Z"}],"graph_snapshots":[{"event_id":"sha256:1ceacaea6bfaafd2b4c77304ffcf743c06a91801e9e4e9c9255ad27d7bae26ae","target":"graph","created_at":"2026-07-04T15:53:21Z","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/0904.3744/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We construct approximate kink solutions of supersymmetric open string field theory at lowest level when non-local operators in the tachyon effective action are fully taken into account. To this purpose we derive two duplication formulae for products of incomplete gamma functions, which determine the level of approximation of the solutions. The time kink is an instanton of the Euclidean theory with a well-defined tunneling probability. The spatial kink solution represents an unstable D9-brane decaying into a stable D8-brane. We calculate the ratio of the brane tensions, which almost exactly rep","authors_text":"Gianluca Calcagni, Giuseppe Nardelli","cross_cats":["gr-qc","math-ph","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-04-24T19:28:59Z","title":"Kinks of open superstring field theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.3744","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":"sha256:399d696ac342c9abc86244b6613f692f4e11cb0fc0b06ab9cf232d03f24a47a9","target":"record","created_at":"2026-07-04T15:53:21Z","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":"01ea98975667980a6e4cdeb241998ee6ca8cc02a35e40e24c4f6172b38a88b07","cross_cats_sorted":["gr-qc","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-04-24T19:28:59Z","title_canon_sha256":"73aba66528749bea5e4eff91d9e1b3a0740dfc44d73efb9ce3c546e94c5d39e1"},"schema_version":"1.0","source":{"id":"0904.3744","kind":"arxiv","version":2}},"canonical_sha256":"bb72c1eaf980fdaafe9ddd65168ba12c8a80b4faa9e6b2ba7e5ae31650acf3ce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bb72c1eaf980fdaafe9ddd65168ba12c8a80b4faa9e6b2ba7e5ae31650acf3ce","first_computed_at":"2026-07-04T15:53:21.930784Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:53:21.930784Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oD3gsK9EkrtQuLU0BNlZjr7TsnuIls402dVRZFePCHQFD/JuOKEo6KgfnzaC/dKjDXbxa1JpfaEKV4+k3WqxCA==","signature_status":"signed_v1","signed_at":"2026-07-04T15:53:21.931181Z","signed_message":"canonical_sha256_bytes"},"source_id":"0904.3744","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:399d696ac342c9abc86244b6613f692f4e11cb0fc0b06ab9cf232d03f24a47a9","sha256:1ceacaea6bfaafd2b4c77304ffcf743c06a91801e9e4e9c9255ad27d7bae26ae"],"state_sha256":"bdaac0bcb293b00a1c9addee257a1036fd0e88e4e5f1e912f87b41c19942fb6e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kDSXgaT7msNsw7E7A2A6HkkIyhOhfbW+xjhgDfFnRfQnb25CiAJ7jvo6uWwPPbAEuZbdD5MUjgH3ai6qhtEtCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T02:22:09.889554Z","bundle_sha256":"d3cddc9f4fee6e342023197b5b247d9434162fe3c105ab78c59709d84da45ce2"}}