{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:O2X7SMLFLU2WODE7U6KJ7KUIKB","short_pith_number":"pith:O2X7SMLF","canonical_record":{"source":{"id":"0706.0297","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"2007-06-03T03:10:46Z","cross_cats_sorted":[],"title_canon_sha256":"1f311e3a269e35e8bc3bd98752dd8dbaccf425ca08b0b985b13d84173ec68661","abstract_canon_sha256":"7d20890247cfba7da687657e93c7a04044febf6da895e495213b117b07798b4a"},"schema_version":"1.0"},"canonical_sha256":"76aff931655d35670c9fa7949faa885040f6933a0e382fa644245e59c20d63a3","source":{"kind":"arxiv","id":"0706.0297","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0706.0297","created_at":"2026-07-04T15:01:38Z"},{"alias_kind":"arxiv_version","alias_value":"0706.0297v1","created_at":"2026-07-04T15:01:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0706.0297","created_at":"2026-07-04T15:01:38Z"},{"alias_kind":"pith_short_12","alias_value":"O2X7SMLFLU2W","created_at":"2026-07-04T15:01:38Z"},{"alias_kind":"pith_short_16","alias_value":"O2X7SMLFLU2WODE7","created_at":"2026-07-04T15:01:38Z"},{"alias_kind":"pith_short_8","alias_value":"O2X7SMLF","created_at":"2026-07-04T15:01:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:O2X7SMLFLU2WODE7U6KJ7KUIKB","target":"record","payload":{"canonical_record":{"source":{"id":"0706.0297","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"2007-06-03T03:10:46Z","cross_cats_sorted":[],"title_canon_sha256":"1f311e3a269e35e8bc3bd98752dd8dbaccf425ca08b0b985b13d84173ec68661","abstract_canon_sha256":"7d20890247cfba7da687657e93c7a04044febf6da895e495213b117b07798b4a"},"schema_version":"1.0"},"canonical_sha256":"76aff931655d35670c9fa7949faa885040f6933a0e382fa644245e59c20d63a3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:01:38.363100Z","signature_b64":"wO+4Xh4jJGVe0iOqSUNZIHsbV+QMbIH/JdHj4WhK1pJuQXbdx5K897W9a6dX/056270vDob1i1xQBOCHg+UMBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"76aff931655d35670c9fa7949faa885040f6933a0e382fa644245e59c20d63a3","last_reissued_at":"2026-07-04T15:01:38.362675Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:01:38.362675Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0706.0297","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":"2026-07-04T15:01:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q3DSCB/JdJ4WYbJ9eWnSvKa21p6BMUcgv2gIw3gOj4pW4BvLS31fiJYOXmLf2KDqOX4BNRLnOC6dF6bNG3pDAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-14T00:47:58.954712Z"},"content_sha256":"efdde8eeac9303d8bcd5859090d5a2769822a354dfb9b49210bb0129568eb845","schema_version":"1.0","event_id":"sha256:efdde8eeac9303d8bcd5859090d5a2769822a354dfb9b49210bb0129568eb845"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:O2X7SMLFLU2WODE7U6KJ7KUIKB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Search for a kaonic nuclear state via $^4$He$(K^-, N)$","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"D. Tomono, E. Widmann, H. Bhang, H. Ohnishi, H. Outa, H. Yim, J. Chiba, J. H. Kim, K. Itahashi, M. Iio, M. Iwai, M. Iwasaki, M. Sato, P. Kienle, R. S. Hayano, S. Choi, S. Ishimoto, S. Okada, S. Suzuki, T. Hanaki, T. Ishikawa, T. Ishiwatari, T. Suzuki, T. Yamazaki, Y. Fukuda, Y. Matsuda","submitted_at":"2007-06-03T03:10:46Z","abstract_excerpt":"Very recently, we have performed a couple of experiments, {\\it{KEK PS-E549/E570}}, for the detailed study of the strange tribaryon $S^0(3115)$ obtained in {\\it{KEK PS-E471}}. These experiments were performed to accumulate much higher statistics with improved experimental apparatusespecially for the better proton spectroscopy of the $^4$He({\\it{stopped K}}$^-$, {\\it{N}}) reaction. In contrast to the previous proton spectrum, no narrow ($\\sim$ 20 MeV) peak structure was found either in the inclusive $^4$He({\\it{stopped K}}$^-$, {\\it{p}}) or in the semi-inclusive $^4$He({\\it{stopped K}}$^-$, {\\it"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0706.0297","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/0706.0297/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":"2026-07-04T15:01:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"khh4yRQ/ZqhNkBImkSuPIpTxnjzh1DFNGHse/zgGAPsdR1ZRVcq8/wJbMLKWuSdvusUy/7edwtpv9IhKJk+aDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-14T00:47:58.955095Z"},"content_sha256":"ad7078545d54e325e7c204a4d33ecf87a357b25a44321d3ccd5108698af3a1ae","schema_version":"1.0","event_id":"sha256:ad7078545d54e325e7c204a4d33ecf87a357b25a44321d3ccd5108698af3a1ae"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O2X7SMLFLU2WODE7U6KJ7KUIKB/bundle.json","state_url":"https://pith.science/pith/O2X7SMLFLU2WODE7U6KJ7KUIKB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O2X7SMLFLU2WODE7U6KJ7KUIKB/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":"2026-07-14T00:47:58Z","links":{"resolver":"https://pith.science/pith/O2X7SMLFLU2WODE7U6KJ7KUIKB","bundle":"https://pith.science/pith/O2X7SMLFLU2WODE7U6KJ7KUIKB/bundle.json","state":"https://pith.science/pith/O2X7SMLFLU2WODE7U6KJ7KUIKB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O2X7SMLFLU2WODE7U6KJ7KUIKB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:O2X7SMLFLU2WODE7U6KJ7KUIKB","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":"7d20890247cfba7da687657e93c7a04044febf6da895e495213b117b07798b4a","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"2007-06-03T03:10:46Z","title_canon_sha256":"1f311e3a269e35e8bc3bd98752dd8dbaccf425ca08b0b985b13d84173ec68661"},"schema_version":"1.0","source":{"id":"0706.0297","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0706.0297","created_at":"2026-07-04T15:01:38Z"},{"alias_kind":"arxiv_version","alias_value":"0706.0297v1","created_at":"2026-07-04T15:01:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0706.0297","created_at":"2026-07-04T15:01:38Z"},{"alias_kind":"pith_short_12","alias_value":"O2X7SMLFLU2W","created_at":"2026-07-04T15:01:38Z"},{"alias_kind":"pith_short_16","alias_value":"O2X7SMLFLU2WODE7","created_at":"2026-07-04T15:01:38Z"},{"alias_kind":"pith_short_8","alias_value":"O2X7SMLF","created_at":"2026-07-04T15:01:38Z"}],"graph_snapshots":[{"event_id":"sha256:ad7078545d54e325e7c204a4d33ecf87a357b25a44321d3ccd5108698af3a1ae","target":"graph","created_at":"2026-07-04T15:01:38Z","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/0706.0297/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Very recently, we have performed a couple of experiments, {\\it{KEK PS-E549/E570}}, for the detailed study of the strange tribaryon $S^0(3115)$ obtained in {\\it{KEK PS-E471}}. These experiments were performed to accumulate much higher statistics with improved experimental apparatusespecially for the better proton spectroscopy of the $^4$He({\\it{stopped K}}$^-$, {\\it{N}}) reaction. In contrast to the previous proton spectrum, no narrow ($\\sim$ 20 MeV) peak structure was found either in the inclusive $^4$He({\\it{stopped K}}$^-$, {\\it{p}}) or in the semi-inclusive $^4$He({\\it{stopped K}}$^-$, {\\it","authors_text":"D. Tomono, E. Widmann, H. Bhang, H. Ohnishi, H. Outa, H. Yim, J. Chiba, J. H. Kim, K. Itahashi, M. Iio, M. Iwai, M. Iwasaki, M. Sato, P. Kienle, R. S. Hayano, S. Choi, S. Ishimoto, S. Okada, S. Suzuki, T. Hanaki, T. Ishikawa, T. Ishiwatari, T. Suzuki, T. Yamazaki, Y. Fukuda, Y. Matsuda","cross_cats":[],"headline":"","license":"","primary_cat":"nucl-ex","submitted_at":"2007-06-03T03:10:46Z","title":"Search for a kaonic nuclear state via $^4$He$(K^-, N)$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0706.0297","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:efdde8eeac9303d8bcd5859090d5a2769822a354dfb9b49210bb0129568eb845","target":"record","created_at":"2026-07-04T15:01:38Z","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":"7d20890247cfba7da687657e93c7a04044febf6da895e495213b117b07798b4a","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"2007-06-03T03:10:46Z","title_canon_sha256":"1f311e3a269e35e8bc3bd98752dd8dbaccf425ca08b0b985b13d84173ec68661"},"schema_version":"1.0","source":{"id":"0706.0297","kind":"arxiv","version":1}},"canonical_sha256":"76aff931655d35670c9fa7949faa885040f6933a0e382fa644245e59c20d63a3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"76aff931655d35670c9fa7949faa885040f6933a0e382fa644245e59c20d63a3","first_computed_at":"2026-07-04T15:01:38.362675Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:01:38.362675Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wO+4Xh4jJGVe0iOqSUNZIHsbV+QMbIH/JdHj4WhK1pJuQXbdx5K897W9a6dX/056270vDob1i1xQBOCHg+UMBQ==","signature_status":"signed_v1","signed_at":"2026-07-04T15:01:38.363100Z","signed_message":"canonical_sha256_bytes"},"source_id":"0706.0297","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:efdde8eeac9303d8bcd5859090d5a2769822a354dfb9b49210bb0129568eb845","sha256:ad7078545d54e325e7c204a4d33ecf87a357b25a44321d3ccd5108698af3a1ae"],"state_sha256":"cdca350bc083f6b1b0dc8e00cdf95730bcb6a775d491ee7ebb4f5b61fb15ab11"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zm3u5eZaKWXUfOp/ZG/YNETx77rj+PM5Ea9E6R6ghrfFzqlPBiWeW3AVrCt1i26543e7Unj2ghLQsLsiQWkyAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-14T00:47:58.957341Z","bundle_sha256":"e07e09eba39f7ec28c648cd6c7e773ecfd01dad6a726ec4caacf3214470a4e3e"}}