{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:BAEZ7EPBPLWOVJV3FW4VG756D6","short_pith_number":"pith:BAEZ7EPB","canonical_record":{"source":{"id":"0808.2706","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2008-08-20T09:45:58Z","cross_cats_sorted":[],"title_canon_sha256":"8eff30519152cf835e939d1dc7d6948a50c6a794b97a077b5f1466174a0b93f0","abstract_canon_sha256":"4255b4e6c4024c6f6f1ba4c05ff8f312eb43248021a06d2745a13a21b97f6b95"},"schema_version":"1.0"},"canonical_sha256":"08099f91e17aeceaa6bb2db9537fbe1fbd0c6185ae51883333d4c537f604e690","source":{"kind":"arxiv","id":"0808.2706","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0808.2706","created_at":"2026-07-04T15:29:12Z"},{"alias_kind":"arxiv_version","alias_value":"0808.2706v2","created_at":"2026-07-04T15:29:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0808.2706","created_at":"2026-07-04T15:29:12Z"},{"alias_kind":"pith_short_12","alias_value":"BAEZ7EPBPLWO","created_at":"2026-07-04T15:29:12Z"},{"alias_kind":"pith_short_16","alias_value":"BAEZ7EPBPLWOVJV3","created_at":"2026-07-04T15:29:12Z"},{"alias_kind":"pith_short_8","alias_value":"BAEZ7EPB","created_at":"2026-07-04T15:29:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:BAEZ7EPBPLWOVJV3FW4VG756D6","target":"record","payload":{"canonical_record":{"source":{"id":"0808.2706","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2008-08-20T09:45:58Z","cross_cats_sorted":[],"title_canon_sha256":"8eff30519152cf835e939d1dc7d6948a50c6a794b97a077b5f1466174a0b93f0","abstract_canon_sha256":"4255b4e6c4024c6f6f1ba4c05ff8f312eb43248021a06d2745a13a21b97f6b95"},"schema_version":"1.0"},"canonical_sha256":"08099f91e17aeceaa6bb2db9537fbe1fbd0c6185ae51883333d4c537f604e690","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:29:12.755346Z","signature_b64":"6gbfTuEKZAMK0rXL4g7qP4qCnnHIsFnLpQXpa5sm4JexfrmJtIGDmkan/xIb66cv3roj91PoAwAH9EkcfVnsDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"08099f91e17aeceaa6bb2db9537fbe1fbd0c6185ae51883333d4c537f604e690","last_reissued_at":"2026-07-04T15:29:12.754934Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:29:12.754934Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0808.2706","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":"2026-07-04T15:29:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OwIGwfP2eyGp5cR+v1y/sgAGyfHn9fO+k93GXq5QkHpkIZbg74dASYj4Ub9vHc3NN352+AJvTzKNbCnXCTbNCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T13:36:02.078429Z"},"content_sha256":"7f8c7101045cdf3faffebeee190d1986a93a5ca4c4a8a9e97320bdce2583f512","schema_version":"1.0","event_id":"sha256:7f8c7101045cdf3faffebeee190d1986a93a5ca4c4a8a9e97320bdce2583f512"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:BAEZ7EPBPLWOVJV3FW4VG756D6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Re-analysis of data on a0(1450) and a0(980)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"D.V. Bugg (Queen Mary, UK), University of London","submitted_at":"2008-08-20T09:45:58Z","abstract_excerpt":"Four sets of data determining parameters of a0(1450) and a0(980) are re-analysed. These are Crystal Barrel data for pbar-p annihilation at rest to eta-pizero-pizero in (i) liquid hydrogen and (ii) gas, and to (iii) K0_L-picharged-Kcharged and (iv) omega piplus-piminus-pizero (mostly omega-rho-pi). Dispersive corrections due to opening of inelastic thresholds are treated fully. This stabilises parameters of a0(1450) substantially. The mass of its peak is 1448 +-13(stat) +- 25(syst) MeV and its mean full width at half maximum is 192 +-9 +-9 MeV. The pole position is 1432 +- 13 +- 25 - i(98 +-5 +"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0808.2706","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/0808.2706/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":"2026-07-04T15:29:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"790+iq1KcmAdBZtCp5/qDMiNyOdQwfzhvdGCYAFiLrwoDV/aL/mdZB4HFmBj11icoSISrlCY3LQkczn60B5fAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T13:36:02.078958Z"},"content_sha256":"46f30b36aa8cbf7701fcd8e831af4a668376960ed5f234487a430c1c6e417059","schema_version":"1.0","event_id":"sha256:46f30b36aa8cbf7701fcd8e831af4a668376960ed5f234487a430c1c6e417059"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BAEZ7EPBPLWOVJV3FW4VG756D6/bundle.json","state_url":"https://pith.science/pith/BAEZ7EPBPLWOVJV3FW4VG756D6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BAEZ7EPBPLWOVJV3FW4VG756D6/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":"2026-08-04T13:36:02Z","links":{"resolver":"https://pith.science/pith/BAEZ7EPBPLWOVJV3FW4VG756D6","bundle":"https://pith.science/pith/BAEZ7EPBPLWOVJV3FW4VG756D6/bundle.json","state":"https://pith.science/pith/BAEZ7EPBPLWOVJV3FW4VG756D6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BAEZ7EPBPLWOVJV3FW4VG756D6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:BAEZ7EPBPLWOVJV3FW4VG756D6","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":"4255b4e6c4024c6f6f1ba4c05ff8f312eb43248021a06d2745a13a21b97f6b95","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2008-08-20T09:45:58Z","title_canon_sha256":"8eff30519152cf835e939d1dc7d6948a50c6a794b97a077b5f1466174a0b93f0"},"schema_version":"1.0","source":{"id":"0808.2706","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0808.2706","created_at":"2026-07-04T15:29:12Z"},{"alias_kind":"arxiv_version","alias_value":"0808.2706v2","created_at":"2026-07-04T15:29:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0808.2706","created_at":"2026-07-04T15:29:12Z"},{"alias_kind":"pith_short_12","alias_value":"BAEZ7EPBPLWO","created_at":"2026-07-04T15:29:12Z"},{"alias_kind":"pith_short_16","alias_value":"BAEZ7EPBPLWOVJV3","created_at":"2026-07-04T15:29:12Z"},{"alias_kind":"pith_short_8","alias_value":"BAEZ7EPB","created_at":"2026-07-04T15:29:12Z"}],"graph_snapshots":[{"event_id":"sha256:46f30b36aa8cbf7701fcd8e831af4a668376960ed5f234487a430c1c6e417059","target":"graph","created_at":"2026-07-04T15:29:12Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0808.2706/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Four sets of data determining parameters of a0(1450) and a0(980) are re-analysed. These are Crystal Barrel data for pbar-p annihilation at rest to eta-pizero-pizero in (i) liquid hydrogen and (ii) gas, and to (iii) K0_L-picharged-Kcharged and (iv) omega piplus-piminus-pizero (mostly omega-rho-pi). Dispersive corrections due to opening of inelastic thresholds are treated fully. This stabilises parameters of a0(1450) substantially. The mass of its peak is 1448 +-13(stat) +- 25(syst) MeV and its mean full width at half maximum is 192 +-9 +-9 MeV. The pole position is 1432 +- 13 +- 25 - i(98 +-5 +","authors_text":"D.V. Bugg (Queen Mary, UK), University of London","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2008-08-20T09:45:58Z","title":"Re-analysis of data on a0(1450) and a0(980)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0808.2706","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":"sha256:7f8c7101045cdf3faffebeee190d1986a93a5ca4c4a8a9e97320bdce2583f512","target":"record","created_at":"2026-07-04T15:29:12Z","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":"4255b4e6c4024c6f6f1ba4c05ff8f312eb43248021a06d2745a13a21b97f6b95","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2008-08-20T09:45:58Z","title_canon_sha256":"8eff30519152cf835e939d1dc7d6948a50c6a794b97a077b5f1466174a0b93f0"},"schema_version":"1.0","source":{"id":"0808.2706","kind":"arxiv","version":2}},"canonical_sha256":"08099f91e17aeceaa6bb2db9537fbe1fbd0c6185ae51883333d4c537f604e690","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"08099f91e17aeceaa6bb2db9537fbe1fbd0c6185ae51883333d4c537f604e690","first_computed_at":"2026-07-04T15:29:12.754934Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:29:12.754934Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6gbfTuEKZAMK0rXL4g7qP4qCnnHIsFnLpQXpa5sm4JexfrmJtIGDmkan/xIb66cv3roj91PoAwAH9EkcfVnsDw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:29:12.755346Z","signed_message":"canonical_sha256_bytes"},"source_id":"0808.2706","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7f8c7101045cdf3faffebeee190d1986a93a5ca4c4a8a9e97320bdce2583f512","sha256:46f30b36aa8cbf7701fcd8e831af4a668376960ed5f234487a430c1c6e417059"],"state_sha256":"c5ac6179fdda084b7b6ef5c90a67e7acc47ec0734e64cf34f81fc9487b02ff05"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JsJSRsA1Y3i8dj8QZJl38Le+ZzCx1i3auGSr0cYLQ7eZs70T9V8O6cSYPcDQD1HHcAKFewLr6KIf+HJwmTgsAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T13:36:02.083342Z","bundle_sha256":"62788e43d05f3f449be2583097825c21eae45739ff0bf9220fdc3738f0bfd229"}}