{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:BZ2DWXE6RL54RSIZYEKDKUZZPD","short_pith_number":"pith:BZ2DWXE6","canonical_record":{"source":{"id":"1109.6433","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2011-09-29T08:31:47Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"4be8735746665dbcebb13c63bc365a736b487aafb20a969f2aec4e1165866643","abstract_canon_sha256":"fd942cb702a12daec7441a0827f0bfd0137ddd553be7407c97952b4b7990f27a"},"schema_version":"1.0"},"canonical_sha256":"0e743b5c9e8afbc8c919c11435533978cb56ffeac79add5d2a2cf786f01d20c8","source":{"kind":"arxiv","id":"1109.6433","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.6433","created_at":"2026-05-18T02:00:21Z"},{"alias_kind":"arxiv_version","alias_value":"1109.6433v1","created_at":"2026-05-18T02:00:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.6433","created_at":"2026-05-18T02:00:21Z"},{"alias_kind":"pith_short_12","alias_value":"BZ2DWXE6RL54","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BZ2DWXE6RL54RSIZ","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BZ2DWXE6","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:BZ2DWXE6RL54RSIZYEKDKUZZPD","target":"record","payload":{"canonical_record":{"source":{"id":"1109.6433","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2011-09-29T08:31:47Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"4be8735746665dbcebb13c63bc365a736b487aafb20a969f2aec4e1165866643","abstract_canon_sha256":"fd942cb702a12daec7441a0827f0bfd0137ddd553be7407c97952b4b7990f27a"},"schema_version":"1.0"},"canonical_sha256":"0e743b5c9e8afbc8c919c11435533978cb56ffeac79add5d2a2cf786f01d20c8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:21.691325Z","signature_b64":"aDpK5bwXElzR+1ihE+/+F8y1qwXWJJvrcYutS5LnmXL13pM84Q6OxWhZ2vg654bJtgNMmVwoRtCi14veVz+SCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0e743b5c9e8afbc8c919c11435533978cb56ffeac79add5d2a2cf786f01d20c8","last_reissued_at":"2026-05-18T02:00:21.690825Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:21.690825Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.6433","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":"2026-05-18T02:00:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KiaZsYb0miOtx1bp84a2UPBjy1sJ0RgTrzkSZSjc9DyxbGrJMfn34iLwHQpsbwsH6uAwRVu2ZzS6Yz0xWhgvAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T08:46:11.520957Z"},"content_sha256":"20b47d31bc9b9f127087c7eb07045f26213c84a53ed344dc1dba6b5f30597c78","schema_version":"1.0","event_id":"sha256:20b47d31bc9b9f127087c7eb07045f26213c84a53ed344dc1dba6b5f30597c78"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:BZ2DWXE6RL54RSIZYEKDKUZZPD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Study of pbar-p -> eta-eta-pizero-pizero in flight","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-ex","authors_text":"A.V. Anisovich, A.V. Sarantsev, B.S. Zou, C.A. Baker. C.J. Batty, D.V. Bugg, V.A. Nikonov, V.V. Sarantsev","submitted_at":"2011-09-29T08:31:47Z","abstract_excerpt":"An analysis of data on pbar-p -> eta-eta-pizero-pizero is presented at pbar beam momenta 600 to 1940 MeV/c. There is evidence for an I = 1, J^PC = 2^-+ resonance in eta-eta-pizero with mass M = 1880 +- 20 MeV and width 255 +- 45 MeV, decaying strongly a2(1320)-eta; it is too strong to be explained as the high mass tail of \\pi_2(1670) -> a2(1320)-eta. There is tentative evidence also for weak decays to f_0(1500)\\pi. It makes a natural partner to the eta 2(1860)."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.6433","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":""},"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":"2026-05-18T02:00:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sstx3nNbrspCY5JvhpNzu8uyn3uMhVd3LFiwXjN6wJPumSHl/jn6ykaP3kTkvxKV9i3YbGist2LU7sleL+PKDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T08:46:11.521310Z"},"content_sha256":"dca7613596ed264baf1dc60cdcc4dc5f0b8095f38e676ad06a5422dd76fcca59","schema_version":"1.0","event_id":"sha256:dca7613596ed264baf1dc60cdcc4dc5f0b8095f38e676ad06a5422dd76fcca59"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BZ2DWXE6RL54RSIZYEKDKUZZPD/bundle.json","state_url":"https://pith.science/pith/BZ2DWXE6RL54RSIZYEKDKUZZPD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BZ2DWXE6RL54RSIZYEKDKUZZPD/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":"2026-06-01T08:46:11Z","links":{"resolver":"https://pith.science/pith/BZ2DWXE6RL54RSIZYEKDKUZZPD","bundle":"https://pith.science/pith/BZ2DWXE6RL54RSIZYEKDKUZZPD/bundle.json","state":"https://pith.science/pith/BZ2DWXE6RL54RSIZYEKDKUZZPD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BZ2DWXE6RL54RSIZYEKDKUZZPD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:BZ2DWXE6RL54RSIZYEKDKUZZPD","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":"fd942cb702a12daec7441a0827f0bfd0137ddd553be7407c97952b4b7990f27a","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2011-09-29T08:31:47Z","title_canon_sha256":"4be8735746665dbcebb13c63bc365a736b487aafb20a969f2aec4e1165866643"},"schema_version":"1.0","source":{"id":"1109.6433","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.6433","created_at":"2026-05-18T02:00:21Z"},{"alias_kind":"arxiv_version","alias_value":"1109.6433v1","created_at":"2026-05-18T02:00:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.6433","created_at":"2026-05-18T02:00:21Z"},{"alias_kind":"pith_short_12","alias_value":"BZ2DWXE6RL54","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BZ2DWXE6RL54RSIZ","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BZ2DWXE6","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:dca7613596ed264baf1dc60cdcc4dc5f0b8095f38e676ad06a5422dd76fcca59","target":"graph","created_at":"2026-05-18T02:00:21Z","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"},"paper":{"abstract_excerpt":"An analysis of data on pbar-p -> eta-eta-pizero-pizero is presented at pbar beam momenta 600 to 1940 MeV/c. There is evidence for an I = 1, J^PC = 2^-+ resonance in eta-eta-pizero with mass M = 1880 +- 20 MeV and width 255 +- 45 MeV, decaying strongly a2(1320)-eta; it is too strong to be explained as the high mass tail of \\pi_2(1670) -> a2(1320)-eta. There is tentative evidence also for weak decays to f_0(1500)\\pi. It makes a natural partner to the eta 2(1860).","authors_text":"A.V. Anisovich, A.V. Sarantsev, B.S. Zou, C.A. Baker. C.J. Batty, D.V. Bugg, V.A. Nikonov, V.V. Sarantsev","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2011-09-29T08:31:47Z","title":"Study of pbar-p -> eta-eta-pizero-pizero in flight"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.6433","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":"sha256:20b47d31bc9b9f127087c7eb07045f26213c84a53ed344dc1dba6b5f30597c78","target":"record","created_at":"2026-05-18T02:00:21Z","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":"fd942cb702a12daec7441a0827f0bfd0137ddd553be7407c97952b4b7990f27a","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2011-09-29T08:31:47Z","title_canon_sha256":"4be8735746665dbcebb13c63bc365a736b487aafb20a969f2aec4e1165866643"},"schema_version":"1.0","source":{"id":"1109.6433","kind":"arxiv","version":1}},"canonical_sha256":"0e743b5c9e8afbc8c919c11435533978cb56ffeac79add5d2a2cf786f01d20c8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0e743b5c9e8afbc8c919c11435533978cb56ffeac79add5d2a2cf786f01d20c8","first_computed_at":"2026-05-18T02:00:21.690825Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:21.690825Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aDpK5bwXElzR+1ihE+/+F8y1qwXWJJvrcYutS5LnmXL13pM84Q6OxWhZ2vg654bJtgNMmVwoRtCi14veVz+SCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:21.691325Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.6433","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:20b47d31bc9b9f127087c7eb07045f26213c84a53ed344dc1dba6b5f30597c78","sha256:dca7613596ed264baf1dc60cdcc4dc5f0b8095f38e676ad06a5422dd76fcca59"],"state_sha256":"7c11b806cc020635d5977c4479c1c04f67a14f8a16844315af8963f480a246bb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sjGNSZb/3JxBOaa3wKOO6zwFel+d5kgMWVNyTX9mBvPAzReJEEdMm9N33vF3oZMo1q2uIfXXImaY3O8X25ZSDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T08:46:11.523771Z","bundle_sha256":"746449e8b9b9aba0d7f97552c98e3727fcf062f99616378f44ac155fb7b4cfbb"}}