{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:F3E6ZBK3Y3ZDVHUWF5S5PVTJIL","short_pith_number":"pith:F3E6ZBK3","canonical_record":{"source":{"id":"1501.02094","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-01-09T10:27:42Z","cross_cats_sorted":[],"title_canon_sha256":"357d55d12b65d59e4155beed04a2901409c0a8b5b942b3e39e7f6fa87e50d9e5","abstract_canon_sha256":"3d1cafb6cccf4ae5fa2911411525786ffb3e0f22f726cd8dc739a73896919cc6"},"schema_version":"1.0"},"canonical_sha256":"2ec9ec855bc6f23a9e962f65d7d66942d5f5b92f8f340df83d17e14866a44008","source":{"kind":"arxiv","id":"1501.02094","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.02094","created_at":"2026-05-18T02:29:44Z"},{"alias_kind":"arxiv_version","alias_value":"1501.02094v1","created_at":"2026-05-18T02:29:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.02094","created_at":"2026-05-18T02:29:44Z"},{"alias_kind":"pith_short_12","alias_value":"F3E6ZBK3Y3ZD","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"F3E6ZBK3Y3ZDVHUW","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"F3E6ZBK3","created_at":"2026-05-18T12:29:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:F3E6ZBK3Y3ZDVHUWF5S5PVTJIL","target":"record","payload":{"canonical_record":{"source":{"id":"1501.02094","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-01-09T10:27:42Z","cross_cats_sorted":[],"title_canon_sha256":"357d55d12b65d59e4155beed04a2901409c0a8b5b942b3e39e7f6fa87e50d9e5","abstract_canon_sha256":"3d1cafb6cccf4ae5fa2911411525786ffb3e0f22f726cd8dc739a73896919cc6"},"schema_version":"1.0"},"canonical_sha256":"2ec9ec855bc6f23a9e962f65d7d66942d5f5b92f8f340df83d17e14866a44008","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:29:44.867655Z","signature_b64":"0iqvKQPOCYXnvG20pWrjQ0PEHvZvZbzvziYqqFJdbuq+IX5T8dAaiY/qMjACCLUDzQ5W2FHgSfLU7D/gj6s7Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2ec9ec855bc6f23a9e962f65d7d66942d5f5b92f8f340df83d17e14866a44008","last_reissued_at":"2026-05-18T02:29:44.867269Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:29:44.867269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.02094","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":"2026-05-18T02:29:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XKzt47OvFcgCcLuErXa9+U0pNiOBXay/o/3eSZGO63CtZzBcZ2PX26NA3lVhQJmahjfIQqzqyrABx+VZgoOjBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T19:14:49.385830Z"},"content_sha256":"57b16a25f54e1d2e1d8e700bc5aebbe796476573518f7dbb10914be03cef0fbc","schema_version":"1.0","event_id":"sha256:57b16a25f54e1d2e1d8e700bc5aebbe796476573518f7dbb10914be03cef0fbc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:F3E6ZBK3Y3ZDVHUWF5S5PVTJIL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Three-body nature of $N^{\\bf *}$ and $\\Delta^*$ resonances from sequential decay chains","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"The CBELSA/TAPS Collaboration","submitted_at":"2015-01-09T10:27:42Z","abstract_excerpt":"The $N\\pi^0\\pi^0$ decays of positive-parity $N^*$ and $\\Delta^*$ resonances at about 2\\,GeV are studied at ELSA by photoproduction of two neutral pions off protons. The data reveal clear evidence for several intermediate resonances: $\\Delta(1232)$, $N(1520){3/2^-}$, and $N(1680){5/2^+}$, with spin-parities $J^P=3/2^+$, $3/2^-$, and $5/2^+$. The partial wave analysis (within the Bonn-Gatchina approach) identifies $N(1440)1/2^+$ and the $N(\\pi\\pi)_{\\rm S-wave}$ (abbreviated as $N\\sigma$ here) as further isobars, and assigns the final states to the formation of nucleon and $\\Delta$ resonances and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.02094","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":"2026-05-18T02:29:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hamith6H6z2GKAgkQMymPu8/XlVaqc0tMaFS9PP1f4AvlSjFmch8LXTRBXVBhRSS5ZUIu0NTK7dfkJVhL09+BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T19:14:49.386169Z"},"content_sha256":"f05add7f9189bdc4a8c0c66aa3e76763eca96478ef7a9da452fb131854b1aac4","schema_version":"1.0","event_id":"sha256:f05add7f9189bdc4a8c0c66aa3e76763eca96478ef7a9da452fb131854b1aac4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F3E6ZBK3Y3ZDVHUWF5S5PVTJIL/bundle.json","state_url":"https://pith.science/pith/F3E6ZBK3Y3ZDVHUWF5S5PVTJIL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F3E6ZBK3Y3ZDVHUWF5S5PVTJIL/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":"2026-07-01T19:14:49Z","links":{"resolver":"https://pith.science/pith/F3E6ZBK3Y3ZDVHUWF5S5PVTJIL","bundle":"https://pith.science/pith/F3E6ZBK3Y3ZDVHUWF5S5PVTJIL/bundle.json","state":"https://pith.science/pith/F3E6ZBK3Y3ZDVHUWF5S5PVTJIL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F3E6ZBK3Y3ZDVHUWF5S5PVTJIL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:F3E6ZBK3Y3ZDVHUWF5S5PVTJIL","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":"3d1cafb6cccf4ae5fa2911411525786ffb3e0f22f726cd8dc739a73896919cc6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-01-09T10:27:42Z","title_canon_sha256":"357d55d12b65d59e4155beed04a2901409c0a8b5b942b3e39e7f6fa87e50d9e5"},"schema_version":"1.0","source":{"id":"1501.02094","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.02094","created_at":"2026-05-18T02:29:44Z"},{"alias_kind":"arxiv_version","alias_value":"1501.02094v1","created_at":"2026-05-18T02:29:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.02094","created_at":"2026-05-18T02:29:44Z"},{"alias_kind":"pith_short_12","alias_value":"F3E6ZBK3Y3ZD","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"F3E6ZBK3Y3ZDVHUW","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"F3E6ZBK3","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:f05add7f9189bdc4a8c0c66aa3e76763eca96478ef7a9da452fb131854b1aac4","target":"graph","created_at":"2026-05-18T02:29:44Z","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":"The $N\\pi^0\\pi^0$ decays of positive-parity $N^*$ and $\\Delta^*$ resonances at about 2\\,GeV are studied at ELSA by photoproduction of two neutral pions off protons. The data reveal clear evidence for several intermediate resonances: $\\Delta(1232)$, $N(1520){3/2^-}$, and $N(1680){5/2^+}$, with spin-parities $J^P=3/2^+$, $3/2^-$, and $5/2^+$. The partial wave analysis (within the Bonn-Gatchina approach) identifies $N(1440)1/2^+$ and the $N(\\pi\\pi)_{\\rm S-wave}$ (abbreviated as $N\\sigma$ here) as further isobars, and assigns the final states to the formation of nucleon and $\\Delta$ resonances and","authors_text":"The CBELSA/TAPS Collaboration","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-01-09T10:27:42Z","title":"Three-body nature of $N^{\\bf *}$ and $\\Delta^*$ resonances from sequential decay chains"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.02094","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":"sha256:57b16a25f54e1d2e1d8e700bc5aebbe796476573518f7dbb10914be03cef0fbc","target":"record","created_at":"2026-05-18T02:29:44Z","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":"3d1cafb6cccf4ae5fa2911411525786ffb3e0f22f726cd8dc739a73896919cc6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-01-09T10:27:42Z","title_canon_sha256":"357d55d12b65d59e4155beed04a2901409c0a8b5b942b3e39e7f6fa87e50d9e5"},"schema_version":"1.0","source":{"id":"1501.02094","kind":"arxiv","version":1}},"canonical_sha256":"2ec9ec855bc6f23a9e962f65d7d66942d5f5b92f8f340df83d17e14866a44008","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2ec9ec855bc6f23a9e962f65d7d66942d5f5b92f8f340df83d17e14866a44008","first_computed_at":"2026-05-18T02:29:44.867269Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:29:44.867269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0iqvKQPOCYXnvG20pWrjQ0PEHvZvZbzvziYqqFJdbuq+IX5T8dAaiY/qMjACCLUDzQ5W2FHgSfLU7D/gj6s7Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:29:44.867655Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.02094","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:57b16a25f54e1d2e1d8e700bc5aebbe796476573518f7dbb10914be03cef0fbc","sha256:f05add7f9189bdc4a8c0c66aa3e76763eca96478ef7a9da452fb131854b1aac4"],"state_sha256":"8e065dfdf0e29efd2582cc47bc9b15291077f3660039977ccf3ee4052ec8c778"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r1GvSORKh0+/dWt/R4o4JnYTHH+MSSD1EVmM0nYkuQSdKmwMQaHMucxOJDzy3ause8cdC3TVGytnPEOrvM5HBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-01T19:14:49.388095Z","bundle_sha256":"d4502c80f29448e40872b3dfb6364054a0dcdd2064ca126027692e93ee36fee6"}}