{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:O63RRF2ZVCH76YDU2PSVJSQQMX","short_pith_number":"pith:O63RRF2Z","canonical_record":{"source":{"id":"1405.2729","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2014-05-12T12:34:38Z","cross_cats_sorted":[],"title_canon_sha256":"af8225f93a81879c237fed981ac39fab0a3630aafb672d2837c3726dd8632086","abstract_canon_sha256":"93442c8d1ef62c70fd0881ce2237aaf8dfaa9ed9a66c7319c58f1f8e571a4b64"},"schema_version":"1.0"},"canonical_sha256":"77b7189759a88fff6074d3e554ca1065df0b596de3bb0c46f80c3b126ae67c26","source":{"kind":"arxiv","id":"1405.2729","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.2729","created_at":"2026-05-18T01:43:15Z"},{"alias_kind":"arxiv_version","alias_value":"1405.2729v2","created_at":"2026-05-18T01:43:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.2729","created_at":"2026-05-18T01:43:15Z"},{"alias_kind":"pith_short_12","alias_value":"O63RRF2ZVCH7","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"O63RRF2ZVCH76YDU","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"O63RRF2Z","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:O63RRF2ZVCH76YDU2PSVJSQQMX","target":"record","payload":{"canonical_record":{"source":{"id":"1405.2729","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2014-05-12T12:34:38Z","cross_cats_sorted":[],"title_canon_sha256":"af8225f93a81879c237fed981ac39fab0a3630aafb672d2837c3726dd8632086","abstract_canon_sha256":"93442c8d1ef62c70fd0881ce2237aaf8dfaa9ed9a66c7319c58f1f8e571a4b64"},"schema_version":"1.0"},"canonical_sha256":"77b7189759a88fff6074d3e554ca1065df0b596de3bb0c46f80c3b126ae67c26","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:43:15.105353Z","signature_b64":"pRg9zo/3ziV+TVpIADncxIvyOx2OuJA7LB5C8h6dzKzzv0qM4njIvu6ktIIs/t9yTLfbVk4fP9ngfY8oZov3CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"77b7189759a88fff6074d3e554ca1065df0b596de3bb0c46f80c3b126ae67c26","last_reissued_at":"2026-05-18T01:43:15.104792Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:43:15.104792Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1405.2729","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":"2026-05-18T01:43:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/0GnUur77Jjb4VjkZqw2ZGi4kuQH2pE91xMLXCZjbwPQImc0bdNT6dJzJ+jku9jsYCX2vg+iL/AYi3+4+riIAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T18:53:01.913448Z"},"content_sha256":"393775ca13e361b540d416cdea17984cd916fd23ff83473ca3f988edb6f433ca","schema_version":"1.0","event_id":"sha256:393775ca13e361b540d416cdea17984cd916fd23ff83473ca3f988edb6f433ca"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:O63RRF2ZVCH76YDU2PSVJSQQMX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measurement of polarisation observables in $K^0_s\\Sigma^+$ photoproduction off the proton","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. B. Gridnev, A. Roy, A. S\\\"ule, A.V. Anisovich, A.V. Sarantsev, B. Bantes, B. Krusche, B. Schoch, Ch. Funke, Ch. Wendel, C. Schmidt, D. Bayadilov, D. Elsner, D. Menze, D. Novinski, D. Trnka, D. Walther, E. Gutz, E. Klempt, F. Frommberger, Frank Klein, Friedrich Klein, H. Dutz, H. Kalinowsky, H. L\\\"ohner, H. Schmieden, H. van Pee, I. Jaegle, I.V. Lopatin, J.G. Messchendorp, J. Hannappel, J. Junkersfeld, K. Fornet-Ponse, K.-T. Brinkmann, L. Pant, M. Lang, M. Nanova, M. Ostrick, O. Bartholomy, O. Jahn, P. Hoffmeister, R. Beck, R. Ewald, R. Novotny, R. Varma, S. Kammer, S. Schadmand, S. Shende, T.C Jude, T. Mertens, T. Szczepanek, U. Thoma, V.A. Nikonov, V. Crede, V. Kleber, V. Metag, V. Sokhoyan, V.V. Sumachev, W. Hillert, Y.A. Beloglazov","submitted_at":"2014-05-12T12:34:38Z","abstract_excerpt":"The reaction $\\gamma \\, p \\rightarrow K^0_S\\,\\Sigma^+$ is studied in the photon energy range from threshold. Linearly polarised photon beams from coherent bremsstrahlung enabled the first measurement of photon beam asymmetries in this reaction up to $E_\\gamma = 2250$ MeV. In addition, the recoil hyperon polarisation was determined through the asymmetry in the weak decay $\\Sigma^+ \\rightarrow p \\pi^0$ up to $E_\\gamma = 1650$ MeV. The data are compared to partial wave analyses, and the possible impact on the interpretation of a recently observed cusp-like structure near the $K^*$ thresholds is d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.2729","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":""},"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":"2026-05-18T01:43:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LI0ummrqSCClJCPIWOGNKsOxOta7ZO3yF/WNlrRInH3zzYEplozKvxH6SGYZfZg8xFqm9Wk19AH1UqSAkcmXDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T18:53:01.914038Z"},"content_sha256":"4b61a72507641e83bb98e8229b125fa3593c84d7baee13e18e2caf9912b7f983","schema_version":"1.0","event_id":"sha256:4b61a72507641e83bb98e8229b125fa3593c84d7baee13e18e2caf9912b7f983"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O63RRF2ZVCH76YDU2PSVJSQQMX/bundle.json","state_url":"https://pith.science/pith/O63RRF2ZVCH76YDU2PSVJSQQMX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O63RRF2ZVCH76YDU2PSVJSQQMX/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":"2026-05-20T18:53:01Z","links":{"resolver":"https://pith.science/pith/O63RRF2ZVCH76YDU2PSVJSQQMX","bundle":"https://pith.science/pith/O63RRF2ZVCH76YDU2PSVJSQQMX/bundle.json","state":"https://pith.science/pith/O63RRF2ZVCH76YDU2PSVJSQQMX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O63RRF2ZVCH76YDU2PSVJSQQMX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:O63RRF2ZVCH76YDU2PSVJSQQMX","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":"93442c8d1ef62c70fd0881ce2237aaf8dfaa9ed9a66c7319c58f1f8e571a4b64","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2014-05-12T12:34:38Z","title_canon_sha256":"af8225f93a81879c237fed981ac39fab0a3630aafb672d2837c3726dd8632086"},"schema_version":"1.0","source":{"id":"1405.2729","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.2729","created_at":"2026-05-18T01:43:15Z"},{"alias_kind":"arxiv_version","alias_value":"1405.2729v2","created_at":"2026-05-18T01:43:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.2729","created_at":"2026-05-18T01:43:15Z"},{"alias_kind":"pith_short_12","alias_value":"O63RRF2ZVCH7","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"O63RRF2ZVCH76YDU","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"O63RRF2Z","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:4b61a72507641e83bb98e8229b125fa3593c84d7baee13e18e2caf9912b7f983","target":"graph","created_at":"2026-05-18T01:43:15Z","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 reaction $\\gamma \\, p \\rightarrow K^0_S\\,\\Sigma^+$ is studied in the photon energy range from threshold. Linearly polarised photon beams from coherent bremsstrahlung enabled the first measurement of photon beam asymmetries in this reaction up to $E_\\gamma = 2250$ MeV. In addition, the recoil hyperon polarisation was determined through the asymmetry in the weak decay $\\Sigma^+ \\rightarrow p \\pi^0$ up to $E_\\gamma = 1650$ MeV. The data are compared to partial wave analyses, and the possible impact on the interpretation of a recently observed cusp-like structure near the $K^*$ thresholds is d","authors_text":"A. B. Gridnev, A. Roy, A. S\\\"ule, A.V. Anisovich, A.V. Sarantsev, B. Bantes, B. Krusche, B. Schoch, Ch. Funke, Ch. Wendel, C. Schmidt, D. Bayadilov, D. Elsner, D. Menze, D. Novinski, D. Trnka, D. Walther, E. Gutz, E. Klempt, F. Frommberger, Frank Klein, Friedrich Klein, H. Dutz, H. Kalinowsky, H. L\\\"ohner, H. Schmieden, H. van Pee, I. Jaegle, I.V. Lopatin, J.G. Messchendorp, J. Hannappel, J. Junkersfeld, K. Fornet-Ponse, K.-T. Brinkmann, L. Pant, M. Lang, M. Nanova, M. Ostrick, O. Bartholomy, O. Jahn, P. Hoffmeister, R. Beck, R. Ewald, R. Novotny, R. Varma, S. Kammer, S. Schadmand, S. Shende, T.C Jude, T. Mertens, T. Szczepanek, U. Thoma, V.A. Nikonov, V. Crede, V. Kleber, V. Metag, V. Sokhoyan, V.V. Sumachev, W. Hillert, Y.A. Beloglazov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2014-05-12T12:34:38Z","title":"Measurement of polarisation observables in $K^0_s\\Sigma^+$ photoproduction off the proton"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.2729","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":"sha256:393775ca13e361b540d416cdea17984cd916fd23ff83473ca3f988edb6f433ca","target":"record","created_at":"2026-05-18T01:43:15Z","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":"93442c8d1ef62c70fd0881ce2237aaf8dfaa9ed9a66c7319c58f1f8e571a4b64","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2014-05-12T12:34:38Z","title_canon_sha256":"af8225f93a81879c237fed981ac39fab0a3630aafb672d2837c3726dd8632086"},"schema_version":"1.0","source":{"id":"1405.2729","kind":"arxiv","version":2}},"canonical_sha256":"77b7189759a88fff6074d3e554ca1065df0b596de3bb0c46f80c3b126ae67c26","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"77b7189759a88fff6074d3e554ca1065df0b596de3bb0c46f80c3b126ae67c26","first_computed_at":"2026-05-18T01:43:15.104792Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:43:15.104792Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pRg9zo/3ziV+TVpIADncxIvyOx2OuJA7LB5C8h6dzKzzv0qM4njIvu6ktIIs/t9yTLfbVk4fP9ngfY8oZov3CA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:43:15.105353Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.2729","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:393775ca13e361b540d416cdea17984cd916fd23ff83473ca3f988edb6f433ca","sha256:4b61a72507641e83bb98e8229b125fa3593c84d7baee13e18e2caf9912b7f983"],"state_sha256":"75169569053cf3eb36736178d034978065478ad4092576cdb7db05171cac4f1b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OjyMXebtVfLYrMxUqJFtXi9G6k1WWtz6ufWY8kthEQhuTJVUgEk+gOy0KoZhQQI8X6Ei3uUxQiS+wdEGq/q4Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T18:53:01.917175Z","bundle_sha256":"fbd63e8aa877dd9fd0d9c23350bfe9d29dfcba1a8d4647238ac2355bfee58307"}}