{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:QGL77EXTZWVBCVUHNH4TMYCJ3S","short_pith_number":"pith:QGL77EXT","canonical_record":{"source":{"id":"1105.0199","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2011-05-01T20:12:14Z","cross_cats_sorted":[],"title_canon_sha256":"547e29c46b574a06f4194be8c072a041b7081c7af094b5bb1fa100f493194a12","abstract_canon_sha256":"5e3eb5b095acc0844c9826f86d6ae09b20e59db5e704c6ef98f457e024d424da"},"schema_version":"1.0"},"canonical_sha256":"8197ff92f3cdaa11568769f9366049dcbcdb6972363c5bb6024c6d4093903289","source":{"kind":"arxiv","id":"1105.0199","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.0199","created_at":"2026-05-18T04:19:40Z"},{"alias_kind":"arxiv_version","alias_value":"1105.0199v1","created_at":"2026-05-18T04:19:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.0199","created_at":"2026-05-18T04:19:40Z"},{"alias_kind":"pith_short_12","alias_value":"QGL77EXTZWVB","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"QGL77EXTZWVBCVUH","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"QGL77EXT","created_at":"2026-05-18T12:26:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:QGL77EXTZWVBCVUHNH4TMYCJ3S","target":"record","payload":{"canonical_record":{"source":{"id":"1105.0199","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2011-05-01T20:12:14Z","cross_cats_sorted":[],"title_canon_sha256":"547e29c46b574a06f4194be8c072a041b7081c7af094b5bb1fa100f493194a12","abstract_canon_sha256":"5e3eb5b095acc0844c9826f86d6ae09b20e59db5e704c6ef98f457e024d424da"},"schema_version":"1.0"},"canonical_sha256":"8197ff92f3cdaa11568769f9366049dcbcdb6972363c5bb6024c6d4093903289","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:19:40.947873Z","signature_b64":"BrPfzxDdT3OXJia/5Opfa5e3ajzEyJs/0GxZI/Wi2TDJK65ls+A4xehPAaJE95/aXydN6wQAeDEH3JOvarTTAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8197ff92f3cdaa11568769f9366049dcbcdb6972363c5bb6024c6d4093903289","last_reissued_at":"2026-05-18T04:19:40.947290Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:19:40.947290Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1105.0199","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":"2026-05-18T04:19:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V72qytRG8/dRE+sLA6eoIqswfrTK4c6a8QlnKKPmtIVBIUzUgOcTqJ8lKdEA9xs1wCqEjBlICZznUlbnppQxAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T13:18:25.914225Z"},"content_sha256":"1735d9223aef7932a17ec943926dc4e8d9dd3914dc7e309106a2b9d8b0fcba75","schema_version":"1.0","event_id":"sha256:1735d9223aef7932a17ec943926dc4e8d9dd3914dc7e309106a2b9d8b0fcba75"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:QGL77EXTZWVBCVUHNH4TMYCJ3S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detector developments for the hypernuclear programme at PANDA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"A. Sanchez Lorente, J. Pochodzalla, P. Achenbach, S. S\\'anchez Majos","submitted_at":"2011-05-01T20:12:14Z","abstract_excerpt":"The technical design of the PANDA experiment at the future FAIR facility next to GSI is progressing. At the proposed anti-proton storage ring the spectroscopy of double Lambda hypernuclei is one of the four main topics which will be addressed by the Collaboration. The hypernuclear experiments require (i) a dedicated internal target, (ii) an active secondary target of alternating silicon and absorber material layers, (iii) high purity germanium (HPGe) detectors, and (iv) a good particle identification system for low momentum kaons. All systems need to operate in the presence of a high magnetic "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.0199","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":"2026-05-18T04:19:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"67MbO7zEW06JDJxV8ZTJ4TeGG38gS6pTjtoWRt5Rm645QI+CQ30W/X0l7MOQCmCX82pv55J0weJjNZNqWK1ZBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T13:18:25.914593Z"},"content_sha256":"74b7f863a753d6da806d5d18d203d8b4c396b1fb462084cb91dfdfe73975be4a","schema_version":"1.0","event_id":"sha256:74b7f863a753d6da806d5d18d203d8b4c396b1fb462084cb91dfdfe73975be4a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QGL77EXTZWVBCVUHNH4TMYCJ3S/bundle.json","state_url":"https://pith.science/pith/QGL77EXTZWVBCVUHNH4TMYCJ3S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QGL77EXTZWVBCVUHNH4TMYCJ3S/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":"2026-06-04T13:18:25Z","links":{"resolver":"https://pith.science/pith/QGL77EXTZWVBCVUHNH4TMYCJ3S","bundle":"https://pith.science/pith/QGL77EXTZWVBCVUHNH4TMYCJ3S/bundle.json","state":"https://pith.science/pith/QGL77EXTZWVBCVUHNH4TMYCJ3S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QGL77EXTZWVBCVUHNH4TMYCJ3S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:QGL77EXTZWVBCVUHNH4TMYCJ3S","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":"5e3eb5b095acc0844c9826f86d6ae09b20e59db5e704c6ef98f457e024d424da","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2011-05-01T20:12:14Z","title_canon_sha256":"547e29c46b574a06f4194be8c072a041b7081c7af094b5bb1fa100f493194a12"},"schema_version":"1.0","source":{"id":"1105.0199","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.0199","created_at":"2026-05-18T04:19:40Z"},{"alias_kind":"arxiv_version","alias_value":"1105.0199v1","created_at":"2026-05-18T04:19:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.0199","created_at":"2026-05-18T04:19:40Z"},{"alias_kind":"pith_short_12","alias_value":"QGL77EXTZWVB","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"QGL77EXTZWVBCVUH","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"QGL77EXT","created_at":"2026-05-18T12:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:74b7f863a753d6da806d5d18d203d8b4c396b1fb462084cb91dfdfe73975be4a","target":"graph","created_at":"2026-05-18T04:19:40Z","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 technical design of the PANDA experiment at the future FAIR facility next to GSI is progressing. At the proposed anti-proton storage ring the spectroscopy of double Lambda hypernuclei is one of the four main topics which will be addressed by the Collaboration. The hypernuclear experiments require (i) a dedicated internal target, (ii) an active secondary target of alternating silicon and absorber material layers, (iii) high purity germanium (HPGe) detectors, and (iv) a good particle identification system for low momentum kaons. All systems need to operate in the presence of a high magnetic ","authors_text":"A. Sanchez Lorente, J. Pochodzalla, P. Achenbach, S. S\\'anchez Majos","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2011-05-01T20:12:14Z","title":"Detector developments for the hypernuclear programme at PANDA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.0199","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":"sha256:1735d9223aef7932a17ec943926dc4e8d9dd3914dc7e309106a2b9d8b0fcba75","target":"record","created_at":"2026-05-18T04:19:40Z","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":"5e3eb5b095acc0844c9826f86d6ae09b20e59db5e704c6ef98f457e024d424da","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2011-05-01T20:12:14Z","title_canon_sha256":"547e29c46b574a06f4194be8c072a041b7081c7af094b5bb1fa100f493194a12"},"schema_version":"1.0","source":{"id":"1105.0199","kind":"arxiv","version":1}},"canonical_sha256":"8197ff92f3cdaa11568769f9366049dcbcdb6972363c5bb6024c6d4093903289","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8197ff92f3cdaa11568769f9366049dcbcdb6972363c5bb6024c6d4093903289","first_computed_at":"2026-05-18T04:19:40.947290Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:19:40.947290Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BrPfzxDdT3OXJia/5Opfa5e3ajzEyJs/0GxZI/Wi2TDJK65ls+A4xehPAaJE95/aXydN6wQAeDEH3JOvarTTAw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:19:40.947873Z","signed_message":"canonical_sha256_bytes"},"source_id":"1105.0199","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1735d9223aef7932a17ec943926dc4e8d9dd3914dc7e309106a2b9d8b0fcba75","sha256:74b7f863a753d6da806d5d18d203d8b4c396b1fb462084cb91dfdfe73975be4a"],"state_sha256":"3d7fa0550ed3a4e7374d7a1c58747c43ef61fe78f246ddc21d91e5a2a5ea71d0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sAMsuAxee/cJruVoHYCbNr1sIAyQ6PUA785323Mr1yyub08rPMxNuhebM3EzKGn+fXZ3SVAgaBzyXP28sgiICQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T13:18:25.916488Z","bundle_sha256":"51c720934159aaf6c087d25c7446731e8670adbff59abae1f9fb8d7d963cb30d"}}