{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:NNVHXDR72KIOTSYQID3FAC6OQ2","short_pith_number":"pith:NNVHXDR7","canonical_record":{"source":{"id":"1003.0910","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-03-04T19:41:43Z","cross_cats_sorted":["hep-ph","nucl-ex"],"title_canon_sha256":"1a6067f60ef5e4ee75ff447bad9f52a79ce03d3df0c44481634d05d8673a34d2","abstract_canon_sha256":"cd8e74feb9b85d0b65b2d5ab41df8f2cb9da0a6bfc5bbf00357cf85cc137b1b2"},"schema_version":"1.0"},"canonical_sha256":"6b6a7b8e3fd290e9cb1040f6500bce86a37bfc4c814269b0be44cbd188cf7734","source":{"kind":"arxiv","id":"1003.0910","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1003.0910","created_at":"2026-05-18T02:24:38Z"},{"alias_kind":"arxiv_version","alias_value":"1003.0910v2","created_at":"2026-05-18T02:24:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.0910","created_at":"2026-05-18T02:24:38Z"},{"alias_kind":"pith_short_12","alias_value":"NNVHXDR72KIO","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"NNVHXDR72KIOTSYQ","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"NNVHXDR7","created_at":"2026-05-18T12:26:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:NNVHXDR72KIOTSYQID3FAC6OQ2","target":"record","payload":{"canonical_record":{"source":{"id":"1003.0910","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-03-04T19:41:43Z","cross_cats_sorted":["hep-ph","nucl-ex"],"title_canon_sha256":"1a6067f60ef5e4ee75ff447bad9f52a79ce03d3df0c44481634d05d8673a34d2","abstract_canon_sha256":"cd8e74feb9b85d0b65b2d5ab41df8f2cb9da0a6bfc5bbf00357cf85cc137b1b2"},"schema_version":"1.0"},"canonical_sha256":"6b6a7b8e3fd290e9cb1040f6500bce86a37bfc4c814269b0be44cbd188cf7734","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:24:38.288010Z","signature_b64":"c4tVcY8PU3wj8W6SHjmIUIlF6RCkXJDtRfw3Ihiek4pIyrZEiPP+5uw5/fK91awudvpnkPdGxzxKtrQkTYZqCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6b6a7b8e3fd290e9cb1040f6500bce86a37bfc4c814269b0be44cbd188cf7734","last_reissued_at":"2026-05-18T02:24:38.287470Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:24:38.287470Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1003.0910","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":"2026-05-18T02:24:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N5rQvbcsgHACZZta0jlIorajSSgFoWXG0DPveHUi2PY24rOuPoYheQgy6x4UoQkH3Rw+3UwnwqT1YQ6YKS5iBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T08:45:59.495344Z"},"content_sha256":"bcb70d56669277e379c827adb976d1f7ce07a6990e414d6952b85dd62345948b","schema_version":"1.0","event_id":"sha256:bcb70d56669277e379c827adb976d1f7ce07a6990e414d6952b85dd62345948b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:NNVHXDR72KIOTSYQID3FAC6OQ2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Medium Modifications of the Rho Meson in Nuclear Photoproduction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","nucl-ex"],"primary_cat":"nucl-th","authors_text":"(2) Kyungpook National University, (3) Argonne Nat. Lab.), Cyclotron Inst. & Texas A&M Univ., F. Riek (1), R. Rapp (1), T.-S. H. Lee (3) ((1) Texas A&M, Yongseok Oh (2)","submitted_at":"2010-03-04T19:41:43Z","abstract_excerpt":"We extend our recent study of dilepton invariant-mass spectra from the decays of rho mesons produced by photon reactions off nuclei. We specifically focus on experimental spectra as recently measured by the CLAS Collaboration at the Thomas Jefferson National Accelerator Facility using carbon and iron nuclei. Building on our earlier work we broaden our description to a larger set of observables in order to identify sensitivities to the medium effects predicted by microscopic calculations of the rho spectral function. We compute mass spectra for several target nuclei and study the spectral shape"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.0910","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":"2026-05-18T02:24:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YrXAmMbL3mMnvtB0vbui/Ny/XeipsMT+m2RqXpEXxjAovT/irI+xpWSzqwazvVOO11VYJg38dF+dP1sZ4Z9mAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T08:45:59.495697Z"},"content_sha256":"971f5adb1287e8c9a7fe17922cbab998f87b5202bc31521c7b2f5c6bdb01ccb2","schema_version":"1.0","event_id":"sha256:971f5adb1287e8c9a7fe17922cbab998f87b5202bc31521c7b2f5c6bdb01ccb2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NNVHXDR72KIOTSYQID3FAC6OQ2/bundle.json","state_url":"https://pith.science/pith/NNVHXDR72KIOTSYQID3FAC6OQ2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NNVHXDR72KIOTSYQID3FAC6OQ2/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":"2026-05-30T08:45:59Z","links":{"resolver":"https://pith.science/pith/NNVHXDR72KIOTSYQID3FAC6OQ2","bundle":"https://pith.science/pith/NNVHXDR72KIOTSYQID3FAC6OQ2/bundle.json","state":"https://pith.science/pith/NNVHXDR72KIOTSYQID3FAC6OQ2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NNVHXDR72KIOTSYQID3FAC6OQ2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:NNVHXDR72KIOTSYQID3FAC6OQ2","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":"cd8e74feb9b85d0b65b2d5ab41df8f2cb9da0a6bfc5bbf00357cf85cc137b1b2","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-03-04T19:41:43Z","title_canon_sha256":"1a6067f60ef5e4ee75ff447bad9f52a79ce03d3df0c44481634d05d8673a34d2"},"schema_version":"1.0","source":{"id":"1003.0910","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1003.0910","created_at":"2026-05-18T02:24:38Z"},{"alias_kind":"arxiv_version","alias_value":"1003.0910v2","created_at":"2026-05-18T02:24:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.0910","created_at":"2026-05-18T02:24:38Z"},{"alias_kind":"pith_short_12","alias_value":"NNVHXDR72KIO","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"NNVHXDR72KIOTSYQ","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"NNVHXDR7","created_at":"2026-05-18T12:26:10Z"}],"graph_snapshots":[{"event_id":"sha256:971f5adb1287e8c9a7fe17922cbab998f87b5202bc31521c7b2f5c6bdb01ccb2","target":"graph","created_at":"2026-05-18T02:24:38Z","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":"We extend our recent study of dilepton invariant-mass spectra from the decays of rho mesons produced by photon reactions off nuclei. We specifically focus on experimental spectra as recently measured by the CLAS Collaboration at the Thomas Jefferson National Accelerator Facility using carbon and iron nuclei. Building on our earlier work we broaden our description to a larger set of observables in order to identify sensitivities to the medium effects predicted by microscopic calculations of the rho spectral function. We compute mass spectra for several target nuclei and study the spectral shape","authors_text":"(2) Kyungpook National University, (3) Argonne Nat. Lab.), Cyclotron Inst. & Texas A&M Univ., F. Riek (1), R. Rapp (1), T.-S. H. Lee (3) ((1) Texas A&M, Yongseok Oh (2)","cross_cats":["hep-ph","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-03-04T19:41:43Z","title":"Medium Modifications of the Rho Meson in Nuclear Photoproduction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.0910","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:bcb70d56669277e379c827adb976d1f7ce07a6990e414d6952b85dd62345948b","target":"record","created_at":"2026-05-18T02:24:38Z","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":"cd8e74feb9b85d0b65b2d5ab41df8f2cb9da0a6bfc5bbf00357cf85cc137b1b2","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-03-04T19:41:43Z","title_canon_sha256":"1a6067f60ef5e4ee75ff447bad9f52a79ce03d3df0c44481634d05d8673a34d2"},"schema_version":"1.0","source":{"id":"1003.0910","kind":"arxiv","version":2}},"canonical_sha256":"6b6a7b8e3fd290e9cb1040f6500bce86a37bfc4c814269b0be44cbd188cf7734","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6b6a7b8e3fd290e9cb1040f6500bce86a37bfc4c814269b0be44cbd188cf7734","first_computed_at":"2026-05-18T02:24:38.287470Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:24:38.287470Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c4tVcY8PU3wj8W6SHjmIUIlF6RCkXJDtRfw3Ihiek4pIyrZEiPP+5uw5/fK91awudvpnkPdGxzxKtrQkTYZqCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:24:38.288010Z","signed_message":"canonical_sha256_bytes"},"source_id":"1003.0910","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bcb70d56669277e379c827adb976d1f7ce07a6990e414d6952b85dd62345948b","sha256:971f5adb1287e8c9a7fe17922cbab998f87b5202bc31521c7b2f5c6bdb01ccb2"],"state_sha256":"0bc036c812df42434f268f64ebfee0b22efea0349e25f26a1e1a3c77b24f5ff1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UDLRNvIr3ZSrzUzcz7Vp2PQDbJ1No8FO+Vyzlj8Rbd93Hsj3qT14o4FU9kXun1pOjkO/EVyMEubJZH51ifFzDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T08:45:59.497699Z","bundle_sha256":"a40411fdec1c5bf737903d041e902abf120e34c131119427575f326d117529b4"}}