{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:GKWTHPTENVVA47ONBCIL5GB2G6","short_pith_number":"pith:GKWTHPTE","canonical_record":{"source":{"id":"0902.4309","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2009-02-25T08:10:05Z","cross_cats_sorted":[],"title_canon_sha256":"89f5df6d8aebc8527122079b73f4519bdba8dcb5a7a3741ee1eb8f5c62038e8c","abstract_canon_sha256":"40120f6c14a822338c8e38986fc5112e95808ee7145893fbe7f999fb20301967"},"schema_version":"1.0"},"canonical_sha256":"32ad33be646d6a0e7dcd0890be983a37a1627817d622b5a1e839408a0e0ee2d7","source":{"kind":"arxiv","id":"0902.4309","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0902.4309","created_at":"2026-05-18T04:15:50Z"},{"alias_kind":"arxiv_version","alias_value":"0902.4309v1","created_at":"2026-05-18T04:15:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0902.4309","created_at":"2026-05-18T04:15:50Z"},{"alias_kind":"pith_short_12","alias_value":"GKWTHPTENVVA","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"GKWTHPTENVVA47ON","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"GKWTHPTE","created_at":"2026-05-18T12:25:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:GKWTHPTENVVA47ONBCIL5GB2G6","target":"record","payload":{"canonical_record":{"source":{"id":"0902.4309","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2009-02-25T08:10:05Z","cross_cats_sorted":[],"title_canon_sha256":"89f5df6d8aebc8527122079b73f4519bdba8dcb5a7a3741ee1eb8f5c62038e8c","abstract_canon_sha256":"40120f6c14a822338c8e38986fc5112e95808ee7145893fbe7f999fb20301967"},"schema_version":"1.0"},"canonical_sha256":"32ad33be646d6a0e7dcd0890be983a37a1627817d622b5a1e839408a0e0ee2d7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:15:50.599312Z","signature_b64":"+YdM2O3e6ah6JEjgMsLqs1m0tUGKy16M0hNW+IB6BF2XANNCUYgcc0L/yY/YJ17F+iGw5FYgVSifENLaTMyPDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"32ad33be646d6a0e7dcd0890be983a37a1627817d622b5a1e839408a0e0ee2d7","last_reissued_at":"2026-05-18T04:15:50.598863Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:15:50.598863Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0902.4309","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":"2026-05-18T04:15:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pt+OlCzK2t06lcy8kcht+y1NI0MflaH9gXZOTUNkQz6WPoVn2bO4A6W118QWlhMqvPK9Ke1untBZEAvSKYYmDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T07:52:37.268582Z"},"content_sha256":"48b16ebe4627cabebe05dbb706291053273358b392a1d2dec834a2ba4e88de64","schema_version":"1.0","event_id":"sha256:48b16ebe4627cabebe05dbb706291053273358b392a1d2dec834a2ba4e88de64"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:GKWTHPTENVVA47ONBCIL5GB2G6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Production of $^{93,94,95,96}$Tc through $^{7}$Li+$^{nat}$Zr and $^{9}$Be+$^{nat}$Y reactions: Measurement of excitation functions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"Moumita Maiti, Susanta Lahiri","submitted_at":"2009-02-25T08:10:05Z","abstract_excerpt":"For the first time two separate production routes of Tc radionuclides have been studied bombarding $^{7}$Li on $^{nat}$Zr and $^{9}$Be on $^{89}$Y. Excitation functions of the evaporation residues produced in those reactions have been measured using stacked-foil technique followed by the $\\gamma$-spectrometric studies in the energy range 37-45 MeV and 30-48 MeV respectively. Measured excitation functions have been compared with those calculated using the nuclear reaction model codes PACE-II and ALICE91. Experimental results show good agreement with the theoretical predictions. Compound nuclear"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0902.4309","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":"2026-05-18T04:15:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8ZO/67hDudzwdQZuzMaKjkOEDTiWQ+ZSb7i3hv5CRlJsuZBEcY8AV3UEzacLzt2rurDuo/tAGa6XlcLkKejqDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T07:52:37.268918Z"},"content_sha256":"02c6765db756283c6537c0b27c0a06779fb4bf357668f02d0cb7c921934627e9","schema_version":"1.0","event_id":"sha256:02c6765db756283c6537c0b27c0a06779fb4bf357668f02d0cb7c921934627e9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GKWTHPTENVVA47ONBCIL5GB2G6/bundle.json","state_url":"https://pith.science/pith/GKWTHPTENVVA47ONBCIL5GB2G6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GKWTHPTENVVA47ONBCIL5GB2G6/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":"2026-06-20T07:52:37Z","links":{"resolver":"https://pith.science/pith/GKWTHPTENVVA47ONBCIL5GB2G6","bundle":"https://pith.science/pith/GKWTHPTENVVA47ONBCIL5GB2G6/bundle.json","state":"https://pith.science/pith/GKWTHPTENVVA47ONBCIL5GB2G6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GKWTHPTENVVA47ONBCIL5GB2G6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:GKWTHPTENVVA47ONBCIL5GB2G6","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":"40120f6c14a822338c8e38986fc5112e95808ee7145893fbe7f999fb20301967","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2009-02-25T08:10:05Z","title_canon_sha256":"89f5df6d8aebc8527122079b73f4519bdba8dcb5a7a3741ee1eb8f5c62038e8c"},"schema_version":"1.0","source":{"id":"0902.4309","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0902.4309","created_at":"2026-05-18T04:15:50Z"},{"alias_kind":"arxiv_version","alias_value":"0902.4309v1","created_at":"2026-05-18T04:15:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0902.4309","created_at":"2026-05-18T04:15:50Z"},{"alias_kind":"pith_short_12","alias_value":"GKWTHPTENVVA","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"GKWTHPTENVVA47ON","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"GKWTHPTE","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:02c6765db756283c6537c0b27c0a06779fb4bf357668f02d0cb7c921934627e9","target":"graph","created_at":"2026-05-18T04:15:50Z","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":"For the first time two separate production routes of Tc radionuclides have been studied bombarding $^{7}$Li on $^{nat}$Zr and $^{9}$Be on $^{89}$Y. Excitation functions of the evaporation residues produced in those reactions have been measured using stacked-foil technique followed by the $\\gamma$-spectrometric studies in the energy range 37-45 MeV and 30-48 MeV respectively. Measured excitation functions have been compared with those calculated using the nuclear reaction model codes PACE-II and ALICE91. Experimental results show good agreement with the theoretical predictions. Compound nuclear","authors_text":"Moumita Maiti, Susanta Lahiri","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2009-02-25T08:10:05Z","title":"Production of $^{93,94,95,96}$Tc through $^{7}$Li+$^{nat}$Zr and $^{9}$Be+$^{nat}$Y reactions: Measurement of excitation functions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0902.4309","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":"sha256:48b16ebe4627cabebe05dbb706291053273358b392a1d2dec834a2ba4e88de64","target":"record","created_at":"2026-05-18T04:15:50Z","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":"40120f6c14a822338c8e38986fc5112e95808ee7145893fbe7f999fb20301967","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2009-02-25T08:10:05Z","title_canon_sha256":"89f5df6d8aebc8527122079b73f4519bdba8dcb5a7a3741ee1eb8f5c62038e8c"},"schema_version":"1.0","source":{"id":"0902.4309","kind":"arxiv","version":1}},"canonical_sha256":"32ad33be646d6a0e7dcd0890be983a37a1627817d622b5a1e839408a0e0ee2d7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"32ad33be646d6a0e7dcd0890be983a37a1627817d622b5a1e839408a0e0ee2d7","first_computed_at":"2026-05-18T04:15:50.598863Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:15:50.598863Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+YdM2O3e6ah6JEjgMsLqs1m0tUGKy16M0hNW+IB6BF2XANNCUYgcc0L/yY/YJ17F+iGw5FYgVSifENLaTMyPDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:15:50.599312Z","signed_message":"canonical_sha256_bytes"},"source_id":"0902.4309","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:48b16ebe4627cabebe05dbb706291053273358b392a1d2dec834a2ba4e88de64","sha256:02c6765db756283c6537c0b27c0a06779fb4bf357668f02d0cb7c921934627e9"],"state_sha256":"6fbabcb615243e5b0a3a9cdfd1aa4ab64d23762c3de1b48ae8999c55f8f02b30"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iDlxJRbaje0Dnvwid7mbrFSo4f0pd2LRyDaqSmSElgxngB9yGWii+4Z5fShnkJW85pepQQHCFl21vLUsDzq/DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T07:52:37.270864Z","bundle_sha256":"cb106e684b2808452fb531376c4cd36a223b14d1b8369260b5d5e8fd947d7969"}}