{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:UJ7CQLPXBJOMJM4JOLA7O46TBR","short_pith_number":"pith:UJ7CQLPX","canonical_record":{"source":{"id":"1412.0411","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2014-12-01T10:33:02Z","cross_cats_sorted":[],"title_canon_sha256":"0bdfbd3ec003c6a808971ed974c61e715b4874124d5cacf917419a9905a3a469","abstract_canon_sha256":"898a1d84da84bd4fde36a4a6d92ef8089e2b6327c7d825025a56c7708a5a38ba"},"schema_version":"1.0"},"canonical_sha256":"a27e282df70a5cc4b38972c1f773d30c4dfe2416cfed868473fe1fa94d51dcf4","source":{"kind":"arxiv","id":"1412.0411","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.0411","created_at":"2026-05-18T02:32:27Z"},{"alias_kind":"arxiv_version","alias_value":"1412.0411v1","created_at":"2026-05-18T02:32:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.0411","created_at":"2026-05-18T02:32:27Z"},{"alias_kind":"pith_short_12","alias_value":"UJ7CQLPXBJOM","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"UJ7CQLPXBJOMJM4J","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"UJ7CQLPX","created_at":"2026-05-18T12:28:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:UJ7CQLPXBJOMJM4JOLA7O46TBR","target":"record","payload":{"canonical_record":{"source":{"id":"1412.0411","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2014-12-01T10:33:02Z","cross_cats_sorted":[],"title_canon_sha256":"0bdfbd3ec003c6a808971ed974c61e715b4874124d5cacf917419a9905a3a469","abstract_canon_sha256":"898a1d84da84bd4fde36a4a6d92ef8089e2b6327c7d825025a56c7708a5a38ba"},"schema_version":"1.0"},"canonical_sha256":"a27e282df70a5cc4b38972c1f773d30c4dfe2416cfed868473fe1fa94d51dcf4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:32:27.933905Z","signature_b64":"3WBbINijwUDiMAwNeI/5+jtCx5NBuHhlL8j9VDKLsgHuHsvZi3PI6xeNus/ufaPTc6cY1908R3NXQJitO/RqCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a27e282df70a5cc4b38972c1f773d30c4dfe2416cfed868473fe1fa94d51dcf4","last_reissued_at":"2026-05-18T02:32:27.933572Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:32:27.933572Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.0411","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":"2026-05-18T02:32:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2evwhpOmh/r94AwANo7Ild3BwOsiGxC7NclyjBMi0hNJaorzNlyWKUQPIY5n5B0A6jmhDX7w4OoRbVNlgcxtAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T22:19:52.598747Z"},"content_sha256":"4b7a706d29d62a72f41d1da47169919aed9319345ce8bec4682786d25f077761","schema_version":"1.0","event_id":"sha256:4b7a706d29d62a72f41d1da47169919aed9319345ce8bec4682786d25f077761"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:UJ7CQLPXBJOMJM4JOLA7O46TBR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Activation cross sections of $\\alpha$-particle induced nuclear reactions on hafnium and deuteron induced nuclear reaction on tantalum: production of $^{178}$W/$^{178m}$Ta generator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A.Hermanne, A.V. ignatyuk, F. Ditr\\'oi, F. T\\'ark'anyi, M.S. Uddin, S. Tak'acs","submitted_at":"2014-12-01T10:33:02Z","abstract_excerpt":"In the frame of a systematic study of charged particle production routes of medically relevant radionuclei, the excitation function for indirect production of $^{178m}$Ta through $^{nat}$Hf($\\alpha$,xn)$^{178}$W-$^{178m}$Ta nuclear reaction was measured for the first time up to 40 MeV. In parallel, the side reactions $^{nat}$Hf($\\alpha$,x)$^{179,177,176,175}$W, $^{183,182,178g,177,176,175}$Ta, $^{179m,177m,175}$Hf were also assessed. Stacked foil irradiation technique and $\\gamma$-ray spectrometry were used. New experimental cross section data for the $^{nat}$Ta(d,xn)$^{178}$W reaction are als"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.0411","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":"2026-05-18T02:32:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iWhTzdNGEqHSbyaxFavpY8fu1rFTDlJJ5YoWx09BFjd4bRU/Y2/EEw1a22b4ta5QIuDEfPxQyLYy0dro2IcFDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T22:19:52.599093Z"},"content_sha256":"8856b4fafd2289629b7fbed01528cca57472af05a14b503f110c95df64f07915","schema_version":"1.0","event_id":"sha256:8856b4fafd2289629b7fbed01528cca57472af05a14b503f110c95df64f07915"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UJ7CQLPXBJOMJM4JOLA7O46TBR/bundle.json","state_url":"https://pith.science/pith/UJ7CQLPXBJOMJM4JOLA7O46TBR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UJ7CQLPXBJOMJM4JOLA7O46TBR/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":"2026-06-01T22:19:52Z","links":{"resolver":"https://pith.science/pith/UJ7CQLPXBJOMJM4JOLA7O46TBR","bundle":"https://pith.science/pith/UJ7CQLPXBJOMJM4JOLA7O46TBR/bundle.json","state":"https://pith.science/pith/UJ7CQLPXBJOMJM4JOLA7O46TBR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UJ7CQLPXBJOMJM4JOLA7O46TBR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:UJ7CQLPXBJOMJM4JOLA7O46TBR","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":"898a1d84da84bd4fde36a4a6d92ef8089e2b6327c7d825025a56c7708a5a38ba","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2014-12-01T10:33:02Z","title_canon_sha256":"0bdfbd3ec003c6a808971ed974c61e715b4874124d5cacf917419a9905a3a469"},"schema_version":"1.0","source":{"id":"1412.0411","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.0411","created_at":"2026-05-18T02:32:27Z"},{"alias_kind":"arxiv_version","alias_value":"1412.0411v1","created_at":"2026-05-18T02:32:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.0411","created_at":"2026-05-18T02:32:27Z"},{"alias_kind":"pith_short_12","alias_value":"UJ7CQLPXBJOM","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"UJ7CQLPXBJOMJM4J","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"UJ7CQLPX","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:8856b4fafd2289629b7fbed01528cca57472af05a14b503f110c95df64f07915","target":"graph","created_at":"2026-05-18T02:32:27Z","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":"In the frame of a systematic study of charged particle production routes of medically relevant radionuclei, the excitation function for indirect production of $^{178m}$Ta through $^{nat}$Hf($\\alpha$,xn)$^{178}$W-$^{178m}$Ta nuclear reaction was measured for the first time up to 40 MeV. In parallel, the side reactions $^{nat}$Hf($\\alpha$,x)$^{179,177,176,175}$W, $^{183,182,178g,177,176,175}$Ta, $^{179m,177m,175}$Hf were also assessed. Stacked foil irradiation technique and $\\gamma$-ray spectrometry were used. New experimental cross section data for the $^{nat}$Ta(d,xn)$^{178}$W reaction are als","authors_text":"A.Hermanne, A.V. ignatyuk, F. Ditr\\'oi, F. T\\'ark'anyi, M.S. Uddin, S. Tak'acs","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2014-12-01T10:33:02Z","title":"Activation cross sections of $\\alpha$-particle induced nuclear reactions on hafnium and deuteron induced nuclear reaction on tantalum: production of $^{178}$W/$^{178m}$Ta generator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.0411","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":"sha256:4b7a706d29d62a72f41d1da47169919aed9319345ce8bec4682786d25f077761","target":"record","created_at":"2026-05-18T02:32:27Z","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":"898a1d84da84bd4fde36a4a6d92ef8089e2b6327c7d825025a56c7708a5a38ba","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2014-12-01T10:33:02Z","title_canon_sha256":"0bdfbd3ec003c6a808971ed974c61e715b4874124d5cacf917419a9905a3a469"},"schema_version":"1.0","source":{"id":"1412.0411","kind":"arxiv","version":1}},"canonical_sha256":"a27e282df70a5cc4b38972c1f773d30c4dfe2416cfed868473fe1fa94d51dcf4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a27e282df70a5cc4b38972c1f773d30c4dfe2416cfed868473fe1fa94d51dcf4","first_computed_at":"2026-05-18T02:32:27.933572Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:32:27.933572Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3WBbINijwUDiMAwNeI/5+jtCx5NBuHhlL8j9VDKLsgHuHsvZi3PI6xeNus/ufaPTc6cY1908R3NXQJitO/RqCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:32:27.933905Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.0411","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4b7a706d29d62a72f41d1da47169919aed9319345ce8bec4682786d25f077761","sha256:8856b4fafd2289629b7fbed01528cca57472af05a14b503f110c95df64f07915"],"state_sha256":"f265accddfd73617c94c7cfdfe5d5fb5f6cc1db75354be882ef9604eeec10c9d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tJMpRv8lrvNdHW7ESsr1PrVxcgeDSbLhb/nx8WZrYlOlfBWx4gPBzyHDYSLZZtC0QoMvLAeAwPyzeWqCzCI7CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T22:19:52.601028Z","bundle_sha256":"d451287a783231471b9ad1a77227206641da723d2ddee5ff6e26a5b793a03c6f"}}