{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:4FSWOA4WENZRONC6GX6UUFGBZ3","short_pith_number":"pith:4FSWOA4W","canonical_record":{"source":{"id":"1204.0847","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-04-04T02:12:52Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"72e0dbbc46804d802ebf086e591a4b4fc5e5f9559290adea5cba3520db1cb30d","abstract_canon_sha256":"8f2ffc0d6d3e0ff3af08e368c4090a10b0e31a90f07e55eeefda4ad0e81ea614"},"schema_version":"1.0"},"canonical_sha256":"e165670396237317345e35fd4a14c1cec2ba1d6e5d00dab6f99134c419e7a155","source":{"kind":"arxiv","id":"1204.0847","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.0847","created_at":"2026-05-18T01:57:57Z"},{"alias_kind":"arxiv_version","alias_value":"1204.0847v1","created_at":"2026-05-18T01:57:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.0847","created_at":"2026-05-18T01:57:57Z"},{"alias_kind":"pith_short_12","alias_value":"4FSWOA4WENZR","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"4FSWOA4WENZRONC6","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"4FSWOA4W","created_at":"2026-05-18T12:26:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:4FSWOA4WENZRONC6GX6UUFGBZ3","target":"record","payload":{"canonical_record":{"source":{"id":"1204.0847","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-04-04T02:12:52Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"72e0dbbc46804d802ebf086e591a4b4fc5e5f9559290adea5cba3520db1cb30d","abstract_canon_sha256":"8f2ffc0d6d3e0ff3af08e368c4090a10b0e31a90f07e55eeefda4ad0e81ea614"},"schema_version":"1.0"},"canonical_sha256":"e165670396237317345e35fd4a14c1cec2ba1d6e5d00dab6f99134c419e7a155","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:57.323818Z","signature_b64":"Co0V8I9JrFPcHy2n8X3XmxwqZJRDv6aOMH/PSslALiJ+1UUKEMyOTotDXmOBxTH4r7C3xiqDLZdsHxPkD9LXAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e165670396237317345e35fd4a14c1cec2ba1d6e5d00dab6f99134c419e7a155","last_reissued_at":"2026-05-18T01:57:57.323216Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:57.323216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.0847","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":"2026-05-18T01:57:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kPIXKKZppZUuY0VS77LrWEuRkrSNfiCqrjzeJLzA1ZcuKlea9CBCcv1r9cQGYb/WsgNq2EUDbhOJ60Xewa40DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T21:13:57.298403Z"},"content_sha256":"4fac04696fc6293d753ef91f731d28a22caa5e1cd96966f894b028d5006d7be3","schema_version":"1.0","event_id":"sha256:4fac04696fc6293d753ef91f731d28a22caa5e1cd96966f894b028d5006d7be3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:4FSWOA4WENZRONC6GX6UUFGBZ3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Transition from subbarrier to deep subbarrier regimes in heavy-ion fusion reactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"nucl-th","authors_text":"Ei Shwe Zin Thein, K. Hagino, N. W. Lwin","submitted_at":"2012-04-04T02:12:52Z","abstract_excerpt":"We analyze the recent experimental data of heavy-ion fusion cross sections available up to deep subbarrier energies in order to discuss the threshold incident energy for a deep subbarrier fusion hindrance phenomenon. To this end, we employ a one-dimensional potential model with a Woods-Saxon internuclear potential. Fitting the experimental data in two different energy regions with different Woods-Saxon potentials, we define the threshold energy as an intersect of the two fusion excitation functions. We show that the threshold energies so extracted are in good agreement with the empirical syste"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.0847","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":"2026-05-18T01:57:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8j9R/VmpP1mfZUMDnMb/brEGRbVOn7HQwmT9nzmCzxvrblyDjBMWeX8wyaebmFFCJHqyR7z44TShSYg0m9WYCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T21:13:57.298754Z"},"content_sha256":"23251ad356707d62987f02ead41d5490e60003d6c4f9e266baa64aafe0cc2384","schema_version":"1.0","event_id":"sha256:23251ad356707d62987f02ead41d5490e60003d6c4f9e266baa64aafe0cc2384"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4FSWOA4WENZRONC6GX6UUFGBZ3/bundle.json","state_url":"https://pith.science/pith/4FSWOA4WENZRONC6GX6UUFGBZ3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4FSWOA4WENZRONC6GX6UUFGBZ3/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":"2026-06-01T21:13:57Z","links":{"resolver":"https://pith.science/pith/4FSWOA4WENZRONC6GX6UUFGBZ3","bundle":"https://pith.science/pith/4FSWOA4WENZRONC6GX6UUFGBZ3/bundle.json","state":"https://pith.science/pith/4FSWOA4WENZRONC6GX6UUFGBZ3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4FSWOA4WENZRONC6GX6UUFGBZ3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:4FSWOA4WENZRONC6GX6UUFGBZ3","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":"8f2ffc0d6d3e0ff3af08e368c4090a10b0e31a90f07e55eeefda4ad0e81ea614","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-04-04T02:12:52Z","title_canon_sha256":"72e0dbbc46804d802ebf086e591a4b4fc5e5f9559290adea5cba3520db1cb30d"},"schema_version":"1.0","source":{"id":"1204.0847","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.0847","created_at":"2026-05-18T01:57:57Z"},{"alias_kind":"arxiv_version","alias_value":"1204.0847v1","created_at":"2026-05-18T01:57:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.0847","created_at":"2026-05-18T01:57:57Z"},{"alias_kind":"pith_short_12","alias_value":"4FSWOA4WENZR","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"4FSWOA4WENZRONC6","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"4FSWOA4W","created_at":"2026-05-18T12:26:53Z"}],"graph_snapshots":[{"event_id":"sha256:23251ad356707d62987f02ead41d5490e60003d6c4f9e266baa64aafe0cc2384","target":"graph","created_at":"2026-05-18T01:57:57Z","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 analyze the recent experimental data of heavy-ion fusion cross sections available up to deep subbarrier energies in order to discuss the threshold incident energy for a deep subbarrier fusion hindrance phenomenon. To this end, we employ a one-dimensional potential model with a Woods-Saxon internuclear potential. Fitting the experimental data in two different energy regions with different Woods-Saxon potentials, we define the threshold energy as an intersect of the two fusion excitation functions. We show that the threshold energies so extracted are in good agreement with the empirical syste","authors_text":"Ei Shwe Zin Thein, K. Hagino, N. W. Lwin","cross_cats":["nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-04-04T02:12:52Z","title":"Transition from subbarrier to deep subbarrier regimes in heavy-ion fusion reactions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.0847","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":"sha256:4fac04696fc6293d753ef91f731d28a22caa5e1cd96966f894b028d5006d7be3","target":"record","created_at":"2026-05-18T01:57:57Z","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":"8f2ffc0d6d3e0ff3af08e368c4090a10b0e31a90f07e55eeefda4ad0e81ea614","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-04-04T02:12:52Z","title_canon_sha256":"72e0dbbc46804d802ebf086e591a4b4fc5e5f9559290adea5cba3520db1cb30d"},"schema_version":"1.0","source":{"id":"1204.0847","kind":"arxiv","version":1}},"canonical_sha256":"e165670396237317345e35fd4a14c1cec2ba1d6e5d00dab6f99134c419e7a155","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e165670396237317345e35fd4a14c1cec2ba1d6e5d00dab6f99134c419e7a155","first_computed_at":"2026-05-18T01:57:57.323216Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:57.323216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Co0V8I9JrFPcHy2n8X3XmxwqZJRDv6aOMH/PSslALiJ+1UUKEMyOTotDXmOBxTH4r7C3xiqDLZdsHxPkD9LXAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:57.323818Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.0847","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4fac04696fc6293d753ef91f731d28a22caa5e1cd96966f894b028d5006d7be3","sha256:23251ad356707d62987f02ead41d5490e60003d6c4f9e266baa64aafe0cc2384"],"state_sha256":"b2deaed04fffa3dc1b45413cf33b19d37dd0d0ed5973b32274a2dcca1a64b61a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"URvu01RDBZhV9bSVhKdv1mdPCbUm69VeTG9SXyt1FzQJZUOTNpgu/PtALL3tbvi/VwFF21tr+ZnqTrmHbv3HBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T21:13:57.300760Z","bundle_sha256":"a7dd2d2f7d052bd952f759f27158cd3011ae826b254bc3e9525f9228a805269c"}}