{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:JVTQ6VZJNTHDATKWN3AGR4BCVA","short_pith_number":"pith:JVTQ6VZJ","canonical_record":{"source":{"id":"1811.01005","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-11-02T17:43:05Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"9f9fbeb933b50bd9274ae202d5a93cde4756b25d8e50a6a815a4631ad08e225a","abstract_canon_sha256":"1854992574ad100d36a769393865446f6b8f2455fe326ddc7b87f362d6af79fa"},"schema_version":"1.0"},"canonical_sha256":"4d670f57296cce304d566ec068f022a806c163cda4c57310f1be79cdaf9285ff","source":{"kind":"arxiv","id":"1811.01005","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.01005","created_at":"2026-05-18T00:01:39Z"},{"alias_kind":"arxiv_version","alias_value":"1811.01005v1","created_at":"2026-05-18T00:01:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.01005","created_at":"2026-05-18T00:01:39Z"},{"alias_kind":"pith_short_12","alias_value":"JVTQ6VZJNTHD","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"JVTQ6VZJNTHDATKW","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"JVTQ6VZJ","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:JVTQ6VZJNTHDATKWN3AGR4BCVA","target":"record","payload":{"canonical_record":{"source":{"id":"1811.01005","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-11-02T17:43:05Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"9f9fbeb933b50bd9274ae202d5a93cde4756b25d8e50a6a815a4631ad08e225a","abstract_canon_sha256":"1854992574ad100d36a769393865446f6b8f2455fe326ddc7b87f362d6af79fa"},"schema_version":"1.0"},"canonical_sha256":"4d670f57296cce304d566ec068f022a806c163cda4c57310f1be79cdaf9285ff","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:01:39.678638Z","signature_b64":"cZTmBVw3TN5vJ/4JUWyPjsv8Ib1cVQA9h43F2OXhOEZWTmGv4hodlRYcB+nAuJahaYTlIgBQF5/kuNKpr+iCBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4d670f57296cce304d566ec068f022a806c163cda4c57310f1be79cdaf9285ff","last_reissued_at":"2026-05-18T00:01:39.678045Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:01:39.678045Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.01005","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":"2026-05-18T00:01:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"znoWKyWJzZF7UXLPJVWQxe5LpN9/0pW5jY0k38iQBXt+/2i7Ob+nv+8F2w7W+ar/5XFs96ELjX2h6SsgMrNKBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T12:21:18.516222Z"},"content_sha256":"1544405d9841ae85708b6175e746d8612fc033707c7f2deb148c56bfb7ff074d","schema_version":"1.0","event_id":"sha256:1544405d9841ae85708b6175e746d8612fc033707c7f2deb148c56bfb7ff074d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:JVTQ6VZJNTHDATKWN3AGR4BCVA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Development of a gaseous proton-recoil detector for neutron flux measurements between 0.2 and 2 MeV neutron energy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"physics.ins-det","authors_text":"Beatriz Jurado, Igor Tsekhanovich, Ludovic Mathieu, Mourad A\\\"iche, Paola Marini, Serge Czajkowski","submitted_at":"2018-11-02T17:43:05Z","abstract_excerpt":"Absolute measurements of neutron fluence are an essential prerequisite of neutron-induced cross section measurements, neutron beam lines characterization and dosimetric investigations. The H(n,p) elastic scattering cross section is a very well known standard used to perform precise neutron flux measurements in high precision measurements. The use of this technique, with proton recoil detectors, is not straightforward below incident neutron energy of 1 MeV, due to a high background in the detected proton spectrum. Experiments have been carried out at the AIFIRA facility to investigate such back"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.01005","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":"2026-05-18T00:01:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ho8zctjehmLGpy6I8h/sP1zbE+DofI0ccpcI2WYqa8l8PUhDGkgkVRCKQ/3qOkXkd/AvX/4sZuT8Ygc9V+IFBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T12:21:18.516583Z"},"content_sha256":"e5fb947821413f18019e4801f1752d85b6cd13a0f77399ccd3f68c69d59b816e","schema_version":"1.0","event_id":"sha256:e5fb947821413f18019e4801f1752d85b6cd13a0f77399ccd3f68c69d59b816e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JVTQ6VZJNTHDATKWN3AGR4BCVA/bundle.json","state_url":"https://pith.science/pith/JVTQ6VZJNTHDATKWN3AGR4BCVA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JVTQ6VZJNTHDATKWN3AGR4BCVA/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":"2026-07-04T12:21:18Z","links":{"resolver":"https://pith.science/pith/JVTQ6VZJNTHDATKWN3AGR4BCVA","bundle":"https://pith.science/pith/JVTQ6VZJNTHDATKWN3AGR4BCVA/bundle.json","state":"https://pith.science/pith/JVTQ6VZJNTHDATKWN3AGR4BCVA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JVTQ6VZJNTHDATKWN3AGR4BCVA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:JVTQ6VZJNTHDATKWN3AGR4BCVA","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":"1854992574ad100d36a769393865446f6b8f2455fe326ddc7b87f362d6af79fa","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-11-02T17:43:05Z","title_canon_sha256":"9f9fbeb933b50bd9274ae202d5a93cde4756b25d8e50a6a815a4631ad08e225a"},"schema_version":"1.0","source":{"id":"1811.01005","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.01005","created_at":"2026-05-18T00:01:39Z"},{"alias_kind":"arxiv_version","alias_value":"1811.01005v1","created_at":"2026-05-18T00:01:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.01005","created_at":"2026-05-18T00:01:39Z"},{"alias_kind":"pith_short_12","alias_value":"JVTQ6VZJNTHD","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"JVTQ6VZJNTHDATKW","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"JVTQ6VZJ","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:e5fb947821413f18019e4801f1752d85b6cd13a0f77399ccd3f68c69d59b816e","target":"graph","created_at":"2026-05-18T00:01:39Z","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":"Absolute measurements of neutron fluence are an essential prerequisite of neutron-induced cross section measurements, neutron beam lines characterization and dosimetric investigations. The H(n,p) elastic scattering cross section is a very well known standard used to perform precise neutron flux measurements in high precision measurements. The use of this technique, with proton recoil detectors, is not straightforward below incident neutron energy of 1 MeV, due to a high background in the detected proton spectrum. Experiments have been carried out at the AIFIRA facility to investigate such back","authors_text":"Beatriz Jurado, Igor Tsekhanovich, Ludovic Mathieu, Mourad A\\\"iche, Paola Marini, Serge Czajkowski","cross_cats":["nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-11-02T17:43:05Z","title":"Development of a gaseous proton-recoil detector for neutron flux measurements between 0.2 and 2 MeV neutron energy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.01005","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":"sha256:1544405d9841ae85708b6175e746d8612fc033707c7f2deb148c56bfb7ff074d","target":"record","created_at":"2026-05-18T00:01:39Z","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":"1854992574ad100d36a769393865446f6b8f2455fe326ddc7b87f362d6af79fa","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-11-02T17:43:05Z","title_canon_sha256":"9f9fbeb933b50bd9274ae202d5a93cde4756b25d8e50a6a815a4631ad08e225a"},"schema_version":"1.0","source":{"id":"1811.01005","kind":"arxiv","version":1}},"canonical_sha256":"4d670f57296cce304d566ec068f022a806c163cda4c57310f1be79cdaf9285ff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4d670f57296cce304d566ec068f022a806c163cda4c57310f1be79cdaf9285ff","first_computed_at":"2026-05-18T00:01:39.678045Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:39.678045Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cZTmBVw3TN5vJ/4JUWyPjsv8Ib1cVQA9h43F2OXhOEZWTmGv4hodlRYcB+nAuJahaYTlIgBQF5/kuNKpr+iCBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:39.678638Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.01005","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1544405d9841ae85708b6175e746d8612fc033707c7f2deb148c56bfb7ff074d","sha256:e5fb947821413f18019e4801f1752d85b6cd13a0f77399ccd3f68c69d59b816e"],"state_sha256":"2d743d005d57209e5626259aa624c76aea522fe0a239f18c474dd4ed91934722"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ShD0kDEB7z22wuwmxIdYbejg1dSsiIuSnpMzCdk17X3w4rmAeoJX7B3pBmeBI1kKQB6ISsiFvdOoEjs05zpwAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-04T12:21:18.518822Z","bundle_sha256":"f9606733bf2521eeb09a9f5444fe6ad466f6812e9c152cd8b05383fdb8d364f6"}}