{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:GBNOTFSJQ4L4PZ6T277OABWKWN","short_pith_number":"pith:GBNOTFSJ","canonical_record":{"source":{"id":"1303.6612","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2013-03-26T19:23:49Z","cross_cats_sorted":[],"title_canon_sha256":"1e08c6d980f36ee41dab76b631725d002c07c4c158000e4c3147cc5e4b0b30a2","abstract_canon_sha256":"d0165157a3aaa8fd6a89b389b525991294c35f891a321d21844bcf90e4c865a1"},"schema_version":"1.0"},"canonical_sha256":"305ae996498717c7e7d3d7fee006cab348e22a569a3d1b1251b918c2e5617de1","source":{"kind":"arxiv","id":"1303.6612","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.6612","created_at":"2026-05-18T01:50:52Z"},{"alias_kind":"arxiv_version","alias_value":"1303.6612v2","created_at":"2026-05-18T01:50:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.6612","created_at":"2026-05-18T01:50:52Z"},{"alias_kind":"pith_short_12","alias_value":"GBNOTFSJQ4L4","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"GBNOTFSJQ4L4PZ6T","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"GBNOTFSJ","created_at":"2026-05-18T12:27:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:GBNOTFSJQ4L4PZ6T277OABWKWN","target":"record","payload":{"canonical_record":{"source":{"id":"1303.6612","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2013-03-26T19:23:49Z","cross_cats_sorted":[],"title_canon_sha256":"1e08c6d980f36ee41dab76b631725d002c07c4c158000e4c3147cc5e4b0b30a2","abstract_canon_sha256":"d0165157a3aaa8fd6a89b389b525991294c35f891a321d21844bcf90e4c865a1"},"schema_version":"1.0"},"canonical_sha256":"305ae996498717c7e7d3d7fee006cab348e22a569a3d1b1251b918c2e5617de1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:50:52.412818Z","signature_b64":"kX/wz+dqau4VIcygWrrbGUXsWbI7fvXHDsj2sQ36FlQTDD5/B35ay1RGDeLl8mTHZh8ZPaQX3GJ0lGBLIC5qAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"305ae996498717c7e7d3d7fee006cab348e22a569a3d1b1251b918c2e5617de1","last_reissued_at":"2026-05-18T01:50:52.412109Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:50:52.412109Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.6612","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":"2026-05-18T01:50:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VVK55VD60YW2xs5U7CWdJ43RaErxSgirNAuBd0zKVg7WbuoMdYI86PlHC0dzRvi4sA7P9SJ7G8n11vqBe/WxDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:26:47.741484Z"},"content_sha256":"1c70d36737d1f1038155675ecb6dc714afea6ddce2ebd2f003baa3ed3939cbfe","schema_version":"1.0","event_id":"sha256:1c70d36737d1f1038155675ecb6dc714afea6ddce2ebd2f003baa3ed3939cbfe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:GBNOTFSJQ4L4PZ6T277OABWKWN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraints on Spin-Dependent Short-Range Interaction between Nucleons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"Allard Schnabel, Fabian Allmendinger, Frank Seifert, Kathlynne Tullney, Lutz Trahms, Martin Burghoff, Sergej Karpuk, Silvia Knappe-Gr\\\"uneberg, Ulrich Schmidt, Werner Heil, Wolfgang Kilian, Wolfgang M\\\"uller, Yuri Sobolev","submitted_at":"2013-03-26T19:23:49Z","abstract_excerpt":"We report on the search for a new spin-dependent P- and T-violating interaction between nucleons mediated by light, pseudoscalar bosons such as the axion which was invented to solve the strong CP problem. Our experimental approach is to use an ultra-sensitive low-field magnetometer based on the detection of free precession of co-located 3He and 129Xe nuclear spins using SQUIDs as low-noise magnetic flux detectors. In the presence of an unpolarized mass the precession frequency shif"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.6612","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":"2026-05-18T01:50:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HgZuUpr7WtVdSeR9cELjpXhPyfQZU8rHyJMTmDqyx9yFrXnJF4Y0cv/ZU4NY21UOQ3gT1FN7Y1btQbT0/ShdAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:26:47.741843Z"},"content_sha256":"701644374dfe6b080260a4321d0e5c2153327ab88d325eb12272325b90c5908b","schema_version":"1.0","event_id":"sha256:701644374dfe6b080260a4321d0e5c2153327ab88d325eb12272325b90c5908b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GBNOTFSJQ4L4PZ6T277OABWKWN/bundle.json","state_url":"https://pith.science/pith/GBNOTFSJQ4L4PZ6T277OABWKWN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GBNOTFSJQ4L4PZ6T277OABWKWN/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":"2026-05-25T15:26:47Z","links":{"resolver":"https://pith.science/pith/GBNOTFSJQ4L4PZ6T277OABWKWN","bundle":"https://pith.science/pith/GBNOTFSJQ4L4PZ6T277OABWKWN/bundle.json","state":"https://pith.science/pith/GBNOTFSJQ4L4PZ6T277OABWKWN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GBNOTFSJQ4L4PZ6T277OABWKWN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:GBNOTFSJQ4L4PZ6T277OABWKWN","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":"d0165157a3aaa8fd6a89b389b525991294c35f891a321d21844bcf90e4c865a1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2013-03-26T19:23:49Z","title_canon_sha256":"1e08c6d980f36ee41dab76b631725d002c07c4c158000e4c3147cc5e4b0b30a2"},"schema_version":"1.0","source":{"id":"1303.6612","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.6612","created_at":"2026-05-18T01:50:52Z"},{"alias_kind":"arxiv_version","alias_value":"1303.6612v2","created_at":"2026-05-18T01:50:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.6612","created_at":"2026-05-18T01:50:52Z"},{"alias_kind":"pith_short_12","alias_value":"GBNOTFSJQ4L4","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"GBNOTFSJQ4L4PZ6T","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"GBNOTFSJ","created_at":"2026-05-18T12:27:45Z"}],"graph_snapshots":[{"event_id":"sha256:701644374dfe6b080260a4321d0e5c2153327ab88d325eb12272325b90c5908b","target":"graph","created_at":"2026-05-18T01:50:52Z","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 report on the search for a new spin-dependent P- and T-violating interaction between nucleons mediated by light, pseudoscalar bosons such as the axion which was invented to solve the strong CP problem. Our experimental approach is to use an ultra-sensitive low-field magnetometer based on the detection of free precession of co-located 3He and 129Xe nuclear spins using SQUIDs as low-noise magnetic flux detectors. In the presence of an unpolarized mass the precession frequency shif","authors_text":"Allard Schnabel, Fabian Allmendinger, Frank Seifert, Kathlynne Tullney, Lutz Trahms, Martin Burghoff, Sergej Karpuk, Silvia Knappe-Gr\\\"uneberg, Ulrich Schmidt, Werner Heil, Wolfgang Kilian, Wolfgang M\\\"uller, Yuri Sobolev","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2013-03-26T19:23:49Z","title":"Constraints on Spin-Dependent Short-Range Interaction between Nucleons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.6612","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":"sha256:1c70d36737d1f1038155675ecb6dc714afea6ddce2ebd2f003baa3ed3939cbfe","target":"record","created_at":"2026-05-18T01:50:52Z","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":"d0165157a3aaa8fd6a89b389b525991294c35f891a321d21844bcf90e4c865a1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2013-03-26T19:23:49Z","title_canon_sha256":"1e08c6d980f36ee41dab76b631725d002c07c4c158000e4c3147cc5e4b0b30a2"},"schema_version":"1.0","source":{"id":"1303.6612","kind":"arxiv","version":2}},"canonical_sha256":"305ae996498717c7e7d3d7fee006cab348e22a569a3d1b1251b918c2e5617de1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"305ae996498717c7e7d3d7fee006cab348e22a569a3d1b1251b918c2e5617de1","first_computed_at":"2026-05-18T01:50:52.412109Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:50:52.412109Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kX/wz+dqau4VIcygWrrbGUXsWbI7fvXHDsj2sQ36FlQTDD5/B35ay1RGDeLl8mTHZh8ZPaQX3GJ0lGBLIC5qAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:50:52.412818Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.6612","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1c70d36737d1f1038155675ecb6dc714afea6ddce2ebd2f003baa3ed3939cbfe","sha256:701644374dfe6b080260a4321d0e5c2153327ab88d325eb12272325b90c5908b"],"state_sha256":"eb756b33b29392d65f346dc0dafa8ab2f8d4d1fbebe4871365791966a6c9113f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BV4go2zG/BsvNrq6FVdOqkaWjfELcosfix4yRRlj/3O5BpVQ+3rPGmQEE6JbNkzMZcb+9KHj+6uMiMGpdD4oDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T15:26:47.743978Z","bundle_sha256":"624c6a4a4300dc79f67e9380249f9790c51ba9d555406e01ba2e5ec2779e1ef9"}}