{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:TKGGPADBBNMBUGXX6UZJJUOVJT","short_pith_number":"pith:TKGGPADB","canonical_record":{"source":{"id":"1512.09113","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-30T20:42:35Z","cross_cats_sorted":["nucl-ex","nucl-th"],"title_canon_sha256":"e18c6a1e22bc1a2945e2a52d5a42bd149c4f7e2d3c05dcc328849a86061fce09","abstract_canon_sha256":"3194298d8a8e2c88b114a4adf1e28fb1a37e689eb8f433a214389fc03185d298"},"schema_version":"1.0"},"canonical_sha256":"9a8c6780610b581a1af7f53294d1d54ce82e30d54f0187901ffdd09d077cda7a","source":{"kind":"arxiv","id":"1512.09113","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.09113","created_at":"2026-05-18T01:18:38Z"},{"alias_kind":"arxiv_version","alias_value":"1512.09113v3","created_at":"2026-05-18T01:18:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.09113","created_at":"2026-05-18T01:18:38Z"},{"alias_kind":"pith_short_12","alias_value":"TKGGPADBBNMB","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"TKGGPADBBNMBUGXX","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"TKGGPADB","created_at":"2026-05-18T12:29:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:TKGGPADBBNMBUGXX6UZJJUOVJT","target":"record","payload":{"canonical_record":{"source":{"id":"1512.09113","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-30T20:42:35Z","cross_cats_sorted":["nucl-ex","nucl-th"],"title_canon_sha256":"e18c6a1e22bc1a2945e2a52d5a42bd149c4f7e2d3c05dcc328849a86061fce09","abstract_canon_sha256":"3194298d8a8e2c88b114a4adf1e28fb1a37e689eb8f433a214389fc03185d298"},"schema_version":"1.0"},"canonical_sha256":"9a8c6780610b581a1af7f53294d1d54ce82e30d54f0187901ffdd09d077cda7a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:18:38.797178Z","signature_b64":"I6nn3n2pPrrMYBmu1lu+6J4mAW+qC8sm5twfnksfFyAjoAFDdsDUIKNTDqABAFaokJfw6ZU1QCbeO3sAsyqfBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9a8c6780610b581a1af7f53294d1d54ce82e30d54f0187901ffdd09d077cda7a","last_reissued_at":"2026-05-18T01:18:38.796231Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:18:38.796231Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.09113","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:18:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VS2a/BYtFiWMUpz+JQXTX9+6eyjrGGXVcWXyag05F/2L/0VQO5Qk8ioTcdDzL5VEwRAPF9vd7NnO0EYTjwoXCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T05:04:38.857154Z"},"content_sha256":"f0a9c2bba48fae21c2f8e2cfee3b88ad8bca6449e281d5cead1205e9abd4d5cc","schema_version":"1.0","event_id":"sha256:f0a9c2bba48fae21c2f8e2cfee3b88ad8bca6449e281d5cead1205e9abd4d5cc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:TKGGPADBBNMBUGXX6UZJJUOVJT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Two-photon exchange correction to muon-proton elastic scattering at low momentum transfer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"M. Vanderhaeghen (JGU Mainz), O. Tomalak","submitted_at":"2015-12-30T20:42:35Z","abstract_excerpt":"We evaluate the two-photon exchange (TPE) correction to the muon-proton elastic scattering at small momentum transfer. Besides the elastic (nucleon) intermediate state contribution, which is calculated exactly, we account for the inelastic intermediate states by expressing the TPE process approximately through the forward doubly virtual Compton scattering. The input in our evaluation is given by the unpolarized proton structure functions and by one subtraction function. For the latter, we provide an explicit evaluation based on a Regge fit of high-energy proton structure function data. It is f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.09113","kind":"arxiv","version":3},"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":"2026-05-18T01:18:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fR+DRSzPBaurDQY6cuvTnuw7xnFX6VOQN2yiblRjtv7on0qR18CRLVIfZISy/235C52tz9k4I3oHS6pBPAumAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T05:04:38.857512Z"},"content_sha256":"5a9becf7e735d7da034dddb1cc7ef4ddbb757a5a1f9fedc63fe54eca94ccd0f6","schema_version":"1.0","event_id":"sha256:5a9becf7e735d7da034dddb1cc7ef4ddbb757a5a1f9fedc63fe54eca94ccd0f6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TKGGPADBBNMBUGXX6UZJJUOVJT/bundle.json","state_url":"https://pith.science/pith/TKGGPADBBNMBUGXX6UZJJUOVJT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TKGGPADBBNMBUGXX6UZJJUOVJT/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":"2026-06-12T05:04:38Z","links":{"resolver":"https://pith.science/pith/TKGGPADBBNMBUGXX6UZJJUOVJT","bundle":"https://pith.science/pith/TKGGPADBBNMBUGXX6UZJJUOVJT/bundle.json","state":"https://pith.science/pith/TKGGPADBBNMBUGXX6UZJJUOVJT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TKGGPADBBNMBUGXX6UZJJUOVJT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:TKGGPADBBNMBUGXX6UZJJUOVJT","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":"3194298d8a8e2c88b114a4adf1e28fb1a37e689eb8f433a214389fc03185d298","cross_cats_sorted":["nucl-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-30T20:42:35Z","title_canon_sha256":"e18c6a1e22bc1a2945e2a52d5a42bd149c4f7e2d3c05dcc328849a86061fce09"},"schema_version":"1.0","source":{"id":"1512.09113","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.09113","created_at":"2026-05-18T01:18:38Z"},{"alias_kind":"arxiv_version","alias_value":"1512.09113v3","created_at":"2026-05-18T01:18:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.09113","created_at":"2026-05-18T01:18:38Z"},{"alias_kind":"pith_short_12","alias_value":"TKGGPADBBNMB","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"TKGGPADBBNMBUGXX","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"TKGGPADB","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:5a9becf7e735d7da034dddb1cc7ef4ddbb757a5a1f9fedc63fe54eca94ccd0f6","target":"graph","created_at":"2026-05-18T01:18:38Z","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 evaluate the two-photon exchange (TPE) correction to the muon-proton elastic scattering at small momentum transfer. Besides the elastic (nucleon) intermediate state contribution, which is calculated exactly, we account for the inelastic intermediate states by expressing the TPE process approximately through the forward doubly virtual Compton scattering. The input in our evaluation is given by the unpolarized proton structure functions and by one subtraction function. For the latter, we provide an explicit evaluation based on a Regge fit of high-energy proton structure function data. It is f","authors_text":"M. Vanderhaeghen (JGU Mainz), O. Tomalak","cross_cats":["nucl-ex","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-30T20:42:35Z","title":"Two-photon exchange correction to muon-proton elastic scattering at low momentum transfer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.09113","kind":"arxiv","version":3},"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:f0a9c2bba48fae21c2f8e2cfee3b88ad8bca6449e281d5cead1205e9abd4d5cc","target":"record","created_at":"2026-05-18T01:18:38Z","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":"3194298d8a8e2c88b114a4adf1e28fb1a37e689eb8f433a214389fc03185d298","cross_cats_sorted":["nucl-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-30T20:42:35Z","title_canon_sha256":"e18c6a1e22bc1a2945e2a52d5a42bd149c4f7e2d3c05dcc328849a86061fce09"},"schema_version":"1.0","source":{"id":"1512.09113","kind":"arxiv","version":3}},"canonical_sha256":"9a8c6780610b581a1af7f53294d1d54ce82e30d54f0187901ffdd09d077cda7a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9a8c6780610b581a1af7f53294d1d54ce82e30d54f0187901ffdd09d077cda7a","first_computed_at":"2026-05-18T01:18:38.796231Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:18:38.796231Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"I6nn3n2pPrrMYBmu1lu+6J4mAW+qC8sm5twfnksfFyAjoAFDdsDUIKNTDqABAFaokJfw6ZU1QCbeO3sAsyqfBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:18:38.797178Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.09113","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f0a9c2bba48fae21c2f8e2cfee3b88ad8bca6449e281d5cead1205e9abd4d5cc","sha256:5a9becf7e735d7da034dddb1cc7ef4ddbb757a5a1f9fedc63fe54eca94ccd0f6"],"state_sha256":"cacba09910e9f8eb8ecb4adc192b5db5fc1f55cbe25440a3bce04634b08dcb0e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VZKs1U4pa5ujmnjgyCnxgfGzvXkF2dFtDac9p3TcPxeE4NDZHo1fYgsIyP2lvLcBO/vH8dn5VvgIk5JKUyghCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T05:04:38.859486Z","bundle_sha256":"c6c14c2256dfe1356b0b1a491e6c69daa33b6f70eaaea848d53261022ccc1f97"}}