{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:GGWX6BB3JCEY6Q5KW2CWJCEKLV","short_pith_number":"pith:GGWX6BB3","canonical_record":{"source":{"id":"1405.1294","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-05-06T15:01:52Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"0bb496db4a64bbfb1cf5083ce558a6981e96502b4596ca1ca7b573e1999a7356","abstract_canon_sha256":"6c64bea0d52b2ba3e5528038e1baee3bccc780d888d073ff80b65f1d8558b0a3"},"schema_version":"1.0"},"canonical_sha256":"31ad7f043b48898f43aab68564888a5d6482ce302a15126542a9d476a5b1fe3b","source":{"kind":"arxiv","id":"1405.1294","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.1294","created_at":"2026-05-18T02:52:33Z"},{"alias_kind":"arxiv_version","alias_value":"1405.1294v1","created_at":"2026-05-18T02:52:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.1294","created_at":"2026-05-18T02:52:33Z"},{"alias_kind":"pith_short_12","alias_value":"GGWX6BB3JCEY","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_16","alias_value":"GGWX6BB3JCEY6Q5K","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_8","alias_value":"GGWX6BB3","created_at":"2026-05-18T12:28:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:GGWX6BB3JCEY6Q5KW2CWJCEKLV","target":"record","payload":{"canonical_record":{"source":{"id":"1405.1294","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-05-06T15:01:52Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"0bb496db4a64bbfb1cf5083ce558a6981e96502b4596ca1ca7b573e1999a7356","abstract_canon_sha256":"6c64bea0d52b2ba3e5528038e1baee3bccc780d888d073ff80b65f1d8558b0a3"},"schema_version":"1.0"},"canonical_sha256":"31ad7f043b48898f43aab68564888a5d6482ce302a15126542a9d476a5b1fe3b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:52:33.111188Z","signature_b64":"zPNtxodc5VPF2Mj7ZN5+U3ul7wUFey8Gk6veXmqs0soZdd85PvX5cJxnOarzGYnJ4wK02ys7NM6PDbx2oWiUAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"31ad7f043b48898f43aab68564888a5d6482ce302a15126542a9d476a5b1fe3b","last_reissued_at":"2026-05-18T02:52:33.110735Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:52:33.110735Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1405.1294","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":"2026-05-18T02:52:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MHuAbIdUmOLS/9KTBpz3tdpZCk2ek/8Gyz/n1LJK1hnfY42TdtZsGFVmz3oGiyilEVAFDsjieHM2+l6ltDD2CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T20:02:22.125119Z"},"content_sha256":"5e00ac9c4f3244573abd3534c57a177f9f4e0771ce84ee6b3e3d6c7536714231","schema_version":"1.0","event_id":"sha256:5e00ac9c4f3244573abd3534c57a177f9f4e0771ce84ee6b3e3d6c7536714231"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:GGWX6BB3JCEY6Q5KW2CWJCEKLV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Proton polarizabilities from polarized Compton scattering: low-energy expansion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"nucl-th","authors_text":"Nadiia Krupina (KPH, U. Mainz)","submitted_at":"2014-05-06T15:01:52Z","abstract_excerpt":"We reexamine the low-energy expansion of polarized Compton scattering off the proton and show that the leading non-Born contribution to the beam asymmetry of low-energy Compton scattering is given by the magnetic polarizability alone, the electric polarizability cancels out. Based on this fact we propose to determine the magnetic dipole polarizability of the proton from the beam asymmetry. We also present the low-energy expansion of doubly-polarized observables, from which the spin polarizabilities can be extracted."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.1294","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":"2026-05-18T02:52:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zin2jOILRmfayj97zXqaSCY7XHjYquIxYTIjanP2ebRs6/hS1sL9ec541CzdDCeKab9PgyBXf0vo+W4fsLDYBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T20:02:22.125802Z"},"content_sha256":"a4d026937b70871e3b1ce4193891f86f75f06287d4b184a0ae87fdc6f05c58a9","schema_version":"1.0","event_id":"sha256:a4d026937b70871e3b1ce4193891f86f75f06287d4b184a0ae87fdc6f05c58a9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GGWX6BB3JCEY6Q5KW2CWJCEKLV/bundle.json","state_url":"https://pith.science/pith/GGWX6BB3JCEY6Q5KW2CWJCEKLV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GGWX6BB3JCEY6Q5KW2CWJCEKLV/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":"2026-06-08T20:02:22Z","links":{"resolver":"https://pith.science/pith/GGWX6BB3JCEY6Q5KW2CWJCEKLV","bundle":"https://pith.science/pith/GGWX6BB3JCEY6Q5KW2CWJCEKLV/bundle.json","state":"https://pith.science/pith/GGWX6BB3JCEY6Q5KW2CWJCEKLV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GGWX6BB3JCEY6Q5KW2CWJCEKLV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:GGWX6BB3JCEY6Q5KW2CWJCEKLV","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":"6c64bea0d52b2ba3e5528038e1baee3bccc780d888d073ff80b65f1d8558b0a3","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-05-06T15:01:52Z","title_canon_sha256":"0bb496db4a64bbfb1cf5083ce558a6981e96502b4596ca1ca7b573e1999a7356"},"schema_version":"1.0","source":{"id":"1405.1294","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.1294","created_at":"2026-05-18T02:52:33Z"},{"alias_kind":"arxiv_version","alias_value":"1405.1294v1","created_at":"2026-05-18T02:52:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.1294","created_at":"2026-05-18T02:52:33Z"},{"alias_kind":"pith_short_12","alias_value":"GGWX6BB3JCEY","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_16","alias_value":"GGWX6BB3JCEY6Q5K","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_8","alias_value":"GGWX6BB3","created_at":"2026-05-18T12:28:30Z"}],"graph_snapshots":[{"event_id":"sha256:a4d026937b70871e3b1ce4193891f86f75f06287d4b184a0ae87fdc6f05c58a9","target":"graph","created_at":"2026-05-18T02:52:33Z","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 reexamine the low-energy expansion of polarized Compton scattering off the proton and show that the leading non-Born contribution to the beam asymmetry of low-energy Compton scattering is given by the magnetic polarizability alone, the electric polarizability cancels out. Based on this fact we propose to determine the magnetic dipole polarizability of the proton from the beam asymmetry. We also present the low-energy expansion of doubly-polarized observables, from which the spin polarizabilities can be extracted.","authors_text":"Nadiia Krupina (KPH, U. Mainz)","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-05-06T15:01:52Z","title":"Proton polarizabilities from polarized Compton scattering: low-energy expansion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.1294","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":"sha256:5e00ac9c4f3244573abd3534c57a177f9f4e0771ce84ee6b3e3d6c7536714231","target":"record","created_at":"2026-05-18T02:52:33Z","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":"6c64bea0d52b2ba3e5528038e1baee3bccc780d888d073ff80b65f1d8558b0a3","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-05-06T15:01:52Z","title_canon_sha256":"0bb496db4a64bbfb1cf5083ce558a6981e96502b4596ca1ca7b573e1999a7356"},"schema_version":"1.0","source":{"id":"1405.1294","kind":"arxiv","version":1}},"canonical_sha256":"31ad7f043b48898f43aab68564888a5d6482ce302a15126542a9d476a5b1fe3b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"31ad7f043b48898f43aab68564888a5d6482ce302a15126542a9d476a5b1fe3b","first_computed_at":"2026-05-18T02:52:33.110735Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:52:33.110735Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zPNtxodc5VPF2Mj7ZN5+U3ul7wUFey8Gk6veXmqs0soZdd85PvX5cJxnOarzGYnJ4wK02ys7NM6PDbx2oWiUAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:52:33.111188Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.1294","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5e00ac9c4f3244573abd3534c57a177f9f4e0771ce84ee6b3e3d6c7536714231","sha256:a4d026937b70871e3b1ce4193891f86f75f06287d4b184a0ae87fdc6f05c58a9"],"state_sha256":"d3355a2aa865ead2d66b028670f427018740f80b226977416379ded57d26f1e0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0YNFTLjLqTd2RVWvOzsjK9MOHsNk0Fgob5OTjhd8kzUG0a06wTTKVQXkQSaGkA5Ln3mGxVlm9iQNTGQIhFn8Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T20:02:22.130391Z","bundle_sha256":"3f5d37b159b53bd2458eb50e62171d4950e06cc724946424de2ca801afce7aed"}}