{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:7FKQPXGRLB7B43AI7IXBF7OPC3","short_pith_number":"pith:7FKQPXGR","canonical_record":{"source":{"id":"1509.06993","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-09-23T14:06:46Z","cross_cats_sorted":[],"title_canon_sha256":"ab00efad42a012a131fdaef4779e8ae8b70753a4edd2154582ce66f9677d68fc","abstract_canon_sha256":"d18e3d90d54162e62631eca8400efee3c945dfe68bc4bd43692edbae3c759619"},"schema_version":"1.0"},"canonical_sha256":"f95507dcd1587e1e6c08fa2e12fdcf16e26bcf918fcbe8d62815229c171d146b","source":{"kind":"arxiv","id":"1509.06993","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.06993","created_at":"2026-05-18T01:32:17Z"},{"alias_kind":"arxiv_version","alias_value":"1509.06993v1","created_at":"2026-05-18T01:32:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.06993","created_at":"2026-05-18T01:32:17Z"},{"alias_kind":"pith_short_12","alias_value":"7FKQPXGRLB7B","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"7FKQPXGRLB7B43AI","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"7FKQPXGR","created_at":"2026-05-18T12:29:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:7FKQPXGRLB7B43AI7IXBF7OPC3","target":"record","payload":{"canonical_record":{"source":{"id":"1509.06993","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-09-23T14:06:46Z","cross_cats_sorted":[],"title_canon_sha256":"ab00efad42a012a131fdaef4779e8ae8b70753a4edd2154582ce66f9677d68fc","abstract_canon_sha256":"d18e3d90d54162e62631eca8400efee3c945dfe68bc4bd43692edbae3c759619"},"schema_version":"1.0"},"canonical_sha256":"f95507dcd1587e1e6c08fa2e12fdcf16e26bcf918fcbe8d62815229c171d146b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:32:17.262931Z","signature_b64":"u3mVM8SWVJprloKr2xb+PyZOTnJ3oiGsKsCiyGi9IjN3nQS8kfUM8+YVuUhbXRKzDlTjR1meyzRDtVcALfhsAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f95507dcd1587e1e6c08fa2e12fdcf16e26bcf918fcbe8d62815229c171d146b","last_reissued_at":"2026-05-18T01:32:17.262248Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:32:17.262248Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.06993","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":"2026-05-18T01:32:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bAW41MhmihJymD69CDsXMhhRakgCQRsKE1wrA2pLKxVp+LC3fyPZfvOH+tlkXli+waRo62U2/IejuKP9+spOBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T23:31:21.389367Z"},"content_sha256":"1f680a67ecdf09816a2a2bdda6337fad6794bb779b07d632c35a7daf16bfd541","schema_version":"1.0","event_id":"sha256:1f680a67ecdf09816a2a2bdda6337fad6794bb779b07d632c35a7daf16bfd541"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:7FKQPXGRLB7B43AI7IXBF7OPC3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Covariant ChPT calculation of the hyperon forward spin polarizability","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Astrid Hiller Blin, Thomas Gutsche, Tim Ledwig, Valery E. Lyubovitskij","submitted_at":"2015-09-23T14:06:46Z","abstract_excerpt":"We predict the values for baryon forward spin polarizabilities in fully covariant ChPT and including the virtual contributions of the spin-3/2 states. As the nucleon results are in good agreement with the experimental data and they do not depend on renormalization schemes, we extend the calculations to the hyperon sector."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.06993","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":"2026-05-18T01:32:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bga0kcdAIG0D7JW2bPnwC7WI2FzNHa1ysSrUkT2mMPf52Fu6aFKjiW8RN80qxkAqrXSxu5k4Fh9M96SgZo4FCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T23:31:21.389768Z"},"content_sha256":"a66abf3e154c4c7c8c95b22c60c956bc2beaffec010965a692acdb34470feb3f","schema_version":"1.0","event_id":"sha256:a66abf3e154c4c7c8c95b22c60c956bc2beaffec010965a692acdb34470feb3f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7FKQPXGRLB7B43AI7IXBF7OPC3/bundle.json","state_url":"https://pith.science/pith/7FKQPXGRLB7B43AI7IXBF7OPC3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7FKQPXGRLB7B43AI7IXBF7OPC3/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":"2026-05-30T23:31:21Z","links":{"resolver":"https://pith.science/pith/7FKQPXGRLB7B43AI7IXBF7OPC3","bundle":"https://pith.science/pith/7FKQPXGRLB7B43AI7IXBF7OPC3/bundle.json","state":"https://pith.science/pith/7FKQPXGRLB7B43AI7IXBF7OPC3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7FKQPXGRLB7B43AI7IXBF7OPC3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:7FKQPXGRLB7B43AI7IXBF7OPC3","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":"d18e3d90d54162e62631eca8400efee3c945dfe68bc4bd43692edbae3c759619","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-09-23T14:06:46Z","title_canon_sha256":"ab00efad42a012a131fdaef4779e8ae8b70753a4edd2154582ce66f9677d68fc"},"schema_version":"1.0","source":{"id":"1509.06993","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.06993","created_at":"2026-05-18T01:32:17Z"},{"alias_kind":"arxiv_version","alias_value":"1509.06993v1","created_at":"2026-05-18T01:32:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.06993","created_at":"2026-05-18T01:32:17Z"},{"alias_kind":"pith_short_12","alias_value":"7FKQPXGRLB7B","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"7FKQPXGRLB7B43AI","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"7FKQPXGR","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:a66abf3e154c4c7c8c95b22c60c956bc2beaffec010965a692acdb34470feb3f","target":"graph","created_at":"2026-05-18T01:32:17Z","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 predict the values for baryon forward spin polarizabilities in fully covariant ChPT and including the virtual contributions of the spin-3/2 states. As the nucleon results are in good agreement with the experimental data and they do not depend on renormalization schemes, we extend the calculations to the hyperon sector.","authors_text":"Astrid Hiller Blin, Thomas Gutsche, Tim Ledwig, Valery E. Lyubovitskij","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-09-23T14:06:46Z","title":"Covariant ChPT calculation of the hyperon forward spin polarizability"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.06993","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":"sha256:1f680a67ecdf09816a2a2bdda6337fad6794bb779b07d632c35a7daf16bfd541","target":"record","created_at":"2026-05-18T01:32:17Z","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":"d18e3d90d54162e62631eca8400efee3c945dfe68bc4bd43692edbae3c759619","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-09-23T14:06:46Z","title_canon_sha256":"ab00efad42a012a131fdaef4779e8ae8b70753a4edd2154582ce66f9677d68fc"},"schema_version":"1.0","source":{"id":"1509.06993","kind":"arxiv","version":1}},"canonical_sha256":"f95507dcd1587e1e6c08fa2e12fdcf16e26bcf918fcbe8d62815229c171d146b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f95507dcd1587e1e6c08fa2e12fdcf16e26bcf918fcbe8d62815229c171d146b","first_computed_at":"2026-05-18T01:32:17.262248Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:32:17.262248Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u3mVM8SWVJprloKr2xb+PyZOTnJ3oiGsKsCiyGi9IjN3nQS8kfUM8+YVuUhbXRKzDlTjR1meyzRDtVcALfhsAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:32:17.262931Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.06993","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1f680a67ecdf09816a2a2bdda6337fad6794bb779b07d632c35a7daf16bfd541","sha256:a66abf3e154c4c7c8c95b22c60c956bc2beaffec010965a692acdb34470feb3f"],"state_sha256":"41d06c402adc62448fa0e5870cfff12573f7faa22fbdb1535508c991b4d21b00"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zjzoyo+ZyGhUuZydmpb9rVbqTXHK4+NiGz1D7xDoUbQXExy7xShDZH09JVUSH2sO+vs4JCRCB8zHxhVbqPVaCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T23:31:21.392387Z","bundle_sha256":"54b06ea7b67ea893a1ad487372a432fc55a9e5e0e7d7cec47a709ec02995a1d3"}}