{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:KAL42URI5QGWA3CGRNETQ7VNJB","short_pith_number":"pith:KAL42URI","canonical_record":{"source":{"id":"1309.3313","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-09-12T21:44:10Z","cross_cats_sorted":[],"title_canon_sha256":"fa85b4f776435b49b564decad651306a8f8f0b1ec8ea87a495a380fbaa0e5977","abstract_canon_sha256":"f8929b9b3573e63f4645a039a735a4490ea992ce8decda246eb89fcf49d1ab09"},"schema_version":"1.0"},"canonical_sha256":"5017cd5228ec0d606c468b49387ead484af74aedbda628030279753b13cd66b9","source":{"kind":"arxiv","id":"1309.3313","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.3313","created_at":"2026-05-18T01:47:42Z"},{"alias_kind":"arxiv_version","alias_value":"1309.3313v1","created_at":"2026-05-18T01:47:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.3313","created_at":"2026-05-18T01:47:42Z"},{"alias_kind":"pith_short_12","alias_value":"KAL42URI5QGW","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"KAL42URI5QGWA3CG","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"KAL42URI","created_at":"2026-05-18T12:27:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:KAL42URI5QGWA3CGRNETQ7VNJB","target":"record","payload":{"canonical_record":{"source":{"id":"1309.3313","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-09-12T21:44:10Z","cross_cats_sorted":[],"title_canon_sha256":"fa85b4f776435b49b564decad651306a8f8f0b1ec8ea87a495a380fbaa0e5977","abstract_canon_sha256":"f8929b9b3573e63f4645a039a735a4490ea992ce8decda246eb89fcf49d1ab09"},"schema_version":"1.0"},"canonical_sha256":"5017cd5228ec0d606c468b49387ead484af74aedbda628030279753b13cd66b9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:42.417493Z","signature_b64":"k3TFUvP5Pk+OitD7Xf92sJ0kg5HcN6xyqF6kvGu02/9gYDIyai1F+asIP3EzhEWL0ioeinem38mO3drZHWbUCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5017cd5228ec0d606c468b49387ead484af74aedbda628030279753b13cd66b9","last_reissued_at":"2026-05-18T01:47:42.416751Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:42.416751Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1309.3313","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":"2026-05-18T01:47:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FDlQpQCcdU5+pUvL3yw8aw+h4KU+LkojInj0riqe0VuohWZMDhUyKOOdYlKADFmEIyagReKdrLKeATbiSnE4Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:08:57.005608Z"},"content_sha256":"8e831a9fdd7e151f600f3f5f0b17b7b6308eb3055ea6825f8f9e4449e6cb3b45","schema_version":"1.0","event_id":"sha256:8e831a9fdd7e151f600f3f5f0b17b7b6308eb3055ea6825f8f9e4449e6cb3b45"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:KAL42URI5QGWA3CGRNETQ7VNJB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hadron Structure in Chiral Perturbation Theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A. Aleksejevs, S. Barkanova","submitted_at":"2013-09-12T21:44:10Z","abstract_excerpt":"We present our predictions for meson form factors for the SU(3) octet and investigate their impact on the pion electroproduction cross sections. The electric and magnetic polarizabilities of the SU(3) octet of mesons and baryons are analyzed in detail. These extensive calculations are made possible by the recent implementation of semi-automatized calculations in fully-relativistic chiral perturbation theory, which allows evaluation of polarizabilities from Compton scattering up to next-to-the-leading order."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.3313","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":"2026-05-18T01:47:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"taUi/PdxRutbyjhUXpcngPuJJlrOSOlVfm0feq5O9TN6zIZT8UhvSf4frV3CWiPImoQ6cR62UkruVpD8LPn+CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:08:57.006387Z"},"content_sha256":"83741d88d244a4b1fa0e9b6ab444a900ede241946d301d4787418da9fb228c6b","schema_version":"1.0","event_id":"sha256:83741d88d244a4b1fa0e9b6ab444a900ede241946d301d4787418da9fb228c6b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KAL42URI5QGWA3CGRNETQ7VNJB/bundle.json","state_url":"https://pith.science/pith/KAL42URI5QGWA3CGRNETQ7VNJB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KAL42URI5QGWA3CGRNETQ7VNJB/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":"2026-05-31T00:08:57Z","links":{"resolver":"https://pith.science/pith/KAL42URI5QGWA3CGRNETQ7VNJB","bundle":"https://pith.science/pith/KAL42URI5QGWA3CGRNETQ7VNJB/bundle.json","state":"https://pith.science/pith/KAL42URI5QGWA3CGRNETQ7VNJB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KAL42URI5QGWA3CGRNETQ7VNJB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:KAL42URI5QGWA3CGRNETQ7VNJB","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":"f8929b9b3573e63f4645a039a735a4490ea992ce8decda246eb89fcf49d1ab09","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-09-12T21:44:10Z","title_canon_sha256":"fa85b4f776435b49b564decad651306a8f8f0b1ec8ea87a495a380fbaa0e5977"},"schema_version":"1.0","source":{"id":"1309.3313","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.3313","created_at":"2026-05-18T01:47:42Z"},{"alias_kind":"arxiv_version","alias_value":"1309.3313v1","created_at":"2026-05-18T01:47:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.3313","created_at":"2026-05-18T01:47:42Z"},{"alias_kind":"pith_short_12","alias_value":"KAL42URI5QGW","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"KAL42URI5QGWA3CG","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"KAL42URI","created_at":"2026-05-18T12:27:49Z"}],"graph_snapshots":[{"event_id":"sha256:83741d88d244a4b1fa0e9b6ab444a900ede241946d301d4787418da9fb228c6b","target":"graph","created_at":"2026-05-18T01:47:42Z","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 present our predictions for meson form factors for the SU(3) octet and investigate their impact on the pion electroproduction cross sections. The electric and magnetic polarizabilities of the SU(3) octet of mesons and baryons are analyzed in detail. These extensive calculations are made possible by the recent implementation of semi-automatized calculations in fully-relativistic chiral perturbation theory, which allows evaluation of polarizabilities from Compton scattering up to next-to-the-leading order.","authors_text":"A. Aleksejevs, S. Barkanova","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-09-12T21:44:10Z","title":"Hadron Structure in Chiral Perturbation Theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.3313","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":"sha256:8e831a9fdd7e151f600f3f5f0b17b7b6308eb3055ea6825f8f9e4449e6cb3b45","target":"record","created_at":"2026-05-18T01:47:42Z","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":"f8929b9b3573e63f4645a039a735a4490ea992ce8decda246eb89fcf49d1ab09","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-09-12T21:44:10Z","title_canon_sha256":"fa85b4f776435b49b564decad651306a8f8f0b1ec8ea87a495a380fbaa0e5977"},"schema_version":"1.0","source":{"id":"1309.3313","kind":"arxiv","version":1}},"canonical_sha256":"5017cd5228ec0d606c468b49387ead484af74aedbda628030279753b13cd66b9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5017cd5228ec0d606c468b49387ead484af74aedbda628030279753b13cd66b9","first_computed_at":"2026-05-18T01:47:42.416751Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:47:42.416751Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k3TFUvP5Pk+OitD7Xf92sJ0kg5HcN6xyqF6kvGu02/9gYDIyai1F+asIP3EzhEWL0ioeinem38mO3drZHWbUCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:47:42.417493Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.3313","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8e831a9fdd7e151f600f3f5f0b17b7b6308eb3055ea6825f8f9e4449e6cb3b45","sha256:83741d88d244a4b1fa0e9b6ab444a900ede241946d301d4787418da9fb228c6b"],"state_sha256":"251d326bddef1393d3237067f44d7d58acb0aa243aa0892aa5a458564b540a24"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bNUd1gln5JkC86b73iH+ZWvz5ISrrDmk+chP7VXq6X+iTEjvTf2SC2F/VOv2zGmgk2wfjKKhAaEEnAiukkMrCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T00:08:57.010307Z","bundle_sha256":"b0d165d86c7d0e344cebc66d26fd51a5d8db9f953066cdb996eff5a020c62304"}}