{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:I6P2RDAM5S7GSRU5U34OXHNZUI","short_pith_number":"pith:I6P2RDAM","canonical_record":{"source":{"id":"0908.3425","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-08-24T12:42:41Z","cross_cats_sorted":["hep-lat","nucl-th"],"title_canon_sha256":"f79af9ab3b6d15727b603454d03568bca34cc508757c1d126e5df35b8880acfa","abstract_canon_sha256":"34a4a832697153388005e61d5f257b870ace097a24d4b4a6e9fd0bc0e80003ea"},"schema_version":"1.0"},"canonical_sha256":"479fa88c0cecbe69469da6f8eb9db9a21518918cf3f10f951d21f7358031b399","source":{"kind":"arxiv","id":"0908.3425","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.3425","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"arxiv_version","alias_value":"0908.3425v1","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.3425","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"pith_short_12","alias_value":"I6P2RDAM5S7G","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"I6P2RDAM5S7GSRU5","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"I6P2RDAM","created_at":"2026-05-18T12:26:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:I6P2RDAM5S7GSRU5U34OXHNZUI","target":"record","payload":{"canonical_record":{"source":{"id":"0908.3425","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-08-24T12:42:41Z","cross_cats_sorted":["hep-lat","nucl-th"],"title_canon_sha256":"f79af9ab3b6d15727b603454d03568bca34cc508757c1d126e5df35b8880acfa","abstract_canon_sha256":"34a4a832697153388005e61d5f257b870ace097a24d4b4a6e9fd0bc0e80003ea"},"schema_version":"1.0"},"canonical_sha256":"479fa88c0cecbe69469da6f8eb9db9a21518918cf3f10f951d21f7358031b399","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:12:23.605287Z","signature_b64":"khJ33Mt7P9skwqjYrPNh2YALwTgtU2sPOzhd4mZEPnXgxvnsQXRe4fdk18vPd4VB66F9SZazzOFJ/qz1Vix4Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"479fa88c0cecbe69469da6f8eb9db9a21518918cf3f10f951d21f7358031b399","last_reissued_at":"2026-05-18T02:12:23.604517Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:12:23.604517Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0908.3425","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":"2026-05-18T02:12:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d4ktgk83fOib7+hJ4mxTK7uP+5MMIqfQ0SncJW6NDLj/vRtHp/gb7epGGkbe1ChPfPo09G67TlMfqagkv31DCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T04:48:22.527818Z"},"content_sha256":"3e73d68d679d828ccf58132b6bd72a25105c882be12069e5636a630dc182222d","schema_version":"1.0","event_id":"sha256:3e73d68d679d828ccf58132b6bd72a25105c882be12069e5636a630dc182222d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:I6P2RDAM5S7GSRU5U34OXHNZUI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chiral Perturbation Theory: Introduction and Recent Results in the One-Nucleon Sector","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-lat","nucl-th"],"primary_cat":"hep-ph","authors_text":"Stefan Scherer","submitted_at":"2009-08-24T12:42:41Z","abstract_excerpt":"We provide an introduction to the basic concepts of chiral perturbation theory and discuss some recent developments in the manifestly Lorentz-invariant formulation of the one-nucleon sector."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.3425","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":"2026-05-18T02:12:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+Qve2D3quBjgaLK24GUKoEviEmutBeD/LQzEUIFF1qODLQleUYVKlGQhcNUW58bL2KubXj4ajB8b9PfkNvvHBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T04:48:22.528182Z"},"content_sha256":"915bcbca558c6b61fcb98c57f1a5c5e26ab6d5c14de1caf7eb645c7ff087de4f","schema_version":"1.0","event_id":"sha256:915bcbca558c6b61fcb98c57f1a5c5e26ab6d5c14de1caf7eb645c7ff087de4f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I6P2RDAM5S7GSRU5U34OXHNZUI/bundle.json","state_url":"https://pith.science/pith/I6P2RDAM5S7GSRU5U34OXHNZUI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I6P2RDAM5S7GSRU5U34OXHNZUI/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":"2026-06-01T04:48:22Z","links":{"resolver":"https://pith.science/pith/I6P2RDAM5S7GSRU5U34OXHNZUI","bundle":"https://pith.science/pith/I6P2RDAM5S7GSRU5U34OXHNZUI/bundle.json","state":"https://pith.science/pith/I6P2RDAM5S7GSRU5U34OXHNZUI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I6P2RDAM5S7GSRU5U34OXHNZUI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:I6P2RDAM5S7GSRU5U34OXHNZUI","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":"34a4a832697153388005e61d5f257b870ace097a24d4b4a6e9fd0bc0e80003ea","cross_cats_sorted":["hep-lat","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-08-24T12:42:41Z","title_canon_sha256":"f79af9ab3b6d15727b603454d03568bca34cc508757c1d126e5df35b8880acfa"},"schema_version":"1.0","source":{"id":"0908.3425","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.3425","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"arxiv_version","alias_value":"0908.3425v1","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.3425","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"pith_short_12","alias_value":"I6P2RDAM5S7G","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"I6P2RDAM5S7GSRU5","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"I6P2RDAM","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:915bcbca558c6b61fcb98c57f1a5c5e26ab6d5c14de1caf7eb645c7ff087de4f","target":"graph","created_at":"2026-05-18T02:12:23Z","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 provide an introduction to the basic concepts of chiral perturbation theory and discuss some recent developments in the manifestly Lorentz-invariant formulation of the one-nucleon sector.","authors_text":"Stefan Scherer","cross_cats":["hep-lat","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-08-24T12:42:41Z","title":"Chiral Perturbation Theory: Introduction and Recent Results in the One-Nucleon Sector"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.3425","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":"sha256:3e73d68d679d828ccf58132b6bd72a25105c882be12069e5636a630dc182222d","target":"record","created_at":"2026-05-18T02:12:23Z","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":"34a4a832697153388005e61d5f257b870ace097a24d4b4a6e9fd0bc0e80003ea","cross_cats_sorted":["hep-lat","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-08-24T12:42:41Z","title_canon_sha256":"f79af9ab3b6d15727b603454d03568bca34cc508757c1d126e5df35b8880acfa"},"schema_version":"1.0","source":{"id":"0908.3425","kind":"arxiv","version":1}},"canonical_sha256":"479fa88c0cecbe69469da6f8eb9db9a21518918cf3f10f951d21f7358031b399","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"479fa88c0cecbe69469da6f8eb9db9a21518918cf3f10f951d21f7358031b399","first_computed_at":"2026-05-18T02:12:23.604517Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:12:23.604517Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"khJ33Mt7P9skwqjYrPNh2YALwTgtU2sPOzhd4mZEPnXgxvnsQXRe4fdk18vPd4VB66F9SZazzOFJ/qz1Vix4Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:12:23.605287Z","signed_message":"canonical_sha256_bytes"},"source_id":"0908.3425","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3e73d68d679d828ccf58132b6bd72a25105c882be12069e5636a630dc182222d","sha256:915bcbca558c6b61fcb98c57f1a5c5e26ab6d5c14de1caf7eb645c7ff087de4f"],"state_sha256":"5c118ee30d9b0f54780e4a33672fafa59155857575b4f4fe19be08b9ac4c46ad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dREpXvV/HRgnmf6dmqI0IKoMFEzF8MA9QsAfUOwoXjVyJ7FjJG/Q4NK4JfhVLtxN/7nWVTO5iJbNLRbdG+UBCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T04:48:22.530400Z","bundle_sha256":"2449c1195666be609c7804a357385932b3d5d4dfab4428e8e493e201c8d29085"}}