{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:EIYDL7QAHQLJHJDOJMHAUIYQOP","short_pith_number":"pith:EIYDL7QA","canonical_record":{"source":{"id":"1202.2721","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-02-13T13:29:30Z","cross_cats_sorted":[],"title_canon_sha256":"c5a636ea7774638d619a095f8c37f59d19b9d100010c46e7dbdada577e25d9ac","abstract_canon_sha256":"5314c825fa0e4ff1c1ea12c7f831be276bd5c4992625e3b19944f872bb6c367c"},"schema_version":"1.0"},"canonical_sha256":"223035fe003c1693a46e4b0e0a231073f0c20722c17b9b85413790abf89cc4f6","source":{"kind":"arxiv","id":"1202.2721","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.2721","created_at":"2026-05-18T03:36:48Z"},{"alias_kind":"arxiv_version","alias_value":"1202.2721v2","created_at":"2026-05-18T03:36:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.2721","created_at":"2026-05-18T03:36:48Z"},{"alias_kind":"pith_short_12","alias_value":"EIYDL7QAHQLJ","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"EIYDL7QAHQLJHJDO","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"EIYDL7QA","created_at":"2026-05-18T12:27:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:EIYDL7QAHQLJHJDOJMHAUIYQOP","target":"record","payload":{"canonical_record":{"source":{"id":"1202.2721","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-02-13T13:29:30Z","cross_cats_sorted":[],"title_canon_sha256":"c5a636ea7774638d619a095f8c37f59d19b9d100010c46e7dbdada577e25d9ac","abstract_canon_sha256":"5314c825fa0e4ff1c1ea12c7f831be276bd5c4992625e3b19944f872bb6c367c"},"schema_version":"1.0"},"canonical_sha256":"223035fe003c1693a46e4b0e0a231073f0c20722c17b9b85413790abf89cc4f6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:36:48.122101Z","signature_b64":"l31k/uaBQaxaJBw1gW+PhG9OC4/vHpqLH2Hf7y/Vawu7F53qrWO/9f3J3IDQYgmehcuJ8xkqsUQntirDOKnHBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"223035fe003c1693a46e4b0e0a231073f0c20722c17b9b85413790abf89cc4f6","last_reissued_at":"2026-05-18T03:36:48.121534Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:36:48.121534Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1202.2721","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:36:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KNutNE8BHnc8PPGBDj4bTGp5r8YWM7a2xBHlJSIa0uNw9mD3TSp/NsXsKzY9OeP/OT5CpWsnO1voW8c0lw1xBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T14:30:54.612039Z"},"content_sha256":"76a161ff994cee3ad1fca0fcef40f3291c26a7117c8c832f4c8b1d1c68314957","schema_version":"1.0","event_id":"sha256:76a161ff994cee3ad1fca0fcef40f3291c26a7117c8c832f4c8b1d1c68314957"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:EIYDL7QAHQLJHJDOJMHAUIYQOP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Validity of the kink approximation to the tunneling action","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Alexander Westphal, Cecelie Hector, Koushik Dutta, Pascal M. Vaudrevange, Thomas Konstandin","submitted_at":"2012-02-13T13:29:30Z","abstract_excerpt":"Coleman tunneling in a general scalar potential with two non-degenerate minima is known to have an approximation in terms of a piecewise linear triangular-shaped potential with sharp 'kinks' at the place of the local minima. This approximate potential has a regime where the existence of the bounce solution needs the scalar field to 'wait' for some amount of Euclidean time at one of the 'kinks'. We discuss under which conditions a kink approximation of locally smooth 'cap' regions provides a good estimate for the bounce action."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.2721","kind":"arxiv","version":2},"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":"2026-05-18T03:36:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0pB1yZMAT4V3fZBVjrSlX8YcIuihpieE2jMU6uxD9e3UBirF8Ip4Cyf6NTqp0mRUX/prYgdmLRtTx97AOjLzDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T14:30:54.612642Z"},"content_sha256":"93eb85727b5379148347206afb877e79dfc2327cf1af04c7c46f30821929d897","schema_version":"1.0","event_id":"sha256:93eb85727b5379148347206afb877e79dfc2327cf1af04c7c46f30821929d897"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EIYDL7QAHQLJHJDOJMHAUIYQOP/bundle.json","state_url":"https://pith.science/pith/EIYDL7QAHQLJHJDOJMHAUIYQOP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EIYDL7QAHQLJHJDOJMHAUIYQOP/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":"2026-07-05T14:30:54Z","links":{"resolver":"https://pith.science/pith/EIYDL7QAHQLJHJDOJMHAUIYQOP","bundle":"https://pith.science/pith/EIYDL7QAHQLJHJDOJMHAUIYQOP/bundle.json","state":"https://pith.science/pith/EIYDL7QAHQLJHJDOJMHAUIYQOP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EIYDL7QAHQLJHJDOJMHAUIYQOP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:EIYDL7QAHQLJHJDOJMHAUIYQOP","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":"5314c825fa0e4ff1c1ea12c7f831be276bd5c4992625e3b19944f872bb6c367c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-02-13T13:29:30Z","title_canon_sha256":"c5a636ea7774638d619a095f8c37f59d19b9d100010c46e7dbdada577e25d9ac"},"schema_version":"1.0","source":{"id":"1202.2721","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.2721","created_at":"2026-05-18T03:36:48Z"},{"alias_kind":"arxiv_version","alias_value":"1202.2721v2","created_at":"2026-05-18T03:36:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.2721","created_at":"2026-05-18T03:36:48Z"},{"alias_kind":"pith_short_12","alias_value":"EIYDL7QAHQLJ","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"EIYDL7QAHQLJHJDO","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"EIYDL7QA","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:93eb85727b5379148347206afb877e79dfc2327cf1af04c7c46f30821929d897","target":"graph","created_at":"2026-05-18T03:36:48Z","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":"Coleman tunneling in a general scalar potential with two non-degenerate minima is known to have an approximation in terms of a piecewise linear triangular-shaped potential with sharp 'kinks' at the place of the local minima. This approximate potential has a regime where the existence of the bounce solution needs the scalar field to 'wait' for some amount of Euclidean time at one of the 'kinks'. We discuss under which conditions a kink approximation of locally smooth 'cap' regions provides a good estimate for the bounce action.","authors_text":"Alexander Westphal, Cecelie Hector, Koushik Dutta, Pascal M. Vaudrevange, Thomas Konstandin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-02-13T13:29:30Z","title":"Validity of the kink approximation to the tunneling action"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.2721","kind":"arxiv","version":2},"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":"sha256:76a161ff994cee3ad1fca0fcef40f3291c26a7117c8c832f4c8b1d1c68314957","target":"record","created_at":"2026-05-18T03:36:48Z","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":"5314c825fa0e4ff1c1ea12c7f831be276bd5c4992625e3b19944f872bb6c367c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-02-13T13:29:30Z","title_canon_sha256":"c5a636ea7774638d619a095f8c37f59d19b9d100010c46e7dbdada577e25d9ac"},"schema_version":"1.0","source":{"id":"1202.2721","kind":"arxiv","version":2}},"canonical_sha256":"223035fe003c1693a46e4b0e0a231073f0c20722c17b9b85413790abf89cc4f6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"223035fe003c1693a46e4b0e0a231073f0c20722c17b9b85413790abf89cc4f6","first_computed_at":"2026-05-18T03:36:48.121534Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:36:48.121534Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l31k/uaBQaxaJBw1gW+PhG9OC4/vHpqLH2Hf7y/Vawu7F53qrWO/9f3J3IDQYgmehcuJ8xkqsUQntirDOKnHBA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:36:48.122101Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.2721","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:76a161ff994cee3ad1fca0fcef40f3291c26a7117c8c832f4c8b1d1c68314957","sha256:93eb85727b5379148347206afb877e79dfc2327cf1af04c7c46f30821929d897"],"state_sha256":"12f717b9d9d90c82b1c4eff2fa6756737c5c5dc4283b84c044e38cb14981d912"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"02dialeIxr0oZVcvq+M6497oPdHnC9Nb38tMnwbcF+wZSFtCvtroW/gFcxjm2AxZkZkzUdNt+3Kn7HGMtfHfDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T14:30:54.624453Z","bundle_sha256":"01b6d63026f2d45e5f69c61451c4c83f5996aba68dfe9d67f360e095a583cd52"}}