{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1993:QF2GKA66F2P2LN4C35Y554WSPF","short_pith_number":"pith:QF2GKA66","canonical_record":{"source":{"id":"hep-ph/9308265","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1993-08-12T15:41:20Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"a150d937dfdf5d75015db0a8675c81d54039cabdf6ecdf1436a60f2c7379cf1e","abstract_canon_sha256":"a6c72ea791c9aff0247ccbff3e1b6cb7c61fbdc0efc01be44796763a8ecc2dee"},"schema_version":"1.0"},"canonical_sha256":"81746503de2e9fa5b782df71def2d2794c8df56ae3d5217e6b52c2d7876e872a","source":{"kind":"arxiv","id":"hep-ph/9308265","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9308265","created_at":"2026-07-04T15:55:50Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9308265v3","created_at":"2026-07-04T15:55:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9308265","created_at":"2026-07-04T15:55:50Z"},{"alias_kind":"pith_short_12","alias_value":"QF2GKA66F2P2","created_at":"2026-07-04T15:55:50Z"},{"alias_kind":"pith_short_16","alias_value":"QF2GKA66F2P2LN4C","created_at":"2026-07-04T15:55:50Z"},{"alias_kind":"pith_short_8","alias_value":"QF2GKA66","created_at":"2026-07-04T15:55:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1993:QF2GKA66F2P2LN4C35Y554WSPF","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/9308265","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1993-08-12T15:41:20Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"a150d937dfdf5d75015db0a8675c81d54039cabdf6ecdf1436a60f2c7379cf1e","abstract_canon_sha256":"a6c72ea791c9aff0247ccbff3e1b6cb7c61fbdc0efc01be44796763a8ecc2dee"},"schema_version":"1.0"},"canonical_sha256":"81746503de2e9fa5b782df71def2d2794c8df56ae3d5217e6b52c2d7876e872a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:55:50.216158Z","signature_b64":"Y/UriK9JG39Dh5uQQmp/UZenNKIRVycqqjMDsVJrvDP5OID/vafUr2rOX8RKYKJn9BmHDyfnaRbFLa1ArhUlCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81746503de2e9fa5b782df71def2d2794c8df56ae3d5217e6b52c2d7876e872a","last_reissued_at":"2026-07-04T15:55:50.215794Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:55:50.215794Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/9308265","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T15:55:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r5W97QLewB5cftc3IDUKHIC5D4l8etPali1SynP8F1gdd6Fpdu0fLgjNSsRtfNOh9z6F8Aexul8wSJ1X+cxdAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T20:09:45.875106Z"},"content_sha256":"8a0898a08bb035ac1aa529e0eaf93f25f993dddf8eeb5eaa4b7c07c98edf5904","schema_version":"1.0","event_id":"sha256:8a0898a08bb035ac1aa529e0eaf93f25f993dddf8eeb5eaa4b7c07c98edf5904"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1993:QF2GKA66F2P2LN4C35Y554WSPF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Exact Renormalisation Group and Approximate Solutions","license":"","headline":"","cross_cats":["hep-th"],"primary_cat":"hep-ph","authors_text":"Tim R. Morris","submitted_at":"1993-08-12T15:41:20Z","abstract_excerpt":"We investigate the structure of Polchinski's formulation of the flow equations for the continuum Wilson effective action.\n  Reinterpretations in terms of I.R. cutoff greens functions are given. A promising non-perturbative approximation scheme is derived by carefully taking the sharp cutoff limit and expanding in `irrelevancy' of operators.\n  We illustrate with two simple models of four dimensional $\\lambda \\varphi^4$ theory: the cactus approximation, and a model incorporating the first irrelevant correction to the renormalized coupling. The qualitative and quantitative behaviour give confiden"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9308265","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ph/9308265/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:55:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kQG2ZLlkbrPwBfhWjaDd1freTmBoUAbKfnLOx9wQQEJXf7akpEq+3fCd3H2+66QxkUHigWgk67lMtEoZPaGqDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T20:09:45.876052Z"},"content_sha256":"8db360dbf84e1835c9eca483d35e4e2c22d8825253bf3b034a9a3925db29aa3c","schema_version":"1.0","event_id":"sha256:8db360dbf84e1835c9eca483d35e4e2c22d8825253bf3b034a9a3925db29aa3c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QF2GKA66F2P2LN4C35Y554WSPF/bundle.json","state_url":"https://pith.science/pith/QF2GKA66F2P2LN4C35Y554WSPF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QF2GKA66F2P2LN4C35Y554WSPF/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":"2026-08-03T20:09:45Z","links":{"resolver":"https://pith.science/pith/QF2GKA66F2P2LN4C35Y554WSPF","bundle":"https://pith.science/pith/QF2GKA66F2P2LN4C35Y554WSPF/bundle.json","state":"https://pith.science/pith/QF2GKA66F2P2LN4C35Y554WSPF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QF2GKA66F2P2LN4C35Y554WSPF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1993:QF2GKA66F2P2LN4C35Y554WSPF","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":"a6c72ea791c9aff0247ccbff3e1b6cb7c61fbdc0efc01be44796763a8ecc2dee","cross_cats_sorted":["hep-th"],"license":"","primary_cat":"hep-ph","submitted_at":"1993-08-12T15:41:20Z","title_canon_sha256":"a150d937dfdf5d75015db0a8675c81d54039cabdf6ecdf1436a60f2c7379cf1e"},"schema_version":"1.0","source":{"id":"hep-ph/9308265","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9308265","created_at":"2026-07-04T15:55:50Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9308265v3","created_at":"2026-07-04T15:55:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9308265","created_at":"2026-07-04T15:55:50Z"},{"alias_kind":"pith_short_12","alias_value":"QF2GKA66F2P2","created_at":"2026-07-04T15:55:50Z"},{"alias_kind":"pith_short_16","alias_value":"QF2GKA66F2P2LN4C","created_at":"2026-07-04T15:55:50Z"},{"alias_kind":"pith_short_8","alias_value":"QF2GKA66","created_at":"2026-07-04T15:55:50Z"}],"graph_snapshots":[{"event_id":"sha256:8db360dbf84e1835c9eca483d35e4e2c22d8825253bf3b034a9a3925db29aa3c","target":"graph","created_at":"2026-07-04T15:55:50Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/hep-ph/9308265/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the structure of Polchinski's formulation of the flow equations for the continuum Wilson effective action.\n  Reinterpretations in terms of I.R. cutoff greens functions are given. A promising non-perturbative approximation scheme is derived by carefully taking the sharp cutoff limit and expanding in `irrelevancy' of operators.\n  We illustrate with two simple models of four dimensional $\\lambda \\varphi^4$ theory: the cactus approximation, and a model incorporating the first irrelevant correction to the renormalized coupling. The qualitative and quantitative behaviour give confiden","authors_text":"Tim R. Morris","cross_cats":["hep-th"],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1993-08-12T15:41:20Z","title":"The Exact Renormalisation Group and Approximate Solutions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9308265","kind":"arxiv","version":3},"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":"sha256:8a0898a08bb035ac1aa529e0eaf93f25f993dddf8eeb5eaa4b7c07c98edf5904","target":"record","created_at":"2026-07-04T15:55:50Z","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":"a6c72ea791c9aff0247ccbff3e1b6cb7c61fbdc0efc01be44796763a8ecc2dee","cross_cats_sorted":["hep-th"],"license":"","primary_cat":"hep-ph","submitted_at":"1993-08-12T15:41:20Z","title_canon_sha256":"a150d937dfdf5d75015db0a8675c81d54039cabdf6ecdf1436a60f2c7379cf1e"},"schema_version":"1.0","source":{"id":"hep-ph/9308265","kind":"arxiv","version":3}},"canonical_sha256":"81746503de2e9fa5b782df71def2d2794c8df56ae3d5217e6b52c2d7876e872a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"81746503de2e9fa5b782df71def2d2794c8df56ae3d5217e6b52c2d7876e872a","first_computed_at":"2026-07-04T15:55:50.215794Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:55:50.215794Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y/UriK9JG39Dh5uQQmp/UZenNKIRVycqqjMDsVJrvDP5OID/vafUr2rOX8RKYKJn9BmHDyfnaRbFLa1ArhUlCA==","signature_status":"signed_v1","signed_at":"2026-07-04T15:55:50.216158Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9308265","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8a0898a08bb035ac1aa529e0eaf93f25f993dddf8eeb5eaa4b7c07c98edf5904","sha256:8db360dbf84e1835c9eca483d35e4e2c22d8825253bf3b034a9a3925db29aa3c"],"state_sha256":"0cf81f766ef12bc97a37dc3026797636dcafe90573da725ca03600b55fd3a709"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KZTTnlVGqr2IF5Jwi8DMmC4H27M+FpULOcA+6gB1O2uikYg7JyWD8XySkWAU49j2PCEhFuncYaqR2xFradZcCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T20:09:45.882089Z","bundle_sha256":"eca2e90d07e5aff36fd9fdae381d519775261ec4b9e2c174fa5d4d89adff9058"}}