{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:RS4R7FZYBV4EMABES7BVJHCOYX","short_pith_number":"pith:RS4R7FZY","canonical_record":{"source":{"id":"1208.0031","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-07-31T20:53:37Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"e1cc630d63ef9ebb142898b68f46975c4bde0e48b31e17535bc517cb56246f00","abstract_canon_sha256":"02b6b963d5ffcbe24135016b5be8b0821511414a5211ceafdf439b3a44f53751"},"schema_version":"1.0"},"canonical_sha256":"8cb91f97380d7846002497c3549c4ec5c56c7b61a8904f1dc6909dd0c0785da7","source":{"kind":"arxiv","id":"1208.0031","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.0031","created_at":"2026-05-18T01:23:59Z"},{"alias_kind":"arxiv_version","alias_value":"1208.0031v2","created_at":"2026-05-18T01:23:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.0031","created_at":"2026-05-18T01:23:59Z"},{"alias_kind":"pith_short_12","alias_value":"RS4R7FZYBV4E","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"RS4R7FZYBV4EMABE","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"RS4R7FZY","created_at":"2026-05-18T12:27:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:RS4R7FZYBV4EMABES7BVJHCOYX","target":"record","payload":{"canonical_record":{"source":{"id":"1208.0031","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-07-31T20:53:37Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"e1cc630d63ef9ebb142898b68f46975c4bde0e48b31e17535bc517cb56246f00","abstract_canon_sha256":"02b6b963d5ffcbe24135016b5be8b0821511414a5211ceafdf439b3a44f53751"},"schema_version":"1.0"},"canonical_sha256":"8cb91f97380d7846002497c3549c4ec5c56c7b61a8904f1dc6909dd0c0785da7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:23:59.210418Z","signature_b64":"hpRJfqeWxjRh58buNqnYVdXX5XwadK/dieva8UKBiSOFMszu5g4/lCk2xfwfklrXzQKEKETWkpjD1S9Cw5XbBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8cb91f97380d7846002497c3549c4ec5c56c7b61a8904f1dc6909dd0c0785da7","last_reissued_at":"2026-05-18T01:23:59.209904Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:23:59.209904Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.0031","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":"2026-05-18T01:23:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vrhUXDq4FaaV/Xu+jCUioaDs95L8S2DUl+nxAgPgfgS2EhVqPQsWbXC48I14d64BChJ1SEemO1PszE9TFOgwAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T08:30:26.126539Z"},"content_sha256":"57493ce8a81eb5f103fe062ed3c04b8ca5973b7506c42e626d6b46fe164d4e29","schema_version":"1.0","event_id":"sha256:57493ce8a81eb5f103fe062ed3c04b8ca5973b7506c42e626d6b46fe164d4e29"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:RS4R7FZYBV4EMABES7BVJHCOYX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the physical mechanism underlying Asymptotic Safety","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Andreas Nink, Martin Reuter","submitted_at":"2012-07-31T20:53:37Z","abstract_excerpt":"We identify a simple physical mechanism which is at the heart of Asymptotic Safety in Quantum Einstein Gravity (QEG) according to all available effective average action-based investigations. Upon linearization the gravitational field equations give rise to an inverse propagator for metric fluctuations comprising two pieces: a covariant Laplacian and a curvature dependent potential term. By analogy with elementary magnetic systems they lead to, respectively, dia- and paramagnetic-type interactions of the metric fluctuations with the background gravitational field. We show that above 3 spacetime"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.0031","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":"2026-05-18T01:23:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8vWVX5lSNxccWIWY+MZdIu00OytGKs92WI4bhnmuCRse0Dvm4FWUytuon2EtiHDF7BvdyAPeKb9MuENk5CRnDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T08:30:26.127230Z"},"content_sha256":"41e29d4b6c4d770d7e1500c4bb72e860c390f19ea7456b5c74ebe860290b58f3","schema_version":"1.0","event_id":"sha256:41e29d4b6c4d770d7e1500c4bb72e860c390f19ea7456b5c74ebe860290b58f3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RS4R7FZYBV4EMABES7BVJHCOYX/bundle.json","state_url":"https://pith.science/pith/RS4R7FZYBV4EMABES7BVJHCOYX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RS4R7FZYBV4EMABES7BVJHCOYX/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":"2026-07-01T08:30:26Z","links":{"resolver":"https://pith.science/pith/RS4R7FZYBV4EMABES7BVJHCOYX","bundle":"https://pith.science/pith/RS4R7FZYBV4EMABES7BVJHCOYX/bundle.json","state":"https://pith.science/pith/RS4R7FZYBV4EMABES7BVJHCOYX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RS4R7FZYBV4EMABES7BVJHCOYX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:RS4R7FZYBV4EMABES7BVJHCOYX","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":"02b6b963d5ffcbe24135016b5be8b0821511414a5211ceafdf439b3a44f53751","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-07-31T20:53:37Z","title_canon_sha256":"e1cc630d63ef9ebb142898b68f46975c4bde0e48b31e17535bc517cb56246f00"},"schema_version":"1.0","source":{"id":"1208.0031","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.0031","created_at":"2026-05-18T01:23:59Z"},{"alias_kind":"arxiv_version","alias_value":"1208.0031v2","created_at":"2026-05-18T01:23:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.0031","created_at":"2026-05-18T01:23:59Z"},{"alias_kind":"pith_short_12","alias_value":"RS4R7FZYBV4E","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"RS4R7FZYBV4EMABE","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"RS4R7FZY","created_at":"2026-05-18T12:27:20Z"}],"graph_snapshots":[{"event_id":"sha256:41e29d4b6c4d770d7e1500c4bb72e860c390f19ea7456b5c74ebe860290b58f3","target":"graph","created_at":"2026-05-18T01:23:59Z","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 identify a simple physical mechanism which is at the heart of Asymptotic Safety in Quantum Einstein Gravity (QEG) according to all available effective average action-based investigations. Upon linearization the gravitational field equations give rise to an inverse propagator for metric fluctuations comprising two pieces: a covariant Laplacian and a curvature dependent potential term. By analogy with elementary magnetic systems they lead to, respectively, dia- and paramagnetic-type interactions of the metric fluctuations with the background gravitational field. We show that above 3 spacetime","authors_text":"Andreas Nink, Martin Reuter","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-07-31T20:53:37Z","title":"On the physical mechanism underlying Asymptotic Safety"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.0031","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":"sha256:57493ce8a81eb5f103fe062ed3c04b8ca5973b7506c42e626d6b46fe164d4e29","target":"record","created_at":"2026-05-18T01:23:59Z","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":"02b6b963d5ffcbe24135016b5be8b0821511414a5211ceafdf439b3a44f53751","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-07-31T20:53:37Z","title_canon_sha256":"e1cc630d63ef9ebb142898b68f46975c4bde0e48b31e17535bc517cb56246f00"},"schema_version":"1.0","source":{"id":"1208.0031","kind":"arxiv","version":2}},"canonical_sha256":"8cb91f97380d7846002497c3549c4ec5c56c7b61a8904f1dc6909dd0c0785da7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8cb91f97380d7846002497c3549c4ec5c56c7b61a8904f1dc6909dd0c0785da7","first_computed_at":"2026-05-18T01:23:59.209904Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:59.209904Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hpRJfqeWxjRh58buNqnYVdXX5XwadK/dieva8UKBiSOFMszu5g4/lCk2xfwfklrXzQKEKETWkpjD1S9Cw5XbBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:59.210418Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.0031","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:57493ce8a81eb5f103fe062ed3c04b8ca5973b7506c42e626d6b46fe164d4e29","sha256:41e29d4b6c4d770d7e1500c4bb72e860c390f19ea7456b5c74ebe860290b58f3"],"state_sha256":"2df39973217f1058b488af546757f0ef329714a9cd1f01cf063ccc798f1fa7e5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WBuqQq0l/dlbdkBQavckW+jEJmScvGzia7+vpybh8UHQpkvmIZMu8m9bn6Y/KNmrFM3Kk9Jj4j2H/YwAlz1KAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-01T08:30:26.130430Z","bundle_sha256":"5500e1835edfda7e8507d09f76c7070b07f1c2c21eb74b5f4b29119d7cb8ff8d"}}