{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:2BW5SSPGZHJJOGDSO63KZQTKCD","short_pith_number":"pith:2BW5SSPG","canonical_record":{"source":{"id":"1407.1394","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-07-05T11:29:39Z","cross_cats_sorted":["hep-ph","hep-th"],"title_canon_sha256":"179a6568a4e7d6bf3a7a4d51bb28cce4148b73b9342aeabc53daf19ea38bba3b","abstract_canon_sha256":"de079aa7d7b9390848ea22a451d09f7a482abb1a28e62297a9cfe8a33639fe4f"},"schema_version":"1.0"},"canonical_sha256":"d06dd949e6c9d297187277b6acc26a10ddd0350dc4be5de9ffa87e36074d5b60","source":{"kind":"arxiv","id":"1407.1394","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.1394","created_at":"2026-05-18T01:51:25Z"},{"alias_kind":"arxiv_version","alias_value":"1407.1394v4","created_at":"2026-05-18T01:51:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.1394","created_at":"2026-05-18T01:51:25Z"},{"alias_kind":"pith_short_12","alias_value":"2BW5SSPGZHJJ","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"2BW5SSPGZHJJOGDS","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"2BW5SSPG","created_at":"2026-05-18T12:28:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:2BW5SSPGZHJJOGDSO63KZQTKCD","target":"record","payload":{"canonical_record":{"source":{"id":"1407.1394","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-07-05T11:29:39Z","cross_cats_sorted":["hep-ph","hep-th"],"title_canon_sha256":"179a6568a4e7d6bf3a7a4d51bb28cce4148b73b9342aeabc53daf19ea38bba3b","abstract_canon_sha256":"de079aa7d7b9390848ea22a451d09f7a482abb1a28e62297a9cfe8a33639fe4f"},"schema_version":"1.0"},"canonical_sha256":"d06dd949e6c9d297187277b6acc26a10ddd0350dc4be5de9ffa87e36074d5b60","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:25.236635Z","signature_b64":"rpkj5UfrDMhuI2+qKSa1xp0Hu1+8ukrtx+t7iO/vKk7h5etNpQzcTW6bTwM6er1W2NpgSaJGy+tj5CtOclGwDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d06dd949e6c9d297187277b6acc26a10ddd0350dc4be5de9ffa87e36074d5b60","last_reissued_at":"2026-05-18T01:51:25.236049Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:25.236049Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1407.1394","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:51:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9WbpyafupAdh+4uSWctIs4FbIiQa6DdJHSJSyKbSsX96OVO2lNMIbwwtMM6k30yxM5wXd8bO91X2dVgjMR02Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T19:48:49.229400Z"},"content_sha256":"7f3f6e3fde9551ef9d8ce57f55c0a92f2f1c993dcd4a89c22f74913cd8a94918","schema_version":"1.0","event_id":"sha256:7f3f6e3fde9551ef9d8ce57f55c0a92f2f1c993dcd4a89c22f74913cd8a94918"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:2BW5SSPGZHJJOGDSO63KZQTKCD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Solution to the Cosmological Constant Problem in a Regge Quantum Gravity Model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","hep-th"],"primary_cat":"gr-qc","authors_text":"Aleksandar Mikovic, Marko Vojinovic","submitted_at":"2014-07-05T11:29:39Z","abstract_excerpt":"We show that it is possible to solve the cosmological constant (CC) problem in a discrete quantum gravity theory based on Regge calculus by using the effective action approach and a special path-integral measure. The effective cosmological constant is given as a sum of 3 terms: the classical CC, the quantum gravity CC and the matter CC. Since the observations can only measure the sum of these 3 terms, we can choose the classical CC to be equal to the negative value of the matter CC. Hence the effective CC is given only by the quantum gravity CC, which is determined by the path-integral measure"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.1394","kind":"arxiv","version":4},"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":"2026-05-18T01:51:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iZEAUYvTtJ423ki3bUbXTpy5ybn0gywcn0o+VWuh0kTqRR1kDbNRw9XBBUNnQTm1LGw2ebhHkutZIrYoOJ1aAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T19:48:49.229787Z"},"content_sha256":"b80f5291e55519d4d659c6cbb1f5f0ceab1d412286f124e7be3b3ec38ed8cbf8","schema_version":"1.0","event_id":"sha256:b80f5291e55519d4d659c6cbb1f5f0ceab1d412286f124e7be3b3ec38ed8cbf8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2BW5SSPGZHJJOGDSO63KZQTKCD/bundle.json","state_url":"https://pith.science/pith/2BW5SSPGZHJJOGDSO63KZQTKCD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2BW5SSPGZHJJOGDSO63KZQTKCD/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":"2026-05-30T19:48:49Z","links":{"resolver":"https://pith.science/pith/2BW5SSPGZHJJOGDSO63KZQTKCD","bundle":"https://pith.science/pith/2BW5SSPGZHJJOGDSO63KZQTKCD/bundle.json","state":"https://pith.science/pith/2BW5SSPGZHJJOGDSO63KZQTKCD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2BW5SSPGZHJJOGDSO63KZQTKCD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:2BW5SSPGZHJJOGDSO63KZQTKCD","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":"de079aa7d7b9390848ea22a451d09f7a482abb1a28e62297a9cfe8a33639fe4f","cross_cats_sorted":["hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-07-05T11:29:39Z","title_canon_sha256":"179a6568a4e7d6bf3a7a4d51bb28cce4148b73b9342aeabc53daf19ea38bba3b"},"schema_version":"1.0","source":{"id":"1407.1394","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.1394","created_at":"2026-05-18T01:51:25Z"},{"alias_kind":"arxiv_version","alias_value":"1407.1394v4","created_at":"2026-05-18T01:51:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.1394","created_at":"2026-05-18T01:51:25Z"},{"alias_kind":"pith_short_12","alias_value":"2BW5SSPGZHJJ","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"2BW5SSPGZHJJOGDS","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"2BW5SSPG","created_at":"2026-05-18T12:28:09Z"}],"graph_snapshots":[{"event_id":"sha256:b80f5291e55519d4d659c6cbb1f5f0ceab1d412286f124e7be3b3ec38ed8cbf8","target":"graph","created_at":"2026-05-18T01:51:25Z","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 show that it is possible to solve the cosmological constant (CC) problem in a discrete quantum gravity theory based on Regge calculus by using the effective action approach and a special path-integral measure. The effective cosmological constant is given as a sum of 3 terms: the classical CC, the quantum gravity CC and the matter CC. Since the observations can only measure the sum of these 3 terms, we can choose the classical CC to be equal to the negative value of the matter CC. Hence the effective CC is given only by the quantum gravity CC, which is determined by the path-integral measure","authors_text":"Aleksandar Mikovic, Marko Vojinovic","cross_cats":["hep-ph","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-07-05T11:29:39Z","title":"Solution to the Cosmological Constant Problem in a Regge Quantum Gravity Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.1394","kind":"arxiv","version":4},"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":"sha256:7f3f6e3fde9551ef9d8ce57f55c0a92f2f1c993dcd4a89c22f74913cd8a94918","target":"record","created_at":"2026-05-18T01:51:25Z","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":"de079aa7d7b9390848ea22a451d09f7a482abb1a28e62297a9cfe8a33639fe4f","cross_cats_sorted":["hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-07-05T11:29:39Z","title_canon_sha256":"179a6568a4e7d6bf3a7a4d51bb28cce4148b73b9342aeabc53daf19ea38bba3b"},"schema_version":"1.0","source":{"id":"1407.1394","kind":"arxiv","version":4}},"canonical_sha256":"d06dd949e6c9d297187277b6acc26a10ddd0350dc4be5de9ffa87e36074d5b60","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d06dd949e6c9d297187277b6acc26a10ddd0350dc4be5de9ffa87e36074d5b60","first_computed_at":"2026-05-18T01:51:25.236049Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:25.236049Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rpkj5UfrDMhuI2+qKSa1xp0Hu1+8ukrtx+t7iO/vKk7h5etNpQzcTW6bTwM6er1W2NpgSaJGy+tj5CtOclGwDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:25.236635Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.1394","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7f3f6e3fde9551ef9d8ce57f55c0a92f2f1c993dcd4a89c22f74913cd8a94918","sha256:b80f5291e55519d4d659c6cbb1f5f0ceab1d412286f124e7be3b3ec38ed8cbf8"],"state_sha256":"b9fe00c5b23a0896206020ed7e95d02d92974645f34380540128bcf01f45beb8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LQDPWJa0NKwH8GkbNPaqHSmQj9qxdpe7YWEWzVEUcEd9cwILjbaeUWvqIX7UUE0fSf48tDfvuAhajGrD6cn0Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T19:48:49.231901Z","bundle_sha256":"aee527de0fd63566f2446d11638edfaca0e619380e1203eb3611010da862b9ef"}}