{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:PVOA3JK5UE3AVIDD5FZF2HZ6SO","short_pith_number":"pith:PVOA3JK5","canonical_record":{"source":{"id":"1407.3667","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-07-14T14:24:41Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"644d9e71272e7701814070a5d61f6768001d19afae610a658be807b14024b23e","abstract_canon_sha256":"bcc89b093c443b5e9ac4275f5fefb2359bfc76a05b9844682eb0b6944cea4f87"},"schema_version":"1.0"},"canonical_sha256":"7d5c0da55da1360aa063e9725d1f3e93afedb53cd67033551497540ae5f2e693","source":{"kind":"arxiv","id":"1407.3667","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.3667","created_at":"2026-05-18T02:45:22Z"},{"alias_kind":"arxiv_version","alias_value":"1407.3667v1","created_at":"2026-05-18T02:45:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.3667","created_at":"2026-05-18T02:45:22Z"},{"alias_kind":"pith_short_12","alias_value":"PVOA3JK5UE3A","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"PVOA3JK5UE3AVIDD","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"PVOA3JK5","created_at":"2026-05-18T12:28:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:PVOA3JK5UE3AVIDD5FZF2HZ6SO","target":"record","payload":{"canonical_record":{"source":{"id":"1407.3667","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-07-14T14:24:41Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"644d9e71272e7701814070a5d61f6768001d19afae610a658be807b14024b23e","abstract_canon_sha256":"bcc89b093c443b5e9ac4275f5fefb2359bfc76a05b9844682eb0b6944cea4f87"},"schema_version":"1.0"},"canonical_sha256":"7d5c0da55da1360aa063e9725d1f3e93afedb53cd67033551497540ae5f2e693","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:45:22.934405Z","signature_b64":"CJsBlnphRBq5hEQWeS69UhyURtgmZYfYU0iwJBWbgAj0Yivo0BWBUqveEf2PsUGEMk479gzuuqgfsM/K4oMPDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7d5c0da55da1360aa063e9725d1f3e93afedb53cd67033551497540ae5f2e693","last_reissued_at":"2026-05-18T02:45:22.934001Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:45:22.934001Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1407.3667","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":"2026-05-18T02:45:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UfY6rMRfcmq68VHvVCQp8BlPmrvTNxiqDsNJbeALLcrhi8x+W9fx+APMwBUs37OjzWSjDC6v3N4FE7IYf8C3Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T22:26:44.639423Z"},"content_sha256":"952ef7141245a46dd76310b6f98fcbbfe019796b8d80f280dd86481c505ecc98","schema_version":"1.0","event_id":"sha256:952ef7141245a46dd76310b6f98fcbbfe019796b8d80f280dd86481c505ecc98"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:PVOA3JK5UE3AVIDD5FZF2HZ6SO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observed Cosmological Reexpansion in Minimal QFT with Bose and Fermi Fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"gr-qc","authors_text":"Christine Gruber, Hagen Kleinert","submitted_at":"2014-07-14T14:24:41Z","abstract_excerpt":"In this work we aim at explaining the re-acceleration of the expansion of the universe, or equivalently, the hierarchy problem, with the help of a simple field-theoretical model. In particular, we want to account for the notorious discrepancy between the observed value of the cosmological expansion term and theoretical values of the vacuum energy of free quantum fields. Rendered infinite by short-wavelength fluctuations, evaluation up to a cutoff in momentum space at the Planck scale leads to contributions of the order of $10^{76} \\,\\mathrm{GeV}^4$. The observed value of the cosmic expansion b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.3667","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":"2026-05-18T02:45:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"leEYAPG00l1DB3E7oLPK41j5BJ7z6nRnO9DYOibxQb/TwVxbcathzNJLsisIn7To2IWnk6xJwmnrsaC6OJNbBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T22:26:44.640084Z"},"content_sha256":"28e21fd8bedcf1cd18fc74f5c86e20761a2020e0f8c466669b05ba7c18516181","schema_version":"1.0","event_id":"sha256:28e21fd8bedcf1cd18fc74f5c86e20761a2020e0f8c466669b05ba7c18516181"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PVOA3JK5UE3AVIDD5FZF2HZ6SO/bundle.json","state_url":"https://pith.science/pith/PVOA3JK5UE3AVIDD5FZF2HZ6SO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PVOA3JK5UE3AVIDD5FZF2HZ6SO/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":"2026-05-29T22:26:44Z","links":{"resolver":"https://pith.science/pith/PVOA3JK5UE3AVIDD5FZF2HZ6SO","bundle":"https://pith.science/pith/PVOA3JK5UE3AVIDD5FZF2HZ6SO/bundle.json","state":"https://pith.science/pith/PVOA3JK5UE3AVIDD5FZF2HZ6SO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PVOA3JK5UE3AVIDD5FZF2HZ6SO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:PVOA3JK5UE3AVIDD5FZF2HZ6SO","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":"bcc89b093c443b5e9ac4275f5fefb2359bfc76a05b9844682eb0b6944cea4f87","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-07-14T14:24:41Z","title_canon_sha256":"644d9e71272e7701814070a5d61f6768001d19afae610a658be807b14024b23e"},"schema_version":"1.0","source":{"id":"1407.3667","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.3667","created_at":"2026-05-18T02:45:22Z"},{"alias_kind":"arxiv_version","alias_value":"1407.3667v1","created_at":"2026-05-18T02:45:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.3667","created_at":"2026-05-18T02:45:22Z"},{"alias_kind":"pith_short_12","alias_value":"PVOA3JK5UE3A","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"PVOA3JK5UE3AVIDD","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"PVOA3JK5","created_at":"2026-05-18T12:28:43Z"}],"graph_snapshots":[{"event_id":"sha256:28e21fd8bedcf1cd18fc74f5c86e20761a2020e0f8c466669b05ba7c18516181","target":"graph","created_at":"2026-05-18T02:45:22Z","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":"In this work we aim at explaining the re-acceleration of the expansion of the universe, or equivalently, the hierarchy problem, with the help of a simple field-theoretical model. In particular, we want to account for the notorious discrepancy between the observed value of the cosmological expansion term and theoretical values of the vacuum energy of free quantum fields. Rendered infinite by short-wavelength fluctuations, evaluation up to a cutoff in momentum space at the Planck scale leads to contributions of the order of $10^{76} \\,\\mathrm{GeV}^4$. The observed value of the cosmic expansion b","authors_text":"Christine Gruber, Hagen Kleinert","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-07-14T14:24:41Z","title":"Observed Cosmological Reexpansion in Minimal QFT with Bose and Fermi Fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.3667","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":"sha256:952ef7141245a46dd76310b6f98fcbbfe019796b8d80f280dd86481c505ecc98","target":"record","created_at":"2026-05-18T02:45:22Z","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":"bcc89b093c443b5e9ac4275f5fefb2359bfc76a05b9844682eb0b6944cea4f87","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-07-14T14:24:41Z","title_canon_sha256":"644d9e71272e7701814070a5d61f6768001d19afae610a658be807b14024b23e"},"schema_version":"1.0","source":{"id":"1407.3667","kind":"arxiv","version":1}},"canonical_sha256":"7d5c0da55da1360aa063e9725d1f3e93afedb53cd67033551497540ae5f2e693","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7d5c0da55da1360aa063e9725d1f3e93afedb53cd67033551497540ae5f2e693","first_computed_at":"2026-05-18T02:45:22.934001Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:45:22.934001Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CJsBlnphRBq5hEQWeS69UhyURtgmZYfYU0iwJBWbgAj0Yivo0BWBUqveEf2PsUGEMk479gzuuqgfsM/K4oMPDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:45:22.934405Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.3667","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:952ef7141245a46dd76310b6f98fcbbfe019796b8d80f280dd86481c505ecc98","sha256:28e21fd8bedcf1cd18fc74f5c86e20761a2020e0f8c466669b05ba7c18516181"],"state_sha256":"4eff275eedfcbd32f9cff7ed315248d07097b6e007ddb70c4b6d0990a5cce0f4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tq8zFuq1SwIrOlLRb2sa14d4LnuKuOP65feg/tHb9HZSN35bBHU990fe3GxsOAPZ8om9Uy4IrXJmhWhVvCAjCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T22:26:44.643794Z","bundle_sha256":"85f51b8f25f0463f2102c1d441981ffdff4897fbf6440509fdfa807510837b25"}}