{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:ZKMJF7GAIHYE2F5SQYZVMNWWDN","short_pith_number":"pith:ZKMJF7GA","canonical_record":{"source":{"id":"1503.06761","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-03-23T18:45:23Z","cross_cats_sorted":["astro-ph.CO","hep-ph","hep-th"],"title_canon_sha256":"79200baf2fb0ef73966a784b252437189e2ac0c5d90e26cd0528cd808896d778","abstract_canon_sha256":"1387a3a835c9245f016b49eb25102da647861828d27ce766afb62b988fb4469b"},"schema_version":"1.0"},"canonical_sha256":"ca9892fcc041f04d17b286335636d61b468146e8c95e7c6f632ef4ce173ecf8c","source":{"kind":"arxiv","id":"1503.06761","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.06761","created_at":"2026-05-18T01:36:01Z"},{"alias_kind":"arxiv_version","alias_value":"1503.06761v4","created_at":"2026-05-18T01:36:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.06761","created_at":"2026-05-18T01:36:01Z"},{"alias_kind":"pith_short_12","alias_value":"ZKMJF7GAIHYE","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"ZKMJF7GAIHYE2F5S","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"ZKMJF7GA","created_at":"2026-05-18T12:29:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:ZKMJF7GAIHYE2F5SQYZVMNWWDN","target":"record","payload":{"canonical_record":{"source":{"id":"1503.06761","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-03-23T18:45:23Z","cross_cats_sorted":["astro-ph.CO","hep-ph","hep-th"],"title_canon_sha256":"79200baf2fb0ef73966a784b252437189e2ac0c5d90e26cd0528cd808896d778","abstract_canon_sha256":"1387a3a835c9245f016b49eb25102da647861828d27ce766afb62b988fb4469b"},"schema_version":"1.0"},"canonical_sha256":"ca9892fcc041f04d17b286335636d61b468146e8c95e7c6f632ef4ce173ecf8c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:36:01.352790Z","signature_b64":"l8VOIhbdz833m4B3pn3GHuns40a0XwEqfT+9gxM6alGTsq8BjLHPr0E5om1ULLKC9augSA4wAyaVPPW6lxN2Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ca9892fcc041f04d17b286335636d61b468146e8c95e7c6f632ef4ce173ecf8c","last_reissued_at":"2026-05-18T01:36:01.352223Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:36:01.352223Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.06761","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":"2026-05-18T01:36:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JqvoJLqhy7MspOrvqkriwPXhw6z5S1fCAGqW13lqn0e6gEsutJIYjlmMd4Izy53C0Rwh/+SQW6/pNqf9r1niDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:53:19.300303Z"},"content_sha256":"f90fbd93a828314b44adc1d3617f7e0e1cfc4b7bafb7c1ad098898e111391dc8","schema_version":"1.0","event_id":"sha256:f90fbd93a828314b44adc1d3617f7e0e1cfc4b7bafb7c1ad098898e111391dc8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:ZKMJF7GAIHYE2F5SQYZVMNWWDN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detecting quantum gravitational effects of loop quantum cosmology in the early universe?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ph","hep-th"],"primary_cat":"gr-qc","authors_text":"Anzhong Wang, Gerald Cleaver, Klaus Kirsten, Qiang Wu, Qin Sheng, Tao Zhu","submitted_at":"2015-03-23T18:45:23Z","abstract_excerpt":"We derive the primordial power spectra and spectral indexes of the density fluctuations and gravitational waves in the framework of loop quantum cosmology (LQC) with holonomy and inverse-volume corrections, by using the uniform asymptotic approximation method to its third-order, at which the upper error bounds are $\\lesssim 0.15\\%$, and accurate enough for the current and forthcoming cosmological observations. Then, using the Planck, BAO and SN data we obtain the tightest constraints on quantum gravitational effects from LQC corrections, and find that such effects could be well within the dete"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.06761","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":"2026-05-18T01:36:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lSbwENWvw02lY7ltkqlCC6VwhZoBp+a1EtA3UptG8M8n8/KNgKAoBDaSVqOI4NuO2GOh5bhBL8jYYefm2PieDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:53:19.301031Z"},"content_sha256":"94dd35cd9407c8b72718c82bbbb1b5359c9d13f4ee5e0cdba4c3e55fdf30dfeb","schema_version":"1.0","event_id":"sha256:94dd35cd9407c8b72718c82bbbb1b5359c9d13f4ee5e0cdba4c3e55fdf30dfeb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZKMJF7GAIHYE2F5SQYZVMNWWDN/bundle.json","state_url":"https://pith.science/pith/ZKMJF7GAIHYE2F5SQYZVMNWWDN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZKMJF7GAIHYE2F5SQYZVMNWWDN/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":"2026-05-25T22:53:19Z","links":{"resolver":"https://pith.science/pith/ZKMJF7GAIHYE2F5SQYZVMNWWDN","bundle":"https://pith.science/pith/ZKMJF7GAIHYE2F5SQYZVMNWWDN/bundle.json","state":"https://pith.science/pith/ZKMJF7GAIHYE2F5SQYZVMNWWDN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZKMJF7GAIHYE2F5SQYZVMNWWDN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:ZKMJF7GAIHYE2F5SQYZVMNWWDN","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":"1387a3a835c9245f016b49eb25102da647861828d27ce766afb62b988fb4469b","cross_cats_sorted":["astro-ph.CO","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-03-23T18:45:23Z","title_canon_sha256":"79200baf2fb0ef73966a784b252437189e2ac0c5d90e26cd0528cd808896d778"},"schema_version":"1.0","source":{"id":"1503.06761","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.06761","created_at":"2026-05-18T01:36:01Z"},{"alias_kind":"arxiv_version","alias_value":"1503.06761v4","created_at":"2026-05-18T01:36:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.06761","created_at":"2026-05-18T01:36:01Z"},{"alias_kind":"pith_short_12","alias_value":"ZKMJF7GAIHYE","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"ZKMJF7GAIHYE2F5S","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"ZKMJF7GA","created_at":"2026-05-18T12:29:52Z"}],"graph_snapshots":[{"event_id":"sha256:94dd35cd9407c8b72718c82bbbb1b5359c9d13f4ee5e0cdba4c3e55fdf30dfeb","target":"graph","created_at":"2026-05-18T01:36:01Z","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 derive the primordial power spectra and spectral indexes of the density fluctuations and gravitational waves in the framework of loop quantum cosmology (LQC) with holonomy and inverse-volume corrections, by using the uniform asymptotic approximation method to its third-order, at which the upper error bounds are $\\lesssim 0.15\\%$, and accurate enough for the current and forthcoming cosmological observations. Then, using the Planck, BAO and SN data we obtain the tightest constraints on quantum gravitational effects from LQC corrections, and find that such effects could be well within the dete","authors_text":"Anzhong Wang, Gerald Cleaver, Klaus Kirsten, Qiang Wu, Qin Sheng, Tao Zhu","cross_cats":["astro-ph.CO","hep-ph","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-03-23T18:45:23Z","title":"Detecting quantum gravitational effects of loop quantum cosmology in the early universe?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.06761","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:f90fbd93a828314b44adc1d3617f7e0e1cfc4b7bafb7c1ad098898e111391dc8","target":"record","created_at":"2026-05-18T01:36:01Z","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":"1387a3a835c9245f016b49eb25102da647861828d27ce766afb62b988fb4469b","cross_cats_sorted":["astro-ph.CO","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-03-23T18:45:23Z","title_canon_sha256":"79200baf2fb0ef73966a784b252437189e2ac0c5d90e26cd0528cd808896d778"},"schema_version":"1.0","source":{"id":"1503.06761","kind":"arxiv","version":4}},"canonical_sha256":"ca9892fcc041f04d17b286335636d61b468146e8c95e7c6f632ef4ce173ecf8c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ca9892fcc041f04d17b286335636d61b468146e8c95e7c6f632ef4ce173ecf8c","first_computed_at":"2026-05-18T01:36:01.352223Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:36:01.352223Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l8VOIhbdz833m4B3pn3GHuns40a0XwEqfT+9gxM6alGTsq8BjLHPr0E5om1ULLKC9augSA4wAyaVPPW6lxN2Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:36:01.352790Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.06761","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f90fbd93a828314b44adc1d3617f7e0e1cfc4b7bafb7c1ad098898e111391dc8","sha256:94dd35cd9407c8b72718c82bbbb1b5359c9d13f4ee5e0cdba4c3e55fdf30dfeb"],"state_sha256":"82a71ae8d5abb5fef97d9b07798b0dc683685f0aba118a86f890d3d09b7e514c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j+unEx2ZJLfbaEjfv6FGTJUCw6Cw9IeVCFkejdjQr3xby7TDoENsrKjlxWDzenHLlGdSwZbrWBUdLuPNRFK3Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T22:53:19.304860Z","bundle_sha256":"13036cac220413e24a6e4e8815d6610ee644f62a624c0f57175df961fb2957e2"}}