{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:QQOYXJIUIH76JXLPX6DC2ZSAVC","short_pith_number":"pith:QQOYXJIU","canonical_record":{"source":{"id":"1007.4044","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-07-23T05:33:36Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"f192dbf43a6bfb1ec9f83d871d83dbdc98ec232fcb39d00f69a2970a3708d541","abstract_canon_sha256":"53e919f285bc5d3eaff1e58426f053499e44926f76e695c7c141fce807576298"},"schema_version":"1.0"},"canonical_sha256":"841d8ba51441ffe4dd6fbf862d6640a89324c2787ab2e9e474612a560b12c189","source":{"kind":"arxiv","id":"1007.4044","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.4044","created_at":"2026-05-18T04:19:32Z"},{"alias_kind":"arxiv_version","alias_value":"1007.4044v3","created_at":"2026-05-18T04:19:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.4044","created_at":"2026-05-18T04:19:32Z"},{"alias_kind":"pith_short_12","alias_value":"QQOYXJIUIH76","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"QQOYXJIUIH76JXLP","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"QQOYXJIU","created_at":"2026-05-18T12:26:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:QQOYXJIUIH76JXLPX6DC2ZSAVC","target":"record","payload":{"canonical_record":{"source":{"id":"1007.4044","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-07-23T05:33:36Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"f192dbf43a6bfb1ec9f83d871d83dbdc98ec232fcb39d00f69a2970a3708d541","abstract_canon_sha256":"53e919f285bc5d3eaff1e58426f053499e44926f76e695c7c141fce807576298"},"schema_version":"1.0"},"canonical_sha256":"841d8ba51441ffe4dd6fbf862d6640a89324c2787ab2e9e474612a560b12c189","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:19:32.296269Z","signature_b64":"NitXy7r9dSSisO5Bc9xw4s/engMYPYfF20f5hQsKtt1RPW9j+LjDsQB1GBA0T9wpzud/jEFozlKpMjIZ+iy/Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"841d8ba51441ffe4dd6fbf862d6640a89324c2787ab2e9e474612a560b12c189","last_reissued_at":"2026-05-18T04:19:32.295683Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:19:32.295683Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1007.4044","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":"2026-05-18T04:19:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zuaD+nw7NOvVTxSflVDj1xKawkejX9oVkt1djXBWOUw99pbqQuWH9bkUSVRJxG2lyGj9K88XgDjJ+8By3fniDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T06:36:16.465387Z"},"content_sha256":"24e1976c3ad002fea34b1875889a37c84f5184fc490bd465c1eabd992333de7f","schema_version":"1.0","event_id":"sha256:24e1976c3ad002fea34b1875889a37c84f5184fc490bd465c1eabd992333de7f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:QQOYXJIUIH76JXLPX6DC2ZSAVC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hawking radiation from the cosmological horizon in a FRW universe","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"Ya-Peng Hu","submitted_at":"2010-07-23T05:33:36Z","abstract_excerpt":"It is well known that there is a Hawking radiation from the cosmological horizon of the de-sitter spacetime, and the de-sitter spacetime can be a special case of a FRW universe. Therefore, there may be a corresponding Hawking radiation in a FRW universe. Indeed, there have been several clues showing that there is a Hawking radiation from the apparent horizon of a FRW universe. In our paper, however, we find that the Hawking radiation may come from the cosmological horizon. Moreover, we also find that the Hawking radiation from the apparent horizon of a FRW universe in some previous works can b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.4044","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":""},"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":"2026-05-18T04:19:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yVz6FB4tog7I73qurPhY8+uFahCi9IQWkv+sfxPGhiahj9WibZp279wOYCOo6RCsYkcsY1ytoB3y6E6vdKElCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T06:36:16.466332Z"},"content_sha256":"add18d4d66d7fc09355aeec196ae2ea278d252be2c3a6a7f0d0587fb70a88ada","schema_version":"1.0","event_id":"sha256:add18d4d66d7fc09355aeec196ae2ea278d252be2c3a6a7f0d0587fb70a88ada"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QQOYXJIUIH76JXLPX6DC2ZSAVC/bundle.json","state_url":"https://pith.science/pith/QQOYXJIUIH76JXLPX6DC2ZSAVC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QQOYXJIUIH76JXLPX6DC2ZSAVC/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":"2026-08-18T06:36:16Z","links":{"resolver":"https://pith.science/pith/QQOYXJIUIH76JXLPX6DC2ZSAVC","bundle":"https://pith.science/pith/QQOYXJIUIH76JXLPX6DC2ZSAVC/bundle.json","state":"https://pith.science/pith/QQOYXJIUIH76JXLPX6DC2ZSAVC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QQOYXJIUIH76JXLPX6DC2ZSAVC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:QQOYXJIUIH76JXLPX6DC2ZSAVC","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":"53e919f285bc5d3eaff1e58426f053499e44926f76e695c7c141fce807576298","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-07-23T05:33:36Z","title_canon_sha256":"f192dbf43a6bfb1ec9f83d871d83dbdc98ec232fcb39d00f69a2970a3708d541"},"schema_version":"1.0","source":{"id":"1007.4044","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.4044","created_at":"2026-05-18T04:19:32Z"},{"alias_kind":"arxiv_version","alias_value":"1007.4044v3","created_at":"2026-05-18T04:19:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.4044","created_at":"2026-05-18T04:19:32Z"},{"alias_kind":"pith_short_12","alias_value":"QQOYXJIUIH76","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"QQOYXJIUIH76JXLP","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"QQOYXJIU","created_at":"2026-05-18T12:26:12Z"}],"graph_snapshots":[{"event_id":"sha256:add18d4d66d7fc09355aeec196ae2ea278d252be2c3a6a7f0d0587fb70a88ada","target":"graph","created_at":"2026-05-18T04:19:32Z","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":"It is well known that there is a Hawking radiation from the cosmological horizon of the de-sitter spacetime, and the de-sitter spacetime can be a special case of a FRW universe. Therefore, there may be a corresponding Hawking radiation in a FRW universe. Indeed, there have been several clues showing that there is a Hawking radiation from the apparent horizon of a FRW universe. In our paper, however, we find that the Hawking radiation may come from the cosmological horizon. Moreover, we also find that the Hawking radiation from the apparent horizon of a FRW universe in some previous works can b","authors_text":"Ya-Peng Hu","cross_cats":["astro-ph.CO","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-07-23T05:33:36Z","title":"Hawking radiation from the cosmological horizon in a FRW universe"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.4044","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":"sha256:24e1976c3ad002fea34b1875889a37c84f5184fc490bd465c1eabd992333de7f","target":"record","created_at":"2026-05-18T04:19:32Z","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":"53e919f285bc5d3eaff1e58426f053499e44926f76e695c7c141fce807576298","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-07-23T05:33:36Z","title_canon_sha256":"f192dbf43a6bfb1ec9f83d871d83dbdc98ec232fcb39d00f69a2970a3708d541"},"schema_version":"1.0","source":{"id":"1007.4044","kind":"arxiv","version":3}},"canonical_sha256":"841d8ba51441ffe4dd6fbf862d6640a89324c2787ab2e9e474612a560b12c189","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"841d8ba51441ffe4dd6fbf862d6640a89324c2787ab2e9e474612a560b12c189","first_computed_at":"2026-05-18T04:19:32.295683Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:19:32.295683Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NitXy7r9dSSisO5Bc9xw4s/engMYPYfF20f5hQsKtt1RPW9j+LjDsQB1GBA0T9wpzud/jEFozlKpMjIZ+iy/Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:19:32.296269Z","signed_message":"canonical_sha256_bytes"},"source_id":"1007.4044","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:24e1976c3ad002fea34b1875889a37c84f5184fc490bd465c1eabd992333de7f","sha256:add18d4d66d7fc09355aeec196ae2ea278d252be2c3a6a7f0d0587fb70a88ada"],"state_sha256":"9747965b817569a596396292b84521d01b481a0d799ae179398ae3c0564eed8a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dhh8Xa8KKR6unge054QrGjuCQAu4VfsW1/Fa0axeTqkAs1uIk+CkuWE68Si/uooDk80Zmp30rm5kE5rKFL9KCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T06:36:16.479089Z","bundle_sha256":"3d2a12a9b561f200823e8d00261579c2efd1c5746619d6090d57b71ff301fd50"}}