{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:U5SDRVQVGTTALLIII545VBZJUT","short_pith_number":"pith:U5SDRVQV","canonical_record":{"source":{"id":"1705.09208","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-05-25T14:56:50Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"07d1b9e3e3bc15f50cd46f1c57badcf720cc52d169618154fda6f330c3ee2768","abstract_canon_sha256":"f4485e98b91bf55af597d2456fb41e1edc50ae287fb7c8d5f97cb42c680366c0"},"schema_version":"1.0"},"canonical_sha256":"a76438d61534e605ad084779da8729a4df97cbe9287ffe4b355ee5f1a84c4f59","source":{"kind":"arxiv","id":"1705.09208","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.09208","created_at":"2026-05-18T00:43:40Z"},{"alias_kind":"arxiv_version","alias_value":"1705.09208v1","created_at":"2026-05-18T00:43:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.09208","created_at":"2026-05-18T00:43:40Z"},{"alias_kind":"pith_short_12","alias_value":"U5SDRVQVGTTA","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"U5SDRVQVGTTALLII","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"U5SDRVQV","created_at":"2026-05-18T12:31:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:U5SDRVQVGTTALLIII545VBZJUT","target":"record","payload":{"canonical_record":{"source":{"id":"1705.09208","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-05-25T14:56:50Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"07d1b9e3e3bc15f50cd46f1c57badcf720cc52d169618154fda6f330c3ee2768","abstract_canon_sha256":"f4485e98b91bf55af597d2456fb41e1edc50ae287fb7c8d5f97cb42c680366c0"},"schema_version":"1.0"},"canonical_sha256":"a76438d61534e605ad084779da8729a4df97cbe9287ffe4b355ee5f1a84c4f59","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:43:40.163492Z","signature_b64":"GK+5Upl4NcEVHvRmVRd2cNsQjQYVJ7cOG650IgPrjPk7DnJerIS9NEPa773xOyFjc/29pKGlWx6tatXXtizdDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a76438d61534e605ad084779da8729a4df97cbe9287ffe4b355ee5f1a84c4f59","last_reissued_at":"2026-05-18T00:43:40.162834Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:43:40.162834Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.09208","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":"2026-05-18T00:43:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"50bYk7SXyT6BVGe7j6+QB5FT4TwwqIEkHhUg1smqu9FHTp1rzi9t5p6XQ5uBtH8CflZoWMInV6WMffr9dcd5Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T11:53:37.433050Z"},"content_sha256":"74f9b4320dd354855e08841e04bf0caa674da4e2a91b4d7b72c6f958c47e05d5","schema_version":"1.0","event_id":"sha256:74f9b4320dd354855e08841e04bf0caa674da4e2a91b4d7b72c6f958c47e05d5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:U5SDRVQVGTTALLIII545VBZJUT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"What are we missing in our search for quantum gravity?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Lee Smolin","submitted_at":"2017-05-25T14:56:50Z","abstract_excerpt":"Some reflections are presented on the state of the search for a quantum theory of gravity. I discuss diverse regimes of possible quantum gravitational phenomenon, some well explored, some novel."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.09208","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":"2026-05-18T00:43:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mHO9f1LoZJR6oErf+Bvh8ZDkYiL/kBYfpaqhMqVYF5ETVN4+ByVSMN5VWA+aw6TmdnQJGchEsdD14gAlqkDzBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T11:53:37.433443Z"},"content_sha256":"53254360dfaa0363e289049c37645302cf96769f8976821662d0b7e0cfbf1863","schema_version":"1.0","event_id":"sha256:53254360dfaa0363e289049c37645302cf96769f8976821662d0b7e0cfbf1863"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U5SDRVQVGTTALLIII545VBZJUT/bundle.json","state_url":"https://pith.science/pith/U5SDRVQVGTTALLIII545VBZJUT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U5SDRVQVGTTALLIII545VBZJUT/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":"2026-05-26T11:53:37Z","links":{"resolver":"https://pith.science/pith/U5SDRVQVGTTALLIII545VBZJUT","bundle":"https://pith.science/pith/U5SDRVQVGTTALLIII545VBZJUT/bundle.json","state":"https://pith.science/pith/U5SDRVQVGTTALLIII545VBZJUT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U5SDRVQVGTTALLIII545VBZJUT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:U5SDRVQVGTTALLIII545VBZJUT","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":"f4485e98b91bf55af597d2456fb41e1edc50ae287fb7c8d5f97cb42c680366c0","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-05-25T14:56:50Z","title_canon_sha256":"07d1b9e3e3bc15f50cd46f1c57badcf720cc52d169618154fda6f330c3ee2768"},"schema_version":"1.0","source":{"id":"1705.09208","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.09208","created_at":"2026-05-18T00:43:40Z"},{"alias_kind":"arxiv_version","alias_value":"1705.09208v1","created_at":"2026-05-18T00:43:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.09208","created_at":"2026-05-18T00:43:40Z"},{"alias_kind":"pith_short_12","alias_value":"U5SDRVQVGTTA","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"U5SDRVQVGTTALLII","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"U5SDRVQV","created_at":"2026-05-18T12:31:46Z"}],"graph_snapshots":[{"event_id":"sha256:53254360dfaa0363e289049c37645302cf96769f8976821662d0b7e0cfbf1863","target":"graph","created_at":"2026-05-18T00:43:40Z","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":"Some reflections are presented on the state of the search for a quantum theory of gravity. I discuss diverse regimes of possible quantum gravitational phenomenon, some well explored, some novel.","authors_text":"Lee Smolin","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-05-25T14:56:50Z","title":"What are we missing in our search for quantum gravity?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.09208","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":"sha256:74f9b4320dd354855e08841e04bf0caa674da4e2a91b4d7b72c6f958c47e05d5","target":"record","created_at":"2026-05-18T00:43:40Z","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":"f4485e98b91bf55af597d2456fb41e1edc50ae287fb7c8d5f97cb42c680366c0","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-05-25T14:56:50Z","title_canon_sha256":"07d1b9e3e3bc15f50cd46f1c57badcf720cc52d169618154fda6f330c3ee2768"},"schema_version":"1.0","source":{"id":"1705.09208","kind":"arxiv","version":1}},"canonical_sha256":"a76438d61534e605ad084779da8729a4df97cbe9287ffe4b355ee5f1a84c4f59","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a76438d61534e605ad084779da8729a4df97cbe9287ffe4b355ee5f1a84c4f59","first_computed_at":"2026-05-18T00:43:40.162834Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:43:40.162834Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GK+5Upl4NcEVHvRmVRd2cNsQjQYVJ7cOG650IgPrjPk7DnJerIS9NEPa773xOyFjc/29pKGlWx6tatXXtizdDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:43:40.163492Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.09208","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:74f9b4320dd354855e08841e04bf0caa674da4e2a91b4d7b72c6f958c47e05d5","sha256:53254360dfaa0363e289049c37645302cf96769f8976821662d0b7e0cfbf1863"],"state_sha256":"1f1d61fe13357844190c2c5586ccf30f58976b7cbc3538b365722f0ee647d39c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ka5LceRC4Co8hlgadCsUmj4ckzP7vQOk24WNvbZq+a81EdBWQqUnGTA9RMMjx45MLzxCqdgxBDi9Oabza+DpAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T11:53:37.436487Z","bundle_sha256":"7c1ee38c61e8f076724e726a87b364079b6c8b478cf28c1a988b1a2f84f75f4d"}}