{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1995:B3NWPGGYHWCPXAIPZ55NJXO4KY","short_pith_number":"pith:B3NWPGGY","canonical_record":{"source":{"id":"gr-qc/9503027","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"1995-03-16T16:13:28Z","cross_cats_sorted":["astro-ph","hep-th"],"title_canon_sha256":"2bd32038e962530448f88d605720e0f88b0b8ef627ac046485ba8c13ca24e191","abstract_canon_sha256":"4bb18ec42546af09b775324a35705da42873c4ad457248512bb9465b0b487d4a"},"schema_version":"1.0"},"canonical_sha256":"0edb6798d83d84fb810fcf7ad4dddc56151c3ce83ac73b3c1ffbee53d64547d7","source":{"kind":"arxiv","id":"gr-qc/9503027","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/9503027","created_at":"2026-05-18T01:06:44Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9503027v2","created_at":"2026-05-18T01:06:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9503027","created_at":"2026-05-18T01:06:44Z"},{"alias_kind":"pith_short_12","alias_value":"B3NWPGGYHWCP","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"B3NWPGGYHWCPXAIP","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"B3NWPGGY","created_at":"2026-05-18T12:25:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1995:B3NWPGGYHWCPXAIPZ55NJXO4KY","target":"record","payload":{"canonical_record":{"source":{"id":"gr-qc/9503027","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"1995-03-16T16:13:28Z","cross_cats_sorted":["astro-ph","hep-th"],"title_canon_sha256":"2bd32038e962530448f88d605720e0f88b0b8ef627ac046485ba8c13ca24e191","abstract_canon_sha256":"4bb18ec42546af09b775324a35705da42873c4ad457248512bb9465b0b487d4a"},"schema_version":"1.0"},"canonical_sha256":"0edb6798d83d84fb810fcf7ad4dddc56151c3ce83ac73b3c1ffbee53d64547d7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:06:44.890427Z","signature_b64":"7Vb+Am3ghicTpS9ruIMGLXf/mXHKA/4JYdeBC1uTMFXyxROIkCt/r/PVFt0dp4VKLEmPcDkEteQBVa3IspgyCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0edb6798d83d84fb810fcf7ad4dddc56151c3ce83ac73b3c1ffbee53d64547d7","last_reissued_at":"2026-05-18T01:06:44.890033Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:06:44.890033Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"gr-qc/9503027","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:06:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M5EhGMw/c8N6HiY4x/FcXl+NMsD5LJ3yk5D7xu08otauw/cy6I7Ytt19KRtG1dXhP7ZP/+crELKXVxiMuVlXDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T13:31:48.239665Z"},"content_sha256":"d718a002ee8b70690d0878a339ad79ea27ea90c9b5c15a2aa7faeebcc73d97f7","schema_version":"1.0","event_id":"sha256:d718a002ee8b70690d0878a339ad79ea27ea90c9b5c15a2aa7faeebcc73d97f7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1995:B3NWPGGYHWCPXAIPZ55NJXO4KY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Experimental Signatures of Quantum Gravity","license":"","headline":"","cross_cats":["astro-ph","hep-th"],"primary_cat":"gr-qc","authors_text":"Lee Smolin","submitted_at":"1995-03-16T16:13:28Z","abstract_excerpt":"I review several different calculations, coming from string theory, nonperturbative quantum gravity and analyses of black holes that lead to predictions of phenomena that would uniquely be signatures of quantum gravitational effects.\n These include: 1) deviations from a thermal spectra for evaporating black holes, 2) upper limits on the entropy and energy content of bounded regions, 3) suppression of ultra-high energy scattering amplitudes, consistent with a modified uncertainty principle, 4) physical volumes and areas have discrete spectra, 5), violations of $CPT$ and universal violations of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9503027","kind":"arxiv","version":2},"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":"2026-05-18T01:06:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F5y7M1Avm4o6ZhaPGDkoiiweLzoDZ4mM+0Y4AzsgKgdcYXud/u3ajhyzStQzUFtqClF5gYS3qxwDF+aebOa1AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T13:31:48.240009Z"},"content_sha256":"aeca77e813e4f8f73f3a87734837a8f4115f9053b0205781d461d93c2ea9d3fd","schema_version":"1.0","event_id":"sha256:aeca77e813e4f8f73f3a87734837a8f4115f9053b0205781d461d93c2ea9d3fd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B3NWPGGYHWCPXAIPZ55NJXO4KY/bundle.json","state_url":"https://pith.science/pith/B3NWPGGYHWCPXAIPZ55NJXO4KY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B3NWPGGYHWCPXAIPZ55NJXO4KY/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":"2026-06-04T13:31:48Z","links":{"resolver":"https://pith.science/pith/B3NWPGGYHWCPXAIPZ55NJXO4KY","bundle":"https://pith.science/pith/B3NWPGGYHWCPXAIPZ55NJXO4KY/bundle.json","state":"https://pith.science/pith/B3NWPGGYHWCPXAIPZ55NJXO4KY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B3NWPGGYHWCPXAIPZ55NJXO4KY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1995:B3NWPGGYHWCPXAIPZ55NJXO4KY","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":"4bb18ec42546af09b775324a35705da42873c4ad457248512bb9465b0b487d4a","cross_cats_sorted":["astro-ph","hep-th"],"license":"","primary_cat":"gr-qc","submitted_at":"1995-03-16T16:13:28Z","title_canon_sha256":"2bd32038e962530448f88d605720e0f88b0b8ef627ac046485ba8c13ca24e191"},"schema_version":"1.0","source":{"id":"gr-qc/9503027","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/9503027","created_at":"2026-05-18T01:06:44Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9503027v2","created_at":"2026-05-18T01:06:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9503027","created_at":"2026-05-18T01:06:44Z"},{"alias_kind":"pith_short_12","alias_value":"B3NWPGGYHWCP","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"B3NWPGGYHWCPXAIP","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"B3NWPGGY","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:aeca77e813e4f8f73f3a87734837a8f4115f9053b0205781d461d93c2ea9d3fd","target":"graph","created_at":"2026-05-18T01:06:44Z","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":"I review several different calculations, coming from string theory, nonperturbative quantum gravity and analyses of black holes that lead to predictions of phenomena that would uniquely be signatures of quantum gravitational effects.\n These include: 1) deviations from a thermal spectra for evaporating black holes, 2) upper limits on the entropy and energy content of bounded regions, 3) suppression of ultra-high energy scattering amplitudes, consistent with a modified uncertainty principle, 4) physical volumes and areas have discrete spectra, 5), violations of $CPT$ and universal violations of ","authors_text":"Lee Smolin","cross_cats":["astro-ph","hep-th"],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"1995-03-16T16:13:28Z","title":"Experimental Signatures of Quantum Gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9503027","kind":"arxiv","version":2},"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:d718a002ee8b70690d0878a339ad79ea27ea90c9b5c15a2aa7faeebcc73d97f7","target":"record","created_at":"2026-05-18T01:06:44Z","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":"4bb18ec42546af09b775324a35705da42873c4ad457248512bb9465b0b487d4a","cross_cats_sorted":["astro-ph","hep-th"],"license":"","primary_cat":"gr-qc","submitted_at":"1995-03-16T16:13:28Z","title_canon_sha256":"2bd32038e962530448f88d605720e0f88b0b8ef627ac046485ba8c13ca24e191"},"schema_version":"1.0","source":{"id":"gr-qc/9503027","kind":"arxiv","version":2}},"canonical_sha256":"0edb6798d83d84fb810fcf7ad4dddc56151c3ce83ac73b3c1ffbee53d64547d7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0edb6798d83d84fb810fcf7ad4dddc56151c3ce83ac73b3c1ffbee53d64547d7","first_computed_at":"2026-05-18T01:06:44.890033Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:06:44.890033Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7Vb+Am3ghicTpS9ruIMGLXf/mXHKA/4JYdeBC1uTMFXyxROIkCt/r/PVFt0dp4VKLEmPcDkEteQBVa3IspgyCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:06:44.890427Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/9503027","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d718a002ee8b70690d0878a339ad79ea27ea90c9b5c15a2aa7faeebcc73d97f7","sha256:aeca77e813e4f8f73f3a87734837a8f4115f9053b0205781d461d93c2ea9d3fd"],"state_sha256":"0b3688d39aa6ead9be0dee8eee9978ebb110e74aa7294ecf2c375799223daac9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IkBQOzSpWpphIsxM+x6P6gVCrxr3CzEK+yQLYcqW6M8nWmKWF21vzuqc/fQ9b3jXOc608NpKdTZ41EBY+6+MAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T13:31:48.242364Z","bundle_sha256":"692546708e050d5bdd32203f8c038d2718a12cde203d36b1bb558aac3b338c29"}}