{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:BX5T7EPRSQUZBZADFSXJQIFGOY","short_pith_number":"pith:BX5T7EPR","canonical_record":{"source":{"id":"1003.5245","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-03-26T23:26:57Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"cc02f9d6207687bb80c4405dbbb662a95ebae555e48b83525cbb9a762b1feca3","abstract_canon_sha256":"5a74d806ec498f3545b632c260f8972a91614de1a960a19b77acc106dfbd236a"},"schema_version":"1.0"},"canonical_sha256":"0dfb3f91f1942990e4032cae9820a6761e9cbff3a8a9d6fc1da42b1005e0971d","source":{"kind":"arxiv","id":"1003.5245","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1003.5245","created_at":"2026-05-18T02:33:40Z"},{"alias_kind":"arxiv_version","alias_value":"1003.5245v2","created_at":"2026-05-18T02:33:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.5245","created_at":"2026-05-18T02:33:40Z"},{"alias_kind":"pith_short_12","alias_value":"BX5T7EPRSQUZ","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"BX5T7EPRSQUZBZAD","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"BX5T7EPR","created_at":"2026-05-18T12:26:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:BX5T7EPRSQUZBZADFSXJQIFGOY","target":"record","payload":{"canonical_record":{"source":{"id":"1003.5245","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-03-26T23:26:57Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"cc02f9d6207687bb80c4405dbbb662a95ebae555e48b83525cbb9a762b1feca3","abstract_canon_sha256":"5a74d806ec498f3545b632c260f8972a91614de1a960a19b77acc106dfbd236a"},"schema_version":"1.0"},"canonical_sha256":"0dfb3f91f1942990e4032cae9820a6761e9cbff3a8a9d6fc1da42b1005e0971d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:33:40.378831Z","signature_b64":"rkceyvtBrJCnEXLZ/QR7XLqtlWCyCd37gnOhpUhLHGYH940hnuYRkGxXRuYnlRWbH60PnPcXXsBkueo42onMBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0dfb3f91f1942990e4032cae9820a6761e9cbff3a8a9d6fc1da42b1005e0971d","last_reissued_at":"2026-05-18T02:33:40.378209Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:33:40.378209Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1003.5245","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":"2026-05-18T02:33:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"71vFFprRhEBtdOPqDvsbb6nuL/qW5Smnoi/dSTV5oEx5dZzThKI3bLZgV1WS4MywdWMzTeIptvYP7VUF54YdCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T06:33:41.858810Z"},"content_sha256":"e47b973f47e3e83bb1a5548c2a5a76e7487fda044789a05dc2fa7227c8a698fa","schema_version":"1.0","event_id":"sha256:e47b973f47e3e83bb1a5548c2a5a76e7487fda044789a05dc2fa7227c8a698fa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:BX5T7EPRSQUZBZADFSXJQIFGOY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Searching for spacetime granularity: analyzing a concrete experimental setup","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"gr-qc","authors_text":"Daniel Sudarsky, Yuri Bonder","submitted_at":"2010-03-26T23:26:57Z","abstract_excerpt":"In this work we show that the spin pendulum techniques developed by the E\\:{o}t-Wash group could be used to put very stringent bounds on the free parameters of a Lorentz invariant phenomenological model of quantum gravity. The model is briefly described as well as the experimental setup that we have in mind."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.5245","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":"2026-05-18T02:33:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5LekZC1etu3P05iZmlW7/4ZSJGE5yDLOS/BAs4On9r8c98KICxvvHuy1Wroht+ZT59JzYYmDTQLDDzkoQYKmCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T06:33:41.859153Z"},"content_sha256":"f4a2a78f6ea336b86a548ce3e4fc45b614d9c4f60005b70c88d1252a322257ef","schema_version":"1.0","event_id":"sha256:f4a2a78f6ea336b86a548ce3e4fc45b614d9c4f60005b70c88d1252a322257ef"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BX5T7EPRSQUZBZADFSXJQIFGOY/bundle.json","state_url":"https://pith.science/pith/BX5T7EPRSQUZBZADFSXJQIFGOY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BX5T7EPRSQUZBZADFSXJQIFGOY/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":"2026-06-03T06:33:41Z","links":{"resolver":"https://pith.science/pith/BX5T7EPRSQUZBZADFSXJQIFGOY","bundle":"https://pith.science/pith/BX5T7EPRSQUZBZADFSXJQIFGOY/bundle.json","state":"https://pith.science/pith/BX5T7EPRSQUZBZADFSXJQIFGOY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BX5T7EPRSQUZBZADFSXJQIFGOY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:BX5T7EPRSQUZBZADFSXJQIFGOY","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":"5a74d806ec498f3545b632c260f8972a91614de1a960a19b77acc106dfbd236a","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-03-26T23:26:57Z","title_canon_sha256":"cc02f9d6207687bb80c4405dbbb662a95ebae555e48b83525cbb9a762b1feca3"},"schema_version":"1.0","source":{"id":"1003.5245","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1003.5245","created_at":"2026-05-18T02:33:40Z"},{"alias_kind":"arxiv_version","alias_value":"1003.5245v2","created_at":"2026-05-18T02:33:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.5245","created_at":"2026-05-18T02:33:40Z"},{"alias_kind":"pith_short_12","alias_value":"BX5T7EPRSQUZ","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"BX5T7EPRSQUZBZAD","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"BX5T7EPR","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:f4a2a78f6ea336b86a548ce3e4fc45b614d9c4f60005b70c88d1252a322257ef","target":"graph","created_at":"2026-05-18T02:33:40Z","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":"In this work we show that the spin pendulum techniques developed by the E\\:{o}t-Wash group could be used to put very stringent bounds on the free parameters of a Lorentz invariant phenomenological model of quantum gravity. The model is briefly described as well as the experimental setup that we have in mind.","authors_text":"Daniel Sudarsky, Yuri Bonder","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-03-26T23:26:57Z","title":"Searching for spacetime granularity: analyzing a concrete experimental setup"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.5245","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:e47b973f47e3e83bb1a5548c2a5a76e7487fda044789a05dc2fa7227c8a698fa","target":"record","created_at":"2026-05-18T02:33:40Z","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":"5a74d806ec498f3545b632c260f8972a91614de1a960a19b77acc106dfbd236a","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-03-26T23:26:57Z","title_canon_sha256":"cc02f9d6207687bb80c4405dbbb662a95ebae555e48b83525cbb9a762b1feca3"},"schema_version":"1.0","source":{"id":"1003.5245","kind":"arxiv","version":2}},"canonical_sha256":"0dfb3f91f1942990e4032cae9820a6761e9cbff3a8a9d6fc1da42b1005e0971d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0dfb3f91f1942990e4032cae9820a6761e9cbff3a8a9d6fc1da42b1005e0971d","first_computed_at":"2026-05-18T02:33:40.378209Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:33:40.378209Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rkceyvtBrJCnEXLZ/QR7XLqtlWCyCd37gnOhpUhLHGYH940hnuYRkGxXRuYnlRWbH60PnPcXXsBkueo42onMBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:33:40.378831Z","signed_message":"canonical_sha256_bytes"},"source_id":"1003.5245","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e47b973f47e3e83bb1a5548c2a5a76e7487fda044789a05dc2fa7227c8a698fa","sha256:f4a2a78f6ea336b86a548ce3e4fc45b614d9c4f60005b70c88d1252a322257ef"],"state_sha256":"edefa77999d0572cc7130fbe3cd3c815e9d6b53d7a13c53bb550b7f099a99914"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HI1jkO0Pcvv5USd02SQHwPg+ydmKyP1sPnvDubtx00vkJ3njIMGQA4cbAVdy6KTcAIHqqUSJYJDcUGjNM22oDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T06:33:41.861618Z","bundle_sha256":"d30cee8e2b5df82b4c04f8c7a929028ad16759c3e2bb4cef926e10052570ebba"}}