{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:YJNZ7ZGGKD6DZ74XDK3SQ7JQ57","short_pith_number":"pith:YJNZ7ZGG","canonical_record":{"source":{"id":"1503.05873","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2014-07-04T17:01:25Z","cross_cats_sorted":[],"title_canon_sha256":"35894de4df88a7ee9100f16009d53929d9d954fcd69a29757f579e769fc51b90","abstract_canon_sha256":"f7e89fc13b43169a77e32ddf20ec5f28ff06bf2bb9b78657ae346f1fdd4c90ce"},"schema_version":"1.0"},"canonical_sha256":"c25b9fe4c650fc3cff971ab7287d30efc60915825fccbe750661c36f48e38aa2","source":{"kind":"arxiv","id":"1503.05873","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.05873","created_at":"2026-05-18T02:20:50Z"},{"alias_kind":"arxiv_version","alias_value":"1503.05873v1","created_at":"2026-05-18T02:20:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.05873","created_at":"2026-05-18T02:20:50Z"},{"alias_kind":"pith_short_12","alias_value":"YJNZ7ZGGKD6D","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"YJNZ7ZGGKD6DZ74X","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"YJNZ7ZGG","created_at":"2026-05-18T12:28:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:YJNZ7ZGGKD6DZ74XDK3SQ7JQ57","target":"record","payload":{"canonical_record":{"source":{"id":"1503.05873","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2014-07-04T17:01:25Z","cross_cats_sorted":[],"title_canon_sha256":"35894de4df88a7ee9100f16009d53929d9d954fcd69a29757f579e769fc51b90","abstract_canon_sha256":"f7e89fc13b43169a77e32ddf20ec5f28ff06bf2bb9b78657ae346f1fdd4c90ce"},"schema_version":"1.0"},"canonical_sha256":"c25b9fe4c650fc3cff971ab7287d30efc60915825fccbe750661c36f48e38aa2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:20:50.934485Z","signature_b64":"FIZqfJk4uB6LI22aSF7a6EgTUsrh1VKcDXWy2fZ/PXJwrMtkN7slj3mY9dTsezjzfIrtlkuiW8FFyPnOt54fDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c25b9fe4c650fc3cff971ab7287d30efc60915825fccbe750661c36f48e38aa2","last_reissued_at":"2026-05-18T02:20:50.933754Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:20:50.933754Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.05873","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":"2026-05-18T02:20:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WItSULRLh9qL06hNdg+9OlBzsDC3Zq3OmXoZfCxfoqOjw3SwRvUa+NAGLNvzZJJATI7zSA4igHNd/mSn8ySRBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T10:19:01.857569Z"},"content_sha256":"767dda02bde7f2653a91106f37c6c56dbe3d913d54277f832812c8a57ca6a991","schema_version":"1.0","event_id":"sha256:767dda02bde7f2653a91106f37c6c56dbe3d913d54277f832812c8a57ca6a991"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:YJNZ7ZGGKD6DZ74XDK3SQ7JQ57","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Is It Possible to Predict Strong Earthquakes?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.gen-ph","authors_text":"Anna B. Solovyeva, Gennadiy V. Ryabinin, Serge F. Timashev, Yuriy S. Polyakov","submitted_at":"2014-07-04T17:01:25Z","abstract_excerpt":"The possibility of earthquake prediction is one of the key open questions in modern geophysics. We propose an approach based on the analysis of common short-term candidate precursors (2 weeks to 3 months prior to strong earthquake) with the subsequent processing of brain activity signals generated in specific types of rats (kept in laboratory settings) who reportedly sense an impending earthquake few days prior to the event. We illustrate the identification of short-term precursors using the groundwater sodium-ion concentration data in the time frame from 2010 to 2014 (a major earthquake occur"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.05873","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":"2026-05-18T02:20:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"axA7jX17p6wdGXVFTjueHRVtDrytjXJXMCl9Mq9X2sHzW8cGGwmJCMYYG+rVVA9oJkipvnmIYwduHeFL8uHJCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T10:19:01.857909Z"},"content_sha256":"c36c23f09594270e411433ac7433c595f48b3f1abbe48fb36201f735e98383e8","schema_version":"1.0","event_id":"sha256:c36c23f09594270e411433ac7433c595f48b3f1abbe48fb36201f735e98383e8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YJNZ7ZGGKD6DZ74XDK3SQ7JQ57/bundle.json","state_url":"https://pith.science/pith/YJNZ7ZGGKD6DZ74XDK3SQ7JQ57/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YJNZ7ZGGKD6DZ74XDK3SQ7JQ57/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":"2026-06-23T10:19:01Z","links":{"resolver":"https://pith.science/pith/YJNZ7ZGGKD6DZ74XDK3SQ7JQ57","bundle":"https://pith.science/pith/YJNZ7ZGGKD6DZ74XDK3SQ7JQ57/bundle.json","state":"https://pith.science/pith/YJNZ7ZGGKD6DZ74XDK3SQ7JQ57/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YJNZ7ZGGKD6DZ74XDK3SQ7JQ57/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:YJNZ7ZGGKD6DZ74XDK3SQ7JQ57","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":"f7e89fc13b43169a77e32ddf20ec5f28ff06bf2bb9b78657ae346f1fdd4c90ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2014-07-04T17:01:25Z","title_canon_sha256":"35894de4df88a7ee9100f16009d53929d9d954fcd69a29757f579e769fc51b90"},"schema_version":"1.0","source":{"id":"1503.05873","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.05873","created_at":"2026-05-18T02:20:50Z"},{"alias_kind":"arxiv_version","alias_value":"1503.05873v1","created_at":"2026-05-18T02:20:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.05873","created_at":"2026-05-18T02:20:50Z"},{"alias_kind":"pith_short_12","alias_value":"YJNZ7ZGGKD6D","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"YJNZ7ZGGKD6DZ74X","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"YJNZ7ZGG","created_at":"2026-05-18T12:28:57Z"}],"graph_snapshots":[{"event_id":"sha256:c36c23f09594270e411433ac7433c595f48b3f1abbe48fb36201f735e98383e8","target":"graph","created_at":"2026-05-18T02:20:50Z","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":"The possibility of earthquake prediction is one of the key open questions in modern geophysics. We propose an approach based on the analysis of common short-term candidate precursors (2 weeks to 3 months prior to strong earthquake) with the subsequent processing of brain activity signals generated in specific types of rats (kept in laboratory settings) who reportedly sense an impending earthquake few days prior to the event. We illustrate the identification of short-term precursors using the groundwater sodium-ion concentration data in the time frame from 2010 to 2014 (a major earthquake occur","authors_text":"Anna B. Solovyeva, Gennadiy V. Ryabinin, Serge F. Timashev, Yuriy S. Polyakov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2014-07-04T17:01:25Z","title":"Is It Possible to Predict Strong Earthquakes?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.05873","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":"sha256:767dda02bde7f2653a91106f37c6c56dbe3d913d54277f832812c8a57ca6a991","target":"record","created_at":"2026-05-18T02:20:50Z","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":"f7e89fc13b43169a77e32ddf20ec5f28ff06bf2bb9b78657ae346f1fdd4c90ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2014-07-04T17:01:25Z","title_canon_sha256":"35894de4df88a7ee9100f16009d53929d9d954fcd69a29757f579e769fc51b90"},"schema_version":"1.0","source":{"id":"1503.05873","kind":"arxiv","version":1}},"canonical_sha256":"c25b9fe4c650fc3cff971ab7287d30efc60915825fccbe750661c36f48e38aa2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c25b9fe4c650fc3cff971ab7287d30efc60915825fccbe750661c36f48e38aa2","first_computed_at":"2026-05-18T02:20:50.933754Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:20:50.933754Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FIZqfJk4uB6LI22aSF7a6EgTUsrh1VKcDXWy2fZ/PXJwrMtkN7slj3mY9dTsezjzfIrtlkuiW8FFyPnOt54fDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:20:50.934485Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.05873","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:767dda02bde7f2653a91106f37c6c56dbe3d913d54277f832812c8a57ca6a991","sha256:c36c23f09594270e411433ac7433c595f48b3f1abbe48fb36201f735e98383e8"],"state_sha256":"771b70dfc9cf04f79de20ab2e2cb81c0fa970e6ea4dc90ece16516a73e2ea208"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SdXvj9r/1tgRrtMckVPNy4dVH2sJl59D6L4pW4xzkgecfCYLUE8jTSVkikQ+7pLHdJljr90//qi84VKGHELxAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T10:19:01.859916Z","bundle_sha256":"6f354db2b93fa41a15665ced2d279bb0a29096e2d75c38217cf1a84717ddda5a"}}