{"certificate":"valaxia-priority/v1","subject":{"algo":"sha256","digest":"6f86f07baf6ec4ab21e3a5f84d81d2dd1d7843b7fea464cb14fe4093e2466747","title":"343","note":"Unformalized proof of uniqueness of integer solutions to 343^x=243^y+100"},"entry":{"seq":2,"kind":"fingerprint","payload":{"algo":"sha256","digest":"6f86f07baf6ec4ab21e3a5f84d81d2dd1d7843b7fea464cb14fe4093e2466747","kind":"fingerprint","note":"Unformalized proof of uniqueness of integer solutions to 343^x=243^y+100","title":"343","v":1},"payload_sha256":"b94156572cbdf5c65e6f496a717d3bdef5e63783d6317f9b4a9961b02bb09fd6","prev_hash":"97fe4f313a5ea58bdc328478308f5b2dbc2b6ae84148e6fdeb2f3195df1cdcaf","recorded_at":"2026-09-17T05:48:01.372191Z","entry_hash":"10b6a9a35ec1561d0aa52bea0848f59f2254297e7655a8433244a104f043cdf8","signature":"OGZK8KKAgVGi51E865VgvkgtFBsfgAKhLKbNoRTWxDX+peEnxgqlUUh+HdpiZs4TgOomC/G/pVtI3v3Atwn7DQ==","signer_key_id":"eacc080fd06549dd"},"signer":{"public_key_ed25519_hex":"b38e884aad6129652ef85db29f941d9eeb89faa20aec4d1f0523b371367d16e5","key_id":"eacc080fd06549dd","published_at":"https://valaxia.ro/registry/key"},"anchor":{"opentimestamps":"confirmed","bitcoin_block_height":967380,"calendars":["https://a.pool.opentimestamps.org","https://b.pool.opentimestamps.org"],"proof_url":"https://valaxia.ro/e/10b6a9a35ec1561d0aa52bea0848f59f2254297e7655a8433244a104f043cdf8.ots"},"urls":{"entry":"https://valaxia.ro/e/10b6a9a35ec1561d0aa52bea0848f59f2254297e7655a8433244a104f043cdf8","digest":"https://valaxia.ro/r/6f86f07baf6ec4ab21e3a5f84d81d2dd1d7843b7fea464cb14fe4093e2466747","verify_script":"https://valaxia.ro/verify.py"},"how_to_verify":["sha256(file) == subject.digest","sha256(canonical_json(entry.payload)) == entry.payload_sha256","sha256(entry.prev_hash + '\\n' + entry.payload_sha256 + '\\n' + entry.recorded_at) == entry.entry_hash","ed25519_verify(signer.public_key, entry.entry_hash as ASCII, entry.signature)","optional: ots verify the .ots proof against the digest (Bitcoin)"]}