Claire Austin (November 21, 1918 – June 19, 1994) (born Augusta Marie) was an American blues and jazz singer and pianist. Austin was born to Swedish-American parents in Yakima, Washington. She played
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60d703b987027308a5f2e4d6418a4298779d54a7910c35ed6e2222ed7ee50533. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4a871301-23bd-40b1-bbae-190d5297cd53.json and https://artists.proofprofile.net/proofs/artist/4a871301-23bd-40b1-bbae-190d5297cd53.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Claire Austin Sings "When Your Lover Has Gone"
Claire Austin Sings "When Your Lover Has Gone" (Reissue)