David Crawford may refer to: People David L. Crawford (1889–1974), American football and basketball coach Dave Crawford (musician) (1943–1988), American musician, songwriter and record producer Dav
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3d37ae42d0d9dae1748a4ef6632feb362f7602ebc6df2b11766856da82a6eca. Chain 2 (Bitcoin): anchored in block 953746 (2026-06-15T05:25:34Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a49b7c46-3987-4192-ae6a-3274adc93322.json and https://artists.proofprofile.net/proofs/artist/a49b7c46-3987-4192-ae6a-3274adc93322.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
There's No Such Thing as a Little Bit of Me