Blossom Seeley (July 16, 1886 Blossom Seeley biography, ragpiano.com. Accessed July 14, 2022. — April 17, 1974)"Blossom Seeley" . gabrielleray.150m.com. Retrieved 2010-10-23. was an American singer,
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 0x421f1c18c9ca606861ef0433314b92c2e52b3237851f119257f13b27c0df37a6. Chain 2 (Bitcoin): anchored in block 954134 (2026-06-17T19:41:05Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7e9333a0-9a78-483c-b0ee-f25803c2a1ff.json and https://artists.proofprofile.net/proofs/artist/7e9333a0-9a78-483c-b0ee-f25803c2a1ff.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
I Love A Piano (Live On The Ed Sullivan Show, November 5, 1961)
I Love A Piano (Live On The Ed Sullivan Show, March 8, 1964)
That Teasin' Rag (Live On The Ed Sullivan Show, November 15, 1959)
Toddling The Todalo (Live On The Ed Sullivan Show, April 10, 1960)
San Francisco/My Kind Of Town/Shine On Harvest Moon (Medley/Live On The Ed Sullivan Show, February 27, 1966)
Birth Of The Blues (Live On The Ed Sullivan Show, July 24, 1960)