Victoria Regina Spivey (October 15, 1906 – October 3, 1976), sometimes known as Queen Victoria,Gates, Henry Louis, Cary D. Wintz, and Evelyn Brooks Higginbotham. 2009. Harlem Renaissance Lives: from t
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 0xec33496fde8a27cc42f3359b1e20b0046a4422b5efcb74f9832f27571bae6eff. Chain 2 (Bitcoin): anchored in block 953812 (2026-06-15T17:06:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f7721b16-8f45-4e2b-8cb9-3182255a0b6f.json and https://artists.proofprofile.net/proofs/artist/f7721b16-8f45-4e2b-8cb9-3182255a0b6f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x862e9e05f408a2b9f0dc79ac895d47d76cb760d1dd3af842faf881c18bb911b6. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEXO52490450.
Treasures of North-American Negro Music, Vol. 5 (feat. Lonnie Johnson, Jack Erby) [Recorded in 1927, Mono Version]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f9e6c76dc3a78198463f42ec53f013e5fb75e313b6f56ae5932ae3ffc8e6130. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560564415.
Victoria Spivey and the Easy Rider Jazz Band
Queen Victoria Sweet Peas Spivey 1927-1937 (Blues Collection Historic Recordings)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98301036c09305dd78b7357a2fc56c74c51c3d42f71e0302c297b7eeee279729. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSUW1514730.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe17a2249d33a78958f9532f54ae90e76f94bc7ddc07cb20226c4de5d51a55d0b. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSUW1514741.
Delta Empress - Blues from the Margins 1929-1936
The Great Depression - American Music In The 30's
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1c5a5716c8e50c3a4720a273e3e95f4e16abaa8b9a9fa8993168e644465bc3c. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM13600068.