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 0xaaaee08ad85b42818a0584bda624f9300ad29c2acd620c3e58372aedbc929fa7. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/afaa1141-5df4-46dd-a479-206ee0c11e73.json and https://artists.proofprofile.net/proofs/artist/afaa1141-5df4-46dd-a479-206ee0c11e73.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 0x72bd4f92eaf8c9106772fe4c05248cb96350e5b68951e69ddf6da8e54fb96409. Chain 2 (Bitcoin): anchored in block 959031 (2026-07-21T18:25:42Z), 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/USL4R2245485.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f748f53079728d5091ed626ad762e10fe8d6a426731182b51e052670a365e3d. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-17T00:09:14Z), 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/QZFZ62301790.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8ffe6fc5496b49ae361d8f0499d771d10bb220675f9d6eefbc6af70beeaf9a5. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/QZDA42323071.
February At Midnight Arr. For Cello And Felt Piano
Celtic Daydream (Alternate Harp Version)
We Are In A Dream (Cello And Rain Version)
Before The Morning Arr. For Violin And Felt Piano
Before The Morning (Cello And Felt Piano Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e9fa6e470f5cd3a78bd26b26521c77e20aa697d3b99472d301d4eba7357b17e. Chain 2 (Bitcoin): anchored in block 956404 (2026-07-17T03:53:28Z), 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/QZTAU2307237.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99a61d90894fd46139b3ff3238b948143396fb8aaea74f281dc3de7e69e16ed9. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/QZTAU2307239.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0422c300ad3d1bce57f70238884639d01f65f6cadb1400002c55838b7eaed8f0. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZTAU2353360.
It Came Upon A Midnight Clear Arr. For Piano
O Come All Ye Faithful Arr. For Grand Piano
The Holly And The Ivy (Ambient Harp Version)
Another Dreamscape Arr. For Cello And Harp
Come Thou Fount Of Every Blessing Arr. For Grand Piano
German Dance Lullaby Arr. For Grand Piano
Lo How A Rose E'er Blooming Arr. For Soft Piano
See Amid The Winter's Snow Arr. For Harp
Hark The Herald Angels Sing Arr. For Felt Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6178c70634f132146459a3e4c0f5dca3408a7fa2efe2f078f8c562f7bddd6bf5. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZTBB2311182.
See Amid The Winter's Snow Arr. For Cello And Soft Piano
The Holly And The Ivy (Ambient Cello Version)
O Come, O Come Emmanuel (Felt Piano Version)
O Come, O Come Emmanuel - Felt Piano Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18db9d4cfd622d62a0a1ee118e7362613196f32a10cc7fc19eedbbc2183d0ea8. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZTBE2354003.
Ode To Joy Arr. For Cello And Felt Piano
Lo How A Rose E'er Blooming (Cello And Piano Version)
Two Versions Of While Shepherds Watched Their Flocks
Hark! The Herald Angels Sing (Harp Version)
We Wish You A Merry Christmas (Alternate Piano Version)
Deck The Halls (Alternate Piano Version)
All My Heart This Night Rejoices Arr. For Two Cellos
Midnight Light (Alternate Strings Version)
Calm Flow Of The River (Strings Version)
All My Heart This Night Rejoices (Alternate Cello Version)
Blest Be The Tie That Binds Arr. For Piano
How Firm A Foundation Arr. For Grand Piano
O Sons And Daughters, Let Us Sing (Ambient Piano Version)
Joy To The World Arr. For Cello And Harp
O Come O Come Emmanuel Arr. For Grand Piano
All Things Bright And Beautiful Arr. For Grand Piano
O Come, All Ye Faithful (Felt Piano Version)
Two Versions Of Take My Life And Let It Be
O Master Let Me Walk With Thee (Grand Piano Version)
How Far Is It To Bethlehem (Grand Piano Version)
The Church's One Foundation (Alternate Piano Version)
Come Ye Thankful People Come Arr. For Cello
Grand Piano Versions Of Winter Morning Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf7ddf522dcb405b5a54ded62c777f1c29570c12e1f5bfe7076e3707b246902a. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T23:36:35Z), 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/QZMEP2574950.
Five Little Ducks (Ambient Piano Version)
Sonata Pathetique Lullaby Arr. For Grand Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87dba3dbd02fd80eb50cf7abaed895a9876272519204119acddd2e1cec7fcac8. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:49:15Z), 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/QZZ7W2509136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1771d7f382432b76431341c2547894dd5778ab428574b0dae99f32fc1f80fe15. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T05:43:48Z), 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/QT3F42555277.
God Rest Ye Merry Gentlemen Arr. For Cello And Harp