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 0x392ff173878d2d9fc69c0752b296bb5beb68130a21de7c202b0fccb47b3b94ea. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9779f188-8e15-47c0-9aff-3673d23a1772.json and https://artists.proofprofile.net/proofs/artist/9779f188-8e15-47c0-9aff-3673d23a1772.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 0x84b7523c76de8e6d979b373fe5e0f10eca696a8d7bb6e7ab40ae761781b38851. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/QZHN92216707.
Under The Waterfall Arr. For Violin And Piano
Under The Waterfall Together Arr. For Strings
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f1e25e5a3b2d1d0fa6c3b9f3d0f20989493283aa079ad474221a119c4c0f873. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/QZDA42323070.
Morning By The Sea (Revisited Strings Version)
Winter Evening Light (Alternate Violin Version)
Beige Sky Arr. For Violin And Felt Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65ff37505c6e60f60ba5a508eef0aa6ba627cf5177fc58b1fb6c1f14b54239f7. 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/QZHN82320041.
Beautiful Sky (Alternate Violin Version)
Hickory Dickory Dock (Soft Piano Version)
She'll Be Coming Around The Mountain (Felt Piano Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e85af0a47c5c820b6227b6bfe9cf0d7cf4107c18f8b83fd625776ba09ac3a86. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T22:50:57Z), 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/QZHN72487470.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd7d84e52ffabc31c625dd6f1fbcb0e386219ec886e53d82913cc8f7776b569e. 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/QZK6J2476644.
Hush Little Baby Don't You Cry (Piano Version)
As With Gladness Men Of Old Arr. For Cello And Felt Piano
Deck The Halls Arr. For Cello And Soft Piano
See Amid The Winter’s Snow (Ambient Harp Version)
We Wish You A Merry Christmas Arr. For Felt Piano
Twas In The Moon Of Wintertime Arr. For Grand Piano
It Came Upon A Midnight Clear (Alternate Cello Version)
We Wish You A Merry Christmas (Grand Piano Version)
Lo How A Rose E'er Blooming (Piano Version)
How Far Is It To Bethlehem Arr. For Harp
While Shepherds Watched Their Flocks By Night (Ambient Piano Version)
Winter Hymn (Alternate Harp And Violin Version)
Deck The Halls With Boughs Of Holly Arr. For Harp
All My Heart This Night Rejoices (Piano Lullaby Version)
I Saw Three Ships (Piano Lullaby Version)
In The Bleak Midwinter (Piano Lullaby Version)
The Seven Joys Of Mary (Grand Piano Version)
God Rest You Merry Gentlemen (Instrumental Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadd2ed46f62457a162765e0f018e98676d00a431701e62e8a86f6a9d2cd27453. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/QZK6M2542212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fc81edfd48df1bbee2b1481758f3b11633ce167871939fd79eda604c87f0d4f. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/QZWFM2570026.
The Moon Shines Bright (Felt Piano Version)
The Moon Shines Bright - Felt Piano Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6167b47fcb7ea90fabbc48e0980e59ced53d6b40283a1295396997600af1d6a4. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/QT3F32572068.