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 0x5788c39d9554db2d025bd6eac4a217ed5f3cf4a8c0f20fbc7ac98135411da61f. Chain 2 (Bitcoin): anchored in block 954689 (2026-06-21T10:35:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e31a3294-f0b6-4755-a82a-a9eb64079eac.json and https://artists.proofprofile.net/proofs/artist/e31a3294-f0b6-4755-a82a-a9eb64079eac.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Global Impact: The First Americans, Vol. 1
Down Home Gospel: Original Songs, Vol. 1
Dramarama Contemplative And Pensive, Vol. 2
Blue Green Submarine: A-Cute-Stic Guitar
Country Roads: Keep Off The Bluegrass, Vol. 1
Blue Green Submarine: Positive Pop Rockers
Lite Spotz: Corporate Technology, Vol. 1
Document This Pastoral And Nature, Vol. 1
Dramarama: Ambient Suspense & Mystery, Vol. 1
Christmas Originals: Happy & Light, Vol. 1
Blue Green Submarine: Acoustic Americana
Worldwide Sports: Adrenaline Rush, Vol. 1
Rock Concert: Mohawks And Skateboards, Vol. 1
Americana: Appalachian Bluegrass, Vol. 1
Big Screen: Mystery, Suspense and Horror, Vol. 1
Big Screen: Romance and Human Interest, Vol. 1
Dramarama: Contemplative & Pensive, Vol. 1
Rock Concert: Sock Hops And Surfboards, Vol. 1
Document This: Environment and Science, Vol. 1
Country Roads: Keep Off The Bluegrass, Vol. 2
Blue Green Submarine: Heartland Rock & Pop
Blue Green Submarine: A-Cute-Stic Guitar, Vol. 2
Christmas Traditions: Acoustic Christmas, Vol. 1
Christmas Traditions: Yule Tide Ladies, Vol. 1
Country: Smokey Mountain Bluegrass, Vol. 1
Christmas Traditions: Electro Synth, Vol. 1
Fifties Orchestral Pop: Feel Good, Vol. 1
Documentary: Mystery & Suspense Ambient, Vol. 3
Documentary: SCI-FI & Fantasy Drones, Vol. 2
Christmas Original Songs: Barbara Martin, Vol. 1
Benedikt Brydern: Spooky Orchestral Fantasy
Promo & Trailer Toolbox: On The Edge Action, Vol. 1
Promo & Trailer Toolbox: Big Adventure, Vol. 1
Documentary: Mystery & Suspense Ambient, Vol. 1
Documentary: SCI-FI & Fantasy Ambient, Vol. 1
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 0x865b9ee25bf64f55fbb6ee62cd9ead87ad419fbd0fae9b4a45aa360066ada7ce. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-19T22:55:52Z), 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/US3DF1732831.
Survival Adventure: Orchestra & Percussion
Promo & Trailer Toolbox: SCI-FI & Fantasy, Vol. 3
Documentary: Mystery & Suspense Ambient, Vol. 2
Christmas Originals: Happy & Light, Vol. 2
Advertising Edits: Just Positive, Vol. 2
The Magic Circle: Enchanting Family Orchestra
Promo & Trailer Toolbox: Risers FX, Vol. 1
Promo & Trailer Toolbox: Mystery, Suspense, & Horror, Vol. 1
Advertising Edits: Viola & Cello, Vol. 1
World Vocal: Irish Traditional Songs, Vol. 1
Nostrum Demonos: Epic Orchestra And Choir
Lite Spots: Corporate Inspirations, Vol. 1
Documentary: Mystery & Suspense Drones, Vol. 2
Documentary: Ambient Tension & Suspense, Vol. 1
Country Roads: Acoustic Bootleggers, Vol. 1
Promo & Trailer Toolbox: Impacts FX, Vol. 1
Christmas Originals: Acoustic Christmas, Vol. 1
Advertising Edits: Just Positive, Vol. 1
Helen And Paul: Watch The Snowflakes Fall
Advertising Edits: Acoustic Motivation, Vol. 1
Promo & Trailer Toolbox: SCI-FI & Fantasy, Vol. 1
Promo & Trailer Toolbox: Big Action Drama, Vol. 1
Lite & Happy Songs: Juliet Lyons, Vol. 1
Bout To Go Down: Ominous Electronic Score
Strangelove: Soft Rock/Adult Comtemporary
POLARRX: From The Wild Into The Concrete Jungle
Lite Spots: Light Rock Vocalizations, Vol. 1