1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xf0620e1d27e8480e465bd81d6dbd74029c28cd26f7af6d1db7c30f2c878cb016. 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/7c46a03d-937a-4a49-9a94-56e735ae82a2.json and https://artists.proofprofile.net/proofs/artist/7c46a03d-937a-4a49-9a94-56e735ae82a2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Cocaine, Sex & Alcohol (From a Basement in Los Angeles)
COCAINE, SEX & ALCOHOL (FROM A BASEMENT IN LOS ANGELES)
{"copyright_id":"0x11736358da6f3efb0b56efadffb11c00467c2fedc000a4212fa532f54ec23560","isrc":"GBCEJ1700162","name":"Number One Hit of the Summer (Fade Out)","registered_at":"2026-06-28T20:09:38Z","spotify_id":"38b9OEJyCzhUBjMGEWKNKo","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11736358da6f3efb0b56efadffb11c00467c2fedc000a4212fa532f54ec23560. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/38b9OEJyCzhUBjMGEWKNKo.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/38b9OEJyCzhUBjMGEWKNKo.
Jam in the Van - Noah Gundersen (Live Session)
The Sound - Live in Los Angeles, CA 2017
Bad Desire - Live in Los Angeles, CA 2017
Number One Hit of the Summer (Fade Out) - Live in Los Angeles, CA 2017
Selections From "White Noise" Live from Kexp 90.3fm Seattle - September 22 2017
SELECTIONS FROM "WHITE NOISE" (LIVE FROM KEXP 90.3FM SEATTLE - SEPTEMBER 22 2017)
AFTER ALL (EVERYTHING ALL THE TIME) - Live
NUMBER ONE HIT OF THE SUMMER (FADE OUT) - Live
SELECTIONS FROM "WHITE NOISE" LIVE FROM KEXP 90.3FM SEATTLE - SEPTEMBER 22 2017
A Raven and a Dove - Acoustic Selections from Lover
A Raven And A Dove - Acoustic Selections From Lover
Sleepless in Seattle (Live from St. Mark's Cathedral)
Sleepless in Seattle - Live from St. Mark's Cathedral
Hallelujah (Live from St. Mark's Cathedral)
Hallelujah - Live from St. Mark's Cathedral
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00394c52ac90f92d2b8d7ec586cdf02fc07735a5e43a11662b0e36e15a93b194. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/00fRUfon3pr861IKiG03kA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/00fRUfon3pr861IKiG03kA.
Bands Under the Radar, Vol. 4: Singer-Songwriter
In Case You Missed It: 15 Years of Dualtone