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 0x480a859b5c69fe846fa17a773647be5b0c4d4a41a14da8c496a772acea3b9cc5. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d842c5d9-6654-42a1-b692-0c76acfef8b3.json and https://artists.proofprofile.net/proofs/artist/d842c5d9-6654-42a1-b692-0c76acfef8b3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Oppenheimer Is Better (Legalize Nuclear Bombs)
Toxic Gossip Train (Ukulele Apology) [Sped Up & Slowed Down]
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 0x291d32668dbce65dbca8af0c608fac41b222141a1d4ceccaf4ccbf3c2c812ff3. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZTAZ2312097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e7d41f4f00d12e28519e267818849328eee23f7af29b6aaef921152b571a718. Chain 2 (Bitcoin): anchored in block 957671 (2026-07-12T07:35:31Z), 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/QZTAZ2312098.
Smurf Cat 2 (We Live We Love We Lie) - Slowed & Reverb
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eb8b2453d05653964718bc92cc8e81721940e68f264d05a12e0907b067c777f. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/QZTB22394289.
True Brexit Geezer (Sped up & Slowed Down)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8bc422fb0b7ce0a0326bc86bfc18d1ac8afc833cce4358e7053cd60d3497ad0. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/QZWFG2372945.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65f61ca67617f59d19e800e831af265ebe791055cbe9abd441bfad1404c241ba. Chain 2 (Bitcoin): anchored in block 957741 (2026-07-12T18:30:59Z), 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/QZDA82471537.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf843070621f8d749ac022841712a6e3a80b1319f48bd99e55b8942572b428e25. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T03:32:47Z), 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/QZDA82471538.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1145d037c851782bd762574705365a66460c565df72c891f0703b812d3700ea. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/QZHNA2463176.
Your Final Challenge Let Yo Bih Go Through Your Phone
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf79b160c061c7ff3f58bcc4dc7fff4d509095a63ff8dad71ba393b9270e0484. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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/QZTAU2482616.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x643c5b804ac8060292337424ca2ba857c9bf54be5587efa9d10261bf547a4317. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/QZTAX2465877.
From the Screen to the Ring to the Pen to the King
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71954f602d01c73616089610f07e30ccebd22585114c5caa83650dc5a919bfb9. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZWFR2435215.
That Feeling When Knee Surgery Is Tomorrow
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24b934663e5cfc47ac4fae930cb862699a2ddef4ecee084a3f963d1674e83028. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:52:04Z), 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/QZZ7U2429736.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96652b2b5788efece982716a890b92a0c42d9d259ce4f0bd1fa830345020943d. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T16:14:34Z), 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/QZZ7U2429737.
I Like to Cuss Like I Was Raised in a Barn
If You See Me Out In Quahog Say Hi - Sped Up
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1de742de28ac2bb1b5d92b09edfdfafaac18095645040b02465a6ef1a263d16. Chain 2 (Bitcoin): anchored in block 958111 (2026-07-15T06:58:20Z), 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/QZNWW2570203.
If You See Me Out In Quahog Say Hi - Slowed & Reverb
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabb33f355ebe9335cad960f1bb98e3950b9ab7c02b3e555cd9648845508491c5. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T17:59:52Z), 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/QZNWW2570204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bc4a8157d17dee43e861dd9fd53215689826df64aec7d588d6710cd3dd1b387. Chain 2 (Bitcoin): anchored in block 959096 (2026-07-22T06:40:00Z), 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/QZWFJ2561421.
A Barbershop Haircut That Costs a Quarter