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 0x4e5455a4bd4e9cdb3cf4b8c72cdd9db385af1a96c85f4b71c53d3215704f16dc. 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/9064d0b2-2d4e-4970-b1de-be916e43bee6.json and https://artists.proofprofile.net/proofs/artist/9064d0b2-2d4e-4970-b1de-be916e43bee6.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 0xe33870d3433bf8aac0d4c607e1b5b96784ecefb64468a760b1e7e31b912a3165. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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/DEAR41991586.
Your City's A Sucker (Michael Mayer Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf70bdb58b928ad296b46ce97b0286493b2a1df1f1b22adeadfc2cfc8b91bb6ce. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:21:00Z), 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/DEU672101275.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8f6329da0736f762c3c07b7036e7b611e1c12df6d7ec2ae8e1abd02996d7620. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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/DEU672101278.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc62f90e3534807b63b6bb76213fe180c044f794a029457a2547aef915e02827. Chain 2 (Bitcoin): anchored in block 957876 (2026-07-13T16:00:32Z), 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/DEU672101280.
Your City's A Sucker - Michael Mayer Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa59c06cd73633d994c64e1c30a3995eff4132344f581a75079faa6daa7c16005. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T12:05:59Z), 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/DEU672101281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57fbe6781ec65403a62caccea1076370883e8bb7d2d0aba92774c66ca503e07a. 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/DEU672201437.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6caee5bbe1d7601a3116d81161995425be6b96c05c299352866b402259b258d. 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/DEU672201438.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fc8ab2f9a24d3a737c014a86c905222a7f74976a0d9370957c81e0fd13b8ff2. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/DEU672201448.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x427337582a4495932a2a634c0124e0738cbbba488d8365d20c2bc0bc6f46659d. Chain 2 (Bitcoin): anchored in block 958218 (2026-07-16T00:33:33Z), 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/DEU672201440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7211759fa07718e420ae0b07345ff9935e436cbd2e4abd296bb37919cd71d36. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T17:14:36Z), 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/DEU672300128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed495edd71d025c8f1b72390366dd05a737938334ed3af9669f3802f572ebba2. Chain 2 (Bitcoin): anchored in block 957876 (2026-07-13T16:00:32Z), 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/DEU672300912.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa54584ed67ade87b9f4d47b7fe56b11dde59df9a3b12fd56d96c1ebb70e64722. Chain 2 (Bitcoin): anchored in block 958130 (2026-07-15T11:25:47Z), 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/DEU672300915.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec556768cb2242def0c3ca3661bbefc64e61e95d394b05abcaf645ef1d5195a1. 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/DEU672300917.
Vervain (Acid Pauli's Silence Dub Remix)
The Trap (Patrice Bäumel's Closer Remix)
The Trap (Kerala Dust's Wide Open Sky Rework)
Hold Me Dear (Andi Otto's Love is Love Remix)
Vervain - Acid Pauli's Silence Dub Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x759d2ac1deb4a2811a459b08ba66eaebb4706ea01a558d97fe8b5a2796ce852f. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-20T00:16:58Z), 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/DEU672301469.
The Trap - Patrice Bäumel's Closer Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b2425c5a937b422bf4b03e063dd6eaae4ab8dc02a7ff276aa4cb6647ec56de4. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/DEU672301588.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde74001773802a2e411bc2d59f9df53938d0ee0d6696be58115b7f8364a9eef8. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T13:51:58Z), 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/DEU672301471.