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 0xa0192ffee9a8dcd605158b8c6f5626ffba2db43a271c82e9ad05d127b729c0e1. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/96f28b51-14ad-4236-94de-2cbe403aa17d.json and https://artists.proofprofile.net/proofs/artist/96f28b51-14ad-4236-94de-2cbe403aa17d.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 0xde18a6b358d60466551de3f6f44f39ecfb10cdc06a963353ee3921ccf7e8dddb. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/ARA821000006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde18a6b358d60466551de3f6f44f39ecfb10cdc06a963353ee3921ccf7e8dddb. Chain 2 (Bitcoin): anchored in block 958185 (2026-07-15T18:19:04Z), 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/ARA821000006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde18a6b358d60466551de3f6f44f39ecfb10cdc06a963353ee3921ccf7e8dddb. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/ARA821000006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde18a6b358d60466551de3f6f44f39ecfb10cdc06a963353ee3921ccf7e8dddb. Chain 2 (Bitcoin): anchored in block 958380 (2026-07-17T07:07:02Z), 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/ARA821000006.
Water Groove: Over 3 Hours of Water Nature Sounds Blended with Soothing Music
Anger Management Music: One Hour of Relaxing Music to Calm Your Nerves and Help Your Breathing
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf04ba36849fc6c737a57af977f70f0c31bb64dbfa4c8fe7b02a1b8c5dbc8d45. Chain 2 (Bitcoin): anchored in block 958885 (2026-07-20T15:47:37Z), 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/ARA821510102.
Best 10 of Nature | Relaxing Tracks of Ocean, Rain
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5efa2dda05e272ebf298c77b261c02fddaacc9182091e0dc100858abcfbf1db. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/QMHNS1311263.