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 0x833b914534b89357080e4dbc8190db5bc9a699c547db4a78e1c74943b8ce6cca. Chain 2 (Bitcoin): anchored in block 953877 (2026-06-16T02:39:16Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/033a3ed1-d72b-42ef-bcbf-338c78a61e73.json and https://artists.proofprofile.net/proofs/artist/033a3ed1-d72b-42ef-bcbf-338c78a61e73.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Calming Music for Dogs – Relaxation & Anxiety Relief
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 0xb096ed6910f2ecb5d0f212acec2fb6e1f2772249e6fa4f1f48e01ee32bbf1785. 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/GXFHP2573287.
Dog Sleep Music – Soothing Sounds for Restful Nights
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e3a2dfd4a39a918471e05f3d9cf1eb2d94eabc973524e1736bcc60b78f42e0c. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/GXFHP2586296.
Peaceful Piano for Dogs – Calm Companion
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe488345bd23e4166f1dccf2d2268893f543d383f82b0dc46fa1c36f92e4c0c41. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/GXFHP2580707.
Dog Anxiety Relief – Gentle Ambient Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1fc41535692cb7cb1661da69b46cb279bf77bb871ed6f4f5b7163d9f52989b1. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/GXFHP2560498.
Stress Relief Music for Dogs – Comfort and Calm
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6b183c24361de6bc3f0b80b2248c97c3707832f0ed604371fa5036cf05d6e10. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/GXFHP2581311.
Dog Calm Piano – Emotional Balance & Sleep Aid
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ada00bf24e7862534dcbcad9b4cedcd8df1643b641f745aa514d4e4b70332ed. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/GXFHP2520742.
Dog Chillout Music – Calm Energy for Home Alone Pets
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4acb65379d4dfe754b508eb283b6368c22481e9685c58703d07de36a7a25817c. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/GXFHP2527099.
Puppy Sleep Sounds – Relaxation & Bedtime for Puppies