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 0xf373f6463e5cdc9728817882fb3f04cb6480fc34ab696e81c4f0e5a1f962da92. Chain 2 (Bitcoin): anchored in block 953610 (2026-06-14T07:58:09Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/148b53dd-f5a8-45c4-b162-ffc6a396b7bc.json and https://artists.proofprofile.net/proofs/artist/148b53dd-f5a8-45c4-b162-ffc6a396b7bc.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 0xb8e0c484445c8b7d25010ac3d93ac677634dfdd5481578f7cd21a811f0993e4f. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/HKG732317887.
A Promise of Dreams - The original soundtrack from the game Project Woolgatherer
The Neverending Dream - The Theme Song of the Game Project Woolgatherer
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67f03d96283f04356751bc3fe9ff2131d09335e1788b43d2a4ad38375d8b5ac5. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/DGA082410594.
Dreams Aglow - The Music for the Dream Shop in Project Woolgatherer
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf756d18d8445190907f88e3c4727ab35c02fa74ec07b1809780e7cd8120daf21. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DGA082410595.
To Dream's End - The Music for the Dreamland in Project Woolgatherer
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44eca1f92b775d7b022826ed3e4773c9d8e2e33f8f639da7aeaf0d4763073c53. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/DGA082410596.
So Sleeps the Soul - The Music for the Night-Time Login Interface in Project Woolgatherer
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa8de0d0e83764fbe9a44283c19bd113081cf015c0101935d318360d4d58b04a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DGA082410597.
狐妖小红娘·千颜篇 动画原声大碟 铭刻
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15156b6f030ff2ef8b3f3107c66ed9d8bd3d657830c5709fdcf190f9e32c6845. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/HKG731591349.