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 0x6bfcf025efb0c97a32a2db0afb4e08af48387222871e221c3707a308ca0dab20. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7ae31575-a0e8-4417-a13b-24e4080dceb2.json and https://artists.proofprofile.net/proofs/artist/7ae31575-a0e8-4417-a13b-24e4080dceb2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
TBT COM AQUELA MALUCA Vs TROPA DO SERRAO
TIRA A ROUPA SUA LOCA Vs VOU DANÇA PELADA
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 0x365ac314ad457f549c750cb223ed442232ae1bc7b5ab7ca2a77e9b6ff7577d3a. Chain 2 (Bitcoin): anchored in block 958552 (2026-07-18T13:15:29Z), 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/USANG2235622.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a18f933b2eab043d44922fafbe4dba32d44ce1ae469777c377f02a33d2b8a0e. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/BX4IU2307827.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbce7ef71ffe70a99e258313ea3557c3565c3f8b1b67c1d43a8fb683a5f03071a. 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/QZMEN2393122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x309ac74f5caf94277faf7ce0b839555ec997bdffc7a1d90a37adcd5fb8bbc1a8. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:19:03Z), 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/QZPLS2398395.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x819294a8fd347284d7ea02f65a0f4d20186bab5582f605c2a91d2e813f5d4de1. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T09:57:19Z), 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/BX4IU2359698.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91a0a5fce6225c4bce9137a4eda5c7fc9a5156987bf439bec31cb399f81f94e7. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T17:54:51Z), 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/QZWFN2315557.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x021fdd38135f137361588cfeb2c2e8f54a548df81c0edc3dc96f99b09f797e99. Chain 2 (Bitcoin): anchored in block 958115 (2026-07-15T09:49:52Z), 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/QZDA72421787.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ee2b78635392081b5cc46f4aa7e9ad8f8d1966c22764b2588d7daa8cbdfc3d4. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BCL2K2400134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c692adf497889a4a90073768f3f14dde6a4f7c31aaf49fb07ec07a9d5a5dc76. Chain 2 (Bitcoin): anchored in block 957866 (2026-07-13T14:54:25Z), 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/BXTRN2400665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63bd09c3b7cb8191c92075a7e21989c88cb9800fad589976d661f8c59e2772eb. 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/BXTRN2400675.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79314dcda0f8295f05a32e95dab98acd57ad4875efc0fcac3c5dca5f16016e28. Chain 2 (Bitcoin): anchored in block 958830 (2026-07-20T08:18:37Z), 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/BXTRN2500692.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0a5cc46ec3afe55532ecb172e200a4a5b659f4250ff2862c8e155dcf0b33e76. 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/BCL2K2400133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc4e0ae4c35e7937bba7aab1ea28014073dd0074b3bf0ad75ba3e6e0983b9724. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BKP9L2500017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bb1c36b3779772e1263978999559033805b77166f02d85301a980dd62fa022d. 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/US7VG2549986.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29562af19a72d49ac3c1c7fd5c71c75753813a72d4aa5ede4b43c69aa3026719. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QZNJZ2465880.