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 0x076bc7abc4322240fa67b4cb7e4d3d4d9c2dd7e9dd46f73f97fae94cc9530fc9. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d7b20774-61d3-4502-a69d-717ac723e416.json and https://artists.proofprofile.net/proofs/artist/d7b20774-61d3-4502-a69d-717ac723e416.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 0xd5c981c6f31d2acc24335b52cec02ea88861d3f8735e1c42e2fc1c3a0412bcf8. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/BX4IU2512198.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x800f6af043e2ca6368bf8cf4642ce0564b776bae0b9db632bab3c89c34067fcc. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/BX4IU2512199.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x935ad7da1e52cdea2ee26600b92e373e6eaab0fde5e83c7ac27a6a99189b6e64. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/BX4IU2512203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2f41565777fada60995317ec5add8c1bac474df0fc122eb0ed4a0dedfe1fc41. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/BX4IU2512205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x595c590170e53f697568ca9c0f98005034fe97aba9c3cef9612c15b191ad02bc. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/BX4IU2512206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a563dc621638fa6909d9b66b62825db38ac35055f80943c5a76de30c36a3132. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/BX4IU2512207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12a21dec67e3b13d0d692742ae02f6aa1c3165e2115b8b482a32bf99fd0ec68c. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/BX4IU2512208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74c8a0350668b067d17501e59df7f08230ab92e47f777e4d855d777623a81a43. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/BX4IU2512209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ee8d8698d6af950f92eecde61d4e03ad76ef299a3056d0a5abf0483bf4f8faa. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/BX4IU2512200.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x220a49a4bd92dc6653858bf4142b7dc8640346b0de9bbc730c9fd429fa1f0126. Chain 2 (Bitcoin): anchored in block 960407 (2026-07-31T13:26:30Z), 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/BX4IU2512201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d2572e4699654f595589968c8b6209283a4d7a8cfc4690a5ca39385630a66fa. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/BX4IU2512202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67708ed9d6d5c94dc77719fb9794469851098bd1451d1168a6222822d5154dee. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/BX4IU2512204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3184ea19a501bd973eba3152fd89e5540b2fab138282fd62ed7e50338cbce6fa. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/BX4IU2512210.
Odisseia - Lost Tapes From a Dead Sunflower
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x059425ac013ecebebefb20762ab3b07ea57a197aef276aaad35eb02a7a7aa2c1. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/AUGBT2548341.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b0c67e98daa55bcb614f65ea0cec5b59f1af007c35525b3e4a5a40264bf6c94. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T22:32:23Z), 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/AUGBT2548347.
boneco velho me olhando em todo canto que eu vou
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89be1f100850ece533276132425359371812379c4b4c35a721134689624763ae. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/AUGBT2548348.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe66853a893f9f521df5c9deef4fb3ed9c3c41f4d75fb6f1a22973c5366d70d7c. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T22:19:50Z), 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/AUGBT2548351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x284388d4bed180bc64e0404d543da8fede54f893f7545c4dd9ec9ee0b682b9df. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/NL9KR2460372.