Zorro ( or , Spanish for "fox") is a fictional character created in 1919 by American pulp writer Johnston McCulley, appearing in works set in the Pueblo de Los Ángeles in Alta California. Zorro is typ
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 0x7d783998325510d454e073ad8e3b4e6cb899608a9255a74afacdfb665d3967a4. 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/e81685df-26da-4cdc-b6df-725f33025b36.json and https://artists.proofprofile.net/proofs/artist/e81685df-26da-4cdc-b6df-725f33025b36.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 0xb1588f1984fec01bd9dce1f244ef471bf8d402685aae044189114476fbadfd14. Chain 2 (Bitcoin): anchored in block 959031 (2026-07-21T18:54:51Z), 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/SE5Q52101139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0254361aaea0c75f1c418c0859adfc87fa41b5f1df1349b1b488d8c28e76cdb6. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/SE5Q52104174.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e2b6e55f8d191e00ba6c6c6cc8284d0a48f8be8d8ec7b9583baa0e723841e43. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/SE5Q52103609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94a15b41cbe777f172292902b63a8df5985617a934c9c6ad0897eece3d55e97a. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/SE5Q52200976.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb7dac02bb090a952ade74b34853c21d32887787663cc656e9fc180e3c5e27e6. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:55:52Z), 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/SE5Q52200285.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa77843c96572097eaf74a0bba158ff46b744a4277ef9f884a5c8b7ace305ebd. Chain 2 (Bitcoin): anchored in block 958639 (2026-07-19T01:18:30Z), 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/SE5Q52200736.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x742ff3456bf5803571510cc47406f87f6feaea44ca0be75c183f7087d3ad5341. Chain 2 (Bitcoin): anchored in block 957830 (2026-07-13T09:15:55Z), 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/SE5Q52201813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe89fe09f7c9686b080252483f379f917faa67e16e381b5958850bba038ab8fea. 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/SE5Q52201709.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39ca1fd4ee6912bd8594bedf8514e3e69023f59e9917f9c4084de3ae0c001a41. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/SE5Q52202066.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed99da9e5954244fb26985787c7406ce7802f95251f90da73e0936dbcfc38a4e. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/SE5Q52201491.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf00a126c73858819f80db6b98580352a552b88fefa3ca152c0f53d3d5e2800d8. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T07:01:59Z), 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/SE5Q52202232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3ed152cd302c4b26d4e2fced6e97b5398c8adadc6eeda6a0e9314f603fd1a08. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/SE5Q52300371.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a4ca3e18d94f1388fe267e0d64bf2bbc1929d40418a7afbfa9fc8ae288c72b3. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/SE5Q52300236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf92bc5a47ed062df2adf5967a2212bbc172bbb91ce98137decc1ddc470b39072. 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/SE5Q52301501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58938a9c854d455b06a469d0dd58e04a48171147c9554e885fdfa2aa79378852. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T08:52:21Z), 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/SE5Q52301346.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a0a82ae9b74a230b36593924ed524b7a1b72ba307e07e5b8ce5c57ea2c53737. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/SE5Q52302176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4d19c7551979b14f0c4914f7373a9f51e9c389e0df7c7b52ffdae401a178201. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/SE5Q52301713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5948ec86f4038b696e1e31a768cd99ac7b84eb0852f7c2df53d96e74b38bb756. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/SE5Q52301711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c7e8b19ce89d2943c4226c5669a7025b2876fcab6841fc4a061ef5936d5e622. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T23:07:16Z), 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/SE5Q52304389.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54f003dcb1d78e4bdd08656bebcb4c3a899badd81df0aff3ed3ce246554a1eea. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-19T22:07:06Z), 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/SE5Q52303461.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46e39f8ad770c7edc4e67923b8d23112d6290c9eb7299ba2d37de6cdb374ffee. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/SE5Q52305135.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x521079e05718813747fd1dff95b94d5fdae15ac1f742d5f23a876806366c3f3d. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/SE5Q52303462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43db83855a82c8a85ccff71b28d8ff0db76f56b05e4070a24e8a424d06caece4. Chain 2 (Bitcoin): anchored in block 956713 (2026-07-04T23:03:25Z), 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/SE5Q52400107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x055ed3014071e0f7a7086feac1742549c27503776836e36b0ee778cfed203742. Chain 2 (Bitcoin): anchored in block 958392 (2026-07-17T09:46:31Z), 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/SE5Q52400582.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf9357454e8988fd70225f1562bc52a21810d3b073c300860391e092f17193be. Chain 2 (Bitcoin): anchored in block 958785 (2026-07-19T21:40:06Z), 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/SE5Q52400046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfdebe6ae65012972ff46d1f77aad8e1bd3163f0aa15d6eb94fc1387927c1468. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/SE5Q52400796.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5ec424f8f521f71c9a76b0d46b8728afbb78718764e5cf7b5ae249f62162c80. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/SE5Q52400918.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7e55cf7a94ec762183050747d1766b5081bd3ebc9ab506a4354ac20775ad12e. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/SE5Q52403939.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa008ad276d64ba8ac5dc21026b310caf669cf447d15eddaebe4aaf976f034d65. 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/SE5Q52402896.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f39890a71e804c355e67e0ccd43a134a814411a7feb7b216790e31c2972f892. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/SE5Q52403230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cc801d8a6de8a1fe42e10f2e572f150a0afcaa52e3ec61810adfbbb6aac3d16. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/SE5Q52403273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7006bd3e9ef9e1164ab111f650b90185024051766253f0c9d204820f6172b31. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/SE5Q52500962.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfb3185a8ac9116f3a9685bae31edc2ecdd397c3e9024169ff364595735fe1fa. 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/SE5Q52300624.
Marinate (Sped Up Version) - Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb43e2b94f8de08549317b279ecacb6eba47b713c9dbb6bdc560e40cef5d6af85. 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/SE5Q52300625.