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 0x47f2d9d03183b3b8b0bc0ca28c186d6d0c3a5047dfca08d0ef26016b4e05bcdc. 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/352a6ca2-8d1c-415c-b2c8-0528bf1f86c3.json and https://artists.proofprofile.net/proofs/artist/352a6ca2-8d1c-415c-b2c8-0528bf1f86c3.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 0xef539339e4324e1e2bdd3cf69640ec28a3d0a569bf2bb30e6dfe0c87e8b69d04. 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/QZNJW2383413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1db7cd42ffe6465d7b2ccf90e8e74ebea295e80215c94fecedfa0f04cb9f6fed. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/QZNJY2371805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x677c866e166e0c912f4450db69a95e3f5a32b38e6a1cfef398e47e7281286e7b. 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/QZNJZ2397122.
Love Like It's Religion with Drew Sycamore
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdca978d964e5857f996fb0a6662537f1b7647b3052e01879370d50d7cf5876b. 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/QZTPX2367448.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb96dabc22fb84ce8afbfeb8fb0bad6307f93d2602a20917f863ec9ae41c23f6. 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/QZTPX2367449.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6fac106f1fb2d85d4184e86f83b2327ec5faddaf3ec621f0cf1c1f23c9ebd3a. 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/QZTPX2367450.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef539339e4324e1e2bdd3cf69640ec28a3d0a569bf2bb30e6dfe0c87e8b69d04. 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/QZNJW2383413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01b392db9d731de1c0125881855793a9b6dd5b5cb8f0cebf2889b1b8a87e72c5. 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/QZWFJ2451106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8133a134212496a4a1aa35316f9d7a417a980beb30ce789e82a9dbf329ab1381. 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/QZTBF2461383.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f84c78856a015eef6ca1964da56f4764fa803bac1f400248f6ee0b4053da07e. 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/QZTB92443345.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x055323eab7e5c85c8c184f796016d50d75a925c0da888491bfd151cec551158d. 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/QZTBF2461384.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f84c78856a015eef6ca1964da56f4764fa803bac1f400248f6ee0b4053da07e. 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/QZTB92443345.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79bbabe930cee0e37201d33a0649ef32ab8fd2593e36bcb9d8bdc76265a64c23. 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/QZTAT2457004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeceadd2522edf251f7e8d23f3a8fe3d986cfb4c43af1d861cc0ca7e613a66716. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/QZNWX2463273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4561dee4bb9b2275d4b3927fdc16db091698c5cca2a6c9f5a68f753e898d808. 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/QZRP42422909.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4561dee4bb9b2275d4b3927fdc16db091698c5cca2a6c9f5a68f753e898d808. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QZRP42422909.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeceadd2522edf251f7e8d23f3a8fe3d986cfb4c43af1d861cc0ca7e613a66716. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZNWX2463273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeceadd2522edf251f7e8d23f3a8fe3d986cfb4c43af1d861cc0ca7e613a66716. 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/QZNWX2463273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fdcefe22d5d9892080802f6054d77058217ac96c95e8e32ab3577ade5634b74. 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/QZK6Q2420386.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67c7bb5625a089208e369a74005e5ee0b9b3372b9640f9ba5c1cbaa455d02b26. 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/QZK6M2461217.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ab377293650ac61f1bfd35bbd574edcc7955a7e7a8afe4078eab78946912904. 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/QZK6K2441949.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67c7bb5625a089208e369a74005e5ee0b9b3372b9640f9ba5c1cbaa455d02b26. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QZK6M2461217.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fdcefe22d5d9892080802f6054d77058217ac96c95e8e32ab3577ade5634b74. 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/QZK6Q2420386.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd05b7d97a8bec0916a47f62f25954711f65e919ff590571a8704baff020000fd. 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/QZS7J2379208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8256af07f7d252c09daef4ea31daa8a0fc8b185683497bfbcdb818567d7431a3. 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/QZWFR2387556.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6a871604e5a3a649ffd747be1ee5f36a2ba8fda8f97e927844b55bb11e30265. 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/QZSYP2327155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e673e288abb81b0dc233bb02f8531756fcdfafec101936e517ddf5bea99fa7b. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T19:53:38Z), 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/QZWFR2387557.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6a871604e5a3a649ffd747be1ee5f36a2ba8fda8f97e927844b55bb11e30265. 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/QZSYP2327155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd05b7d97a8bec0916a47f62f25954711f65e919ff590571a8704baff020000fd. 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/QZS7J2379208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28245c3a00f27539b017c17c86e18077e54a6353c1d436f9c9524ddd41667c2c. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QZAKB2312462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeed94a06699479d6f8e136b9401df5890514075916ff4765e18d8a418f643739. 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/QZAKB2203558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c6b02d1cd9e0eeb3c183d994efaad3779462ec11abb87a8acb899cb7a11f2da. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZAKB2200601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08a7dcfae045345b8e920f479553894d95a2cd903de7b3a9fd4a1b405d2b8088. 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/QZAKB2169630.
i don't wanna know you anymore (forest version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd96eb1ddb7193a3db7430ff3e0e09b6ac571dd5efebbf8745072f45fbc473e07. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QZAKB2167701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a01eff38b09e930536746e1cfe5f4a5574c4503917349696362e8a12d225bf4. 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/QZAKB2154392.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa486819de83a19efc4ff8902a97c7dbefb96a346ea52572edb9128a08a45d73f. 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/QZAKB2154396.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0433a17d56687f463499465e0b5aad22b670ca7b47d40b6c99fa4f5f3a099ab4. 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/QZAKB2154398.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdd17fc3dc6b82ff91440118415fc05c7362c0da082b108790370ee4d75751b3. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/TCAFS2193000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4d14d5d27788c0fdccb972a17c56a91a87f040d898e49f8547937c8d39ab593. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/TCAFP2185764.