1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xfb4959054077281995ad3b3ca38fef2aec5d3b780f8e909f5e54e745e7b5c5b3. Chain 2 (Bitcoin): anchored in block 954631 (2026-06-21T02:46:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d108dcb4-30dc-4cdd-816b-388914396810.json and https://artists.proofprofile.net/proofs/artist/d108dcb4-30dc-4cdd-816b-388914396810.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 → block OTSBitcoinBlock must exist at that height 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 0xb972a7f87a00bee0153e3bfb2eece49deb63a6e3e7193fbb08df8646ee9e31ca. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/FR0ML2400040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e3035cc9b720e0bd38843a797434c5559d3905163a6cc2958627d319cd185df. 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/FR0ML2400110.
L'effet domino - Puma & The Dolphin Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73e35e10adb4a019966f2ba4478a16836d242f18789f3d08b1e889e41d2c5af9. 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/FR0ML2400120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6685c40bfe43fc60c14b017c9e8ab769668c1cd2f878595f3549fc7d0638eb05. 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/FR0ML2400130.
Elsewhere Junior II - More Cosmic Kids Songs
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c9ffb5cb364d65753b462d829da1305638e3aa0c8b2ee23230eb21197564dcb. 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/DECY52301632.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3138a2fff18b6fc2837bf76d8de2f27e836291e078ffbdfd24613c8c0922ca8. 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/DECY52301633.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41b88241aed68d061835a4ce31dbd12f4ea08a522919981bc2b7611975b72c1e. 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/DECY52301636.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaaa6b9f5f5106b750c1bdc3cb0182b9394cb826067eb9b9a9da772651aabc588. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/DECY52301638.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc28a628b31d70dccf8514c19fd667896d46d913acc1e272ab1effc1ea0b6cb2c. 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/DECY52301642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc73ae0683bad8d608dd62b4ec43e876ca291f36de1aa736af7203d2fbc13a85f. 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/DECY52301645.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cfb6a49e08a5642ab5527d1e4d71f5e906625508561f56e4e2f037a735494b7. 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/UKCD82300023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5385936daa730f74d25cd4d45cf843b32f8cde7ff36ab1b5a6706ee054c0d1b. 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/UKCD82000034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80ae1f754364b8e30ca3332fc8ca66f4e42f0d3ac4de3ab53fcce70db58cf3dd. 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/UKCD82000037.
Future Sounds Of Kraut, Vol. 3 (Compiled by Fred und Luna)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8a86e93027dcc3145c37af9bdd13eeb124723495c4e12c7a022dbb5803bc0a4. 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/DEM092400115.
Meine Muse - Rework For The Düsseldorf Düsterboys
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1458747be1c57e44d49ad1667205cdf5f14c7b0b15efbba89267787e9d2e9c4b. 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/DEW282300041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5da7ed1273fb1cf277f5a2dd6071b3e9dd96ace3f7eef229ef6644f5bb478ad. 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/DEW282100010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce6ad31d7c44d0b0e588bb993be3062728786abca0a8d341a7f721aed0780a9a. 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/DEM092400116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2053dd96e389840b19286ecb96300130de037aab16d26e9617e6fb93ba005cf7. 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/DEW281000007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c678a9d014cf216246dd03c7eab5e935edbb801b5c40a39a8076555cfd0c34a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/DELI52203711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42936ed6da06e6ee833262ebe393dadb05be57fb4937e6ef91724d57dabdb91b. 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/DEOV42100900.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x704c7a10b3dbeb4ffbf735e80daf7719e98cd544b175cc931c8d7d19656508a4. 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/DEU671702322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8eec643129c8d8e0740719e425a190ea66d974e142ff0ec6cb77927773675f49. 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/QZXLZ2314036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x820942e65d761aee4682c9abd22a24ddf12b92024130e8febdc4f38f0e5c50e1. 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/DEM092400118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4455225aa7058ecac5e38c51c15f0259466bb00976a5836e27db539051f0a31. 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/DELI51501799.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde4ff01bc7389f74f2b2f7b3d1a4dd5badb8cc9392d6130959d4c18a426864dc. Chain 2 (Bitcoin): anchored in block 957056 (2026-07-07T15:15:30Z), 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/GBMCZ0601101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x295fe75d58e8be3a9f87c7071513e538ea53d0abf81bb3fe97eaa28b45f8689d. 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/GBMCZ0601106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda5663722a83b7698c812fa159ed49b5055045c52be3a7dd3121231a734c6b8a. 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/FR0ML2000070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c02542fc3a3293ce1faac9d3ab8de114eb1ee4bb1773f8d52e69ad68202fe06. 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/UKCD82300027.