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 0x90b1123e4066e097ab4a5d755499455acb11c7cc45fb9e222ec74e09f674f2b8. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a2493914-fd0f-463e-940d-14c120d9a50a.json and https://artists.proofprofile.net/proofs/artist/a2493914-fd0f-463e-940d-14c120d9a50a.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 0xdce9077bdf17d5273fe685215ebce6103b3e152f39661b2628e82b4f4438be4b. 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/QZS7J2313269.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd315abf20979c9288ac7a5230e54329892b30bc86a3abf283144fb14786b2d95. 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/USA2P2205791.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x631174d8eb19c0691e1fbefa310f1587b67058677a3ba88fb0d32ab2587c0831. 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/USLZJ2457707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad8bec17cf2ae4aba751e404ff342f8c0e0fdff244cd41e0eb00db2e4a9bc8c9. 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/QZFZ62490553.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b0a087d5a0f8614e178c69a87e2f141531f01fa54483e626da396f0e5a1933b. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QZTB62399156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96b76aa77ee7ebd66f6c614ebc32a9468626a496114dad0e9de9e8f390e17aea. 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/GBEWA2303261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6882998239d7e470aa5e17565ae4202aa63687e88c69611fb47881aabf309da9. 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/GBUM92300102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15e15597588448121bb77799f48c8d4beab4ec8c1b136726bb5f66d4072d4101. 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/QZHN52314551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfca2c0b61f3bd72461d42436b0832d7d07fea1fbca3f2bdd04d6f0b0daa93b3. 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/QZTAZ2268577.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16685fe560ec403be842d0ce372160b84e7af103a80ac0d67ae5465dbb7c1dd0. 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/QZK6K2201322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65f3c7f369b70764de36940bdd92301d93fa678470839e700f393b8aef616186. 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/QZHNB2245778.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65f3c7f369b70764de36940bdd92301d93fa678470839e700f393b8aef616186. 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/QZHNB2245778.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedf3e90ed33db910e3f3e935ea7af1aed307c44526d3f3c01e418ce8b0908502. 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/CA5KR2227053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x531ad5954875d2f9440e53525709ad9ed1bc65c7a4e255f1d1b835d0fcf64bf5. 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/QZ5FN2261366.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe95c4ab4c38458028cb3b409cf26a2c678cb6cc591472066b6381479a6e75ee9. 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/QZ5FN2262958.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x883d4c23e7395f714fa7542af2f54b555d52bc6b2fdb1a7bfe856ed30bd2950e. 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/QZ5FN2262959.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x595759c840f28d598af07a67f497d3339f46f54853608bf68bd12d07a31c5398. 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/USA2P2151468.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x720bd39357ffa76daddbcf080c8badb64f7d1c8294457410e0200b2dae7674b8. 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/GBRKQ2194118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa9fd91741b082db3d8e5d579744f84195c4283949395c087d3fd602d50bf3c5. 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/GBRKQ2168623.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92a7391fadcbf35249918dcba308827233020ba078287b48654ca454d5549d39. 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/USA2P2122497.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd5556c55366026c3c5fe75edad409b871e35d8cecdcb96095f51ca4fe5803b3. 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/USLZJ2136204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe88439b8bcafdb7685bd7af61ac51d0e8c07f559ff115b3f8345293c659a7950. 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/QZES52152754.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7402d9f64c5d4ba39db1f09328dd8dd4160893451dbed1250b2b0564f86ec787. 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/GBEWA2303260.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96b76aa77ee7ebd66f6c614ebc32a9468626a496114dad0e9de9e8f390e17aea. 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/GBEWA2303261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0de59408468b05820f8c7e65fc2e261e077e4eae2e4fe9c087db9c207b207cef. 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/GBEWA2303263.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0b1c7f2e30ffb948113d9f1204b1faa2df8b6a4da0d986c0ce3e38c9686f4a6. 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/GBEWA2303265.
Seen You In Heaven (PatFromLastYear Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd22391ae0c1184395319b3dc266add9863c3fd6ad85444b7966d4f269f024fba. 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/QZMHK2040583.
Seen You In Heaven (Flay! & Felegs Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x900dd445ba27c83438fa27db24f47f2235a2eda1afb4b2167527c98006c20083. 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/QZMHP2058107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61854ec67c6b73ae4d678df64ab18723c87d8b52c1d841566abe1a10573b709a. 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/QZMHK2037340.
Enemies - Shark Mako & Nick Ashley Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c23cd3dd0089fe919df2c792248512467b3d8fccd7719c7d2fd68b9a340efbd. 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/USLZJ2136281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedf3e90ed33db910e3f3e935ea7af1aed307c44526d3f3c01e418ce8b0908502. 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/CA5KR2227053.