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 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 0x1309130a1700858e88cbd79d8be056642e782a6d7da6df70ab66b2736fe5afd9. 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/c2dc605a-8ba9-4b11-9586-55fde79cd31a.json and https://artists.proofprofile.net/proofs/artist/c2dc605a-8ba9-4b11-9586-55fde79cd31a.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 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 0x8fd8852935d8652e71a9fb17cb2c72b278e32f96400040f7a4798b6e6fa5aece. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/USLZJ1981851.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccd9e553f4c1346cc1720a3e36566cce15d8e7374ff5a90dbf18f95eee75048d. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/GBWUL1929533.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae725dca189e8f936ca3f13fabee9440b6b8d6b6a6741906026ba9c00c2ea49f. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/GBWUL1930808.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c438fae6e1e4c4bf90191f4d79e3d8363b24ad64ac802ee09895065348db20c. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T17:59:52Z), 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/GBRKQ2246933.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3697c7e430591ee606ff85122d621a16df1b4392385f00bcc5d1ad29bad072e8. 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/GBRKQ2289475.
Cheated (Afghan Headspin & Pluvio Remix)
Cheated - Afghan Headspin & Pluvio Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f1fc9b32ebb758bc9d40215b286de6543de958d34323cd5bfff540fd6e02044. Chain 2 (Bitcoin): anchored in block 960309 (2026-07-30T20:35:49Z), 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/GBWUL2249023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe56bb593744b13eff5a0cc639808d14c94a95ae55a3b64c5ba5afb0ed7674df4. 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/QZTV32229969.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c6347b12a3844ce4633815a8fe63dd9898b456f8af74bc76cfdff0a7d0d16bc. Chain 2 (Bitcoin): anchored in block 956745 (2026-07-05T05:33:35Z), 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/QZTV32250415.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fbd78458d630707e9811864e832a1c5946305dd3999c05be683d6475a76f434. 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/USLZJ2345482.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf15cdcb660b8a126a063f03192de8bedf656931ab6d603bcb5769f71da60b70e. 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/USLZJ2399102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce72bc4158bbaf4ba70721fa1e4b7dee40d977852751d2872dc7c0d3da54cfb7. Chain 2 (Bitcoin): anchored in block 959051 (2026-07-21T19:48:03Z), 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/GBWUL2310721.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa4d23c16683a57d5c4d8e29bc4f23e1e4822a7a80710ed8ef258e62145cde36. 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/GBWUL2374245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39e6af469e06b577bbb1a55ca9e830fdead8c626d9deeaa049c9eabc5775844a. Chain 2 (Bitcoin): anchored in block 960167 (2026-07-29T23:42:34Z), 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/QZZ8A2366713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd977c764472aa89dc6135f9f9d0d56491035b8a25a26c82950152887b424c63c. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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/QZWV32453513.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b03e1e23382b5446efcb75a93e1ac04c4d4af061b9b3a0c05270472a58351d7. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T06:12:52Z), 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/QZZEB2441543.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf38c582e798285ebbb6b6b06c412dd93a765d0df8bd86c3a53e42500f7f12675. Chain 2 (Bitcoin): anchored in block 956578 (2026-07-04T02:23:20Z), 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/USLZJ2515870.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f193be22405f05b71554eba84b587bdef8971dd987b522c48303cf9518e5e22. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/QZTV32535494.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67a487882e1d3eca92b04e6a40a4d383ac41eefce73abd1044b1a50ee37d6ca3. Chain 2 (Bitcoin): anchored in block 957779 (2026-07-13T00:19:08Z), 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/QZWDE2508402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb36203bc77c14e863221f75a5ee200e3a0798f7c7cfc984493a8060580cad59d. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/GBKQU2536320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91698b12adb57d5cb3ed412005056e794e14b349eae407a594c8ae9b5e12aca5. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/QZWDE2567177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30fe2dc43092234170da3d44e36db228f472cb091cd985c0c52652493c34cca2. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/QZTV32575150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x843d2fb33a2d35d05d55046add9feee200d621a89cef8872c939e844e7eaf925. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/QZ5FN2351695.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04c64284f8076e4bcc2c08067a114bfdb61ea4b4f8592f924217416496af8994. 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/QZ5FN1853243.