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 0x934fd73de1270f3b4a5acfb3f788e9afe9458cfb5b0e6d5203bbaf0a99ee2689. Chain 2 (Bitcoin): anchored in block 953768 (2026-06-15T09:30:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c1ccd2bd-87a1-4673-8f08-2f94c6618924.json and https://artists.proofprofile.net/proofs/artist/c1ccd2bd-87a1-4673-8f08-2f94c6618924.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 0x0d3a321d47c2127b4d81e75e9ae535e9d7fcdfc80ab6f558167ebe9a93539d4d. 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/QZ5FN2334858.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8fb9a2ee3594ed77776baee5a3e7077eef0a7ecfaa304cb1097d5c07d593ca5. 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/TCJPT2285638.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3951cd8957cf3755670a51cd7c867dff77b3f20426e79f47be5a36fb6a79af54. 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/TCJPT2285649.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a15d4a27efbcbf154ae481d5d25627eeaa25ae1c3a57e1c2dd18c50262bd2e8. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T21:00:25Z), 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/TCJPT2285651.
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
blizzard (feat. sheidA, Lil Roar & tovgo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cc9eeffe58a5286ceb41fbcd404d70b2d244039f503eb7b4e859b9e03f5ceb8. Chain 2 (Bitcoin): anchored in block 960340 (2026-07-31T03:15:04Z), 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/TCJPT2285635.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9a52755d69dbf57ecd9cd73693d01b3b13d20d24e85f94ec46b66de5e718c55. 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/TCJPR2229594.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10436beafb6470716be143544bd408bc14eeea1154857ea412b74ffda80098e8. 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/TCJPQ2165332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3af695b1ed6deae5635e457bbae1451c648404a43016a7816c356906f61d645b. 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/TCJPQ2165348.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40302fa5ea78ff9fce06acdf101fc840220944c9f440bd19b59696e5a336d0d8. Chain 2 (Bitcoin): anchored in block 960429 (2026-07-31T16:07:24Z), 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/TCJPQ2165362.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x120b0ef0f262fdc00298fbd3f4c9f35a906369d597753c5a8d01296c9f26fa86. 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/TCJPS2246249.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1882ab5decb0f28b80dd665472ccdda696a6558d12340cb407cd74a68d551a12. 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/TCJPS2246251.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x055169dfd0a5c0f34055e63391090f877c3ecd8ef17b7e537cfd64d305464757. 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/TCJPS2246256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x067b48756d2aeb6c18e9a07115bee408e07ae0176ec98ae03a751f14196edf7a. 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/TCJPS2246259.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x482500274fa70d9c1128dc57b143242283c0c1935f36d25fe1d00ca4ddf211c9. Chain 2 (Bitcoin): anchored in block 960181 (2026-07-30T00:53:20Z), 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/TCJPS2246252.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0527954d3b726862a5bb5d0834d5e7233e6a857f5b72a5c28bf7e56c96d506d5. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/TCJPS2246253.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd34a854be005c5c47e1a98af919eeb444a58b4ae4fc2249711ff7aa53fca10ac. 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/TCJPO2100513.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x189abd21262cd18354b8e0f89b46726db30b552abc220c27e1966be9ea9cd6b7. 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/TCJPQ2288079.
Takeover (feat. Lil Roar, BENXNI, TAHITI & SERI)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1df930b9e2b77d9ebd7e6206161879d54375eae72014b0ef25b794dcf8e0e21e. 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/TCJPP2152583.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7990a3b1ce0cdf8dad12fe5f688d280cd9bb8476050a21c6795b878a548149e9. 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/TCJPS2215763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88ff87fd3287542290cfe3b98d73d11766d540e2b3452450e0de01b84b80da30. 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/TCJPQ2107971.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0168bdd20339f048a34106378e21b49557b27c90869831187bb32f1cd17e2720. 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/QZMHK2020856.