Cobhams Asuquo () (born January 6, 1981) is a Nigerian musician, producer, and songwriter. After working as Head of Audio Productions at a local label, Questionmark Entertainment, he set up his own re
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 0xb47a6adb26594a097d9d4ff06c67ca1f10ea9359966c528e964bd236a251d205. 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/9e37e3a0-7af5-4e47-ace5-d33688a5f3a8.json and https://artists.proofprofile.net/proofs/artist/9e37e3a0-7af5-4e47-ace5-d33688a5f3a8.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 0xe5ce08aac7ac6d4aceb3e2150a637ddfa19237aecdbf25a05153808e957ae0ac. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/TCACD1568110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d62ff5edb8b6293a199d3a6ace30df0283ffa642c1581da803c873f04f11089. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/TCACN1667703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x195e70cf8e2ca12343f5a346512ba77ec08dfd0b903fc2954d692df4df47b06e. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/FR10S1840249.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x808862eed553dc798008ddec366795d6652adc9bf052154b1a51d38c0471ff37. Chain 2 (Bitcoin): anchored in block 958700 (2026-07-19T08:09:50Z), 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/TCADQ1895201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48766f19cec91035d4e38b24759597dbe5299bba25b2f1073937c50b4128ff9c. 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/QZGLS2281654.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38aac2ae19779bb66c13e79afc5913a7db786a99556c6f3fdc8a7f4757134bce. Chain 2 (Bitcoin): anchored in block 958834 (2026-07-20T05:55:47Z), 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/NLRD52041524.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e8f77adad4050c0caaa6e4698d5e8e7b17333fa3f7356fa9346c89cc36f12ef. 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/QZW9N2205331.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb42448eb94a4a9e2852c77f2ef086ad15bb785f753f58435141a464ecea69e22. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/QZW9L2350833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x304ebbd9efaebd662a6ffd24725f8e577b64a2e6396fbef3d1b97f854e1c619b. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZNJY2446506.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x434fb92dff6f883551f07f35a5d036043132d9650866ed035210948d9860b318. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZGLS2582665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa43fc3719dc6d736fde9f1bd361f7e0c7d015446097fa9b15c86d31aeb82f85a. 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/TCAGS2237895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6a1dc6e0d6585ab0d083730095b93dba23da4c9264eada58dd30ddd4acd8283. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/TCACJ1512940.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc74c847496f48fcc4bc90593bcbbf6a1f98c03a15aa2badd3e5e75be83e4211c. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/USL4R0755380.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ec3071a2de777813a5b14f3601c25917453a97401081a432532242885bcbe2f. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/TCADU1804085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46eb332401f08341f3b07cc79f64112efc7e9a08b4e44e658f59ff71c52cfecb. 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/QZW9K2385007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18024f80c048e84200f38f4a2a797164bebc80108e757a84bc2e60d27f1047d0. 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/QZW9K2385008.
20 Years After EJI ÒWÚRỌ̀ Concert (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8d8454c84e499f3f8985bba676ee79817e8c97c21d3f86601b296a51f2e894d. 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/NL8RL2454586.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9675c4fd0878811f41b21971aa2ad04ee25b98e31ea0008992ea36c890da8808. 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/NL8RL2454485.
POWER OF NAIJA (feat. Cobhams Asuquo & OMAWUMI MEGBELE)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x348bc030daae24032e1808103cf2bd0d6cb1dddc40d8262796c9715cb979957e. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/ZA56E2528477.