Emmanuel Kwesi Danso Arthur (born 18 December 1999), known professionally as Kwesi Arthur, is a Ghanaian rapper, singer and songwriter from Tema. He rose to fame in 2017 with the hit single "Grind Da
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 0x5aaaac714094a1c0ea24d361ecb5756dd069638068fd29755fb451144d452b2a. 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/077c091d-b828-4393-acfa-2d3407b8bcdb.json and https://artists.proofprofile.net/proofs/artist/077c091d-b828-4393-acfa-2d3407b8bcdb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Grind Day (Remix) [feat. Sarkodie & Medikal]
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 0x6023b34dd9e51277a57c52b37d6a65d9075290c481dc9b7d9d76292f09231237. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/TCADZ1808360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa57c41cfe9643bb76b3ab20662755734b4ac8bf286733fb4a04cde201110000e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/US23A1501089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x094a76f0cfa35adf192afb3bd01474f1ccb5e7b3ca31f40559045c7fb8869066. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/US23A1501090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00cecde6bb106ace9e15bf85418c2a710ba499fbf2739a2f360320d0710baa2d. 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/US23A1501091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57ff6492e4fdb9b6c27843649d54670a60fd7d233a830b3926b6afdb15df41e3. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/US23A1501092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf85e55c25e63258cfed06f44a235e3200bb8e2aa55b2f39dbb54d47a540377a7. 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/US23A1501093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb541bd72f661bb32d81e7024996448a021ec970f7b20299fab56c1903cb88c76. 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/US23A1501094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec7883169121e1ff461230f2ab3027d6a857e82c814c3dba7c36091016ce23fa. 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/US23A1501095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4dd27af5d1e62108d017cf8f7648f077d8519dc7047549ae78878e4bfd4a036. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/US23A1501096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66689c4605dc46d97a91996d399f14c78b79c87b32b3dac8263460624b7f3f46. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/US23A1501097.
Thoughts from King Arthur 4(NewYork State of Mind)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbea3643f479174c323b4f1a556a0901f992c762510e29ad41bbc74d063210795. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/US23A1501809.
This Is Not The Tape, Sorry 4 The Wait II
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01c0e21b310506f729ad7c3da9f57cd6ed4249e766b421bb52e769607a5220f7. Chain 2 (Bitcoin): anchored in block 958202 (2026-07-15T21:23:21Z), 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/US23A1501831.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe40060cd820a2379ce976b5b333998da2eb8f505eb44bc7d5429d7ae85edc0ba. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/US23A1541356.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cb1c6dd224f0d601f07ba6f7d91b7b309697be599617a43ed7efaadc42032cc. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/US23A1546195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2a5b6c96bba2e3356fb0de7f016a96f681e411bb840c8356125f208c0c58092. Chain 2 (Bitcoin): anchored in block 957863 (2026-07-13T14:41:15Z), 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/AUMEV2416885.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b3e2d13102b4cb71655718963b7e3a081273b45cf329a5510c85078a457bf25. 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/QZHNC1942227.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3afc6cf11e339ca4114d068702373bd477fdb8001e8ea84f2977e8f43baecbb2. 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/GBX722100513.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd83afcba7f938ce582d8817890f27b035e9df6518b7b079e83778f3ce8b55d93. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/TCADZ1854000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a0914b20397e631923d641bc3e0ddc61feb7da0f809f0a9c7d6c94172a66ed3. 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/GBMA21886190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dd967ed337ef2397d425b4c00f52a694b2eb219bc084c73385e53044aff164f. 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/GX6852200002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3afc6cf11e339ca4114d068702373bd477fdb8001e8ea84f2977e8f43baecbb2. 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/GBX722100513.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75c407757ed686654face5a5e2502f0c3ec82cc905e18288e73247f983861d36. 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/QZSYP2227089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75c407757ed686654face5a5e2502f0c3ec82cc905e18288e73247f983861d36. 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/QZSYP2227089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b3e2d13102b4cb71655718963b7e3a081273b45cf329a5510c85078a457bf25. 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/QZHNC1942227.