Los Rakas are a Grammy Award–nominated bilingual hip hop group based in Oakland, California, consisting of Panamanian cousins Raka Rich and Raka Dun. Their style consists of a mixture of hip hop influ
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 0x26c435cab7e8929edafc6a87f29177553d8969959dfa84daf16b026d34076f87. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b6a747df-2ba2-412a-9d0b-12df6faff74c.json and https://artists.proofprofile.net/proofs/artist/b6a747df-2ba2-412a-9d0b-12df6faff74c.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 0x5b4216f24d89ffb16b30c0451bb9fc6bcda230c1953b35fcf49ceadea866a541. 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/DGA0P2316750.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8074127cb9aff760f3959021d9414a6cfa7ed54813e2a8f9a2e945e1dc0428f8. 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/ITHD42000053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ad788b711c0cfb190333b3830b71f08b132dd761cc73951e57bba9e829157d0. 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/USQY51710508.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c0e707c47082b11324a4cf58d5f6b8233935964c36c6bef025c25bc759a0177. 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/USQY51710509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1209c3fe0ac37ea9081bac32ae399c764f22c90f58b4a6062283610401e5b4fd. 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/USQY51710510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1641d6134abc377f1dcb861408547534e05b88238f58abc1b6e1027057758b32. 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/USUM71515721.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2a4fa37acd3248e8c5087b14ec5bae2596d8f4396e5198de9ed1fa64c71527e. 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/USUM71603230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda50873724ee30984eaa2a26510fbed374c7c1098f745d773e2f4942316fbb83. 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/USUM71402097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb171e1fcfb1986719f7a1dcde2667bd66f72ebebf8137e8803c05dba1b6e5c0. 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/USUM71402100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb89c7eee8a39f187980775f94087e0686bfebd1b5aa500693463a1d16edde88. 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/USUM71402104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd86ace9d86ae50c2cbe1aa1fdda88478f854e9a3349c9bad409b58f588f77fc. 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/USUYG1013196.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e508ff5225ed4ceb6d608bdc108e58d63feb53e6856c0d1732867d772114fa2. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/USUYG1013201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89a81acf79b0f0a35095967a68652eaec931cdd8e248fff409845b4c01633029. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/USUYG1013202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c44f56ac93f0bd5e20b38d649df464f847d4bec1829001f77e3f720e6fb726c. 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/USUYG1008616.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae6b3ab94768b5125947651e1a52ad6dbaa2ed49ee93e125fea8c26aa6bde558. 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/USUYG1008742.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdc4c64c0edc7ac398d23d35fc5edfa3d3aaef140154e85526b95c10e0dbe5df. 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/QZTB62338338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa515c1a17b2be9bc7220dbc0e017b5f95f8b047690d92be95fa6641c8e2d2ed6. 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/QZNJV2167396.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfbed4652ab2efb184b3f7698863aa778634e950cdc39051eeb53fa597cebd40. 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/QZMZ92013062.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef83c97fdfd0c2d9648df02e01620ec8ec3e193f9121c1b466b1514b9b8731d8. 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/QZFZ42490825.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21e99f17149d78a6abc0943e99e6172c306164caf03f14b56fa59e7369584703. 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/QZZ7M2434999.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd893281b0384b956b3baf913ab64880b98a2a6b61d26d3402a0c9b42a5b5711d. 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/QZZ7M2435000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b49f765cf4bd522771e912d9bd58dd8061ef134c239a0560adde5eb38b48782. 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/QZZ7M2435001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b731fe2ba5d66aba320149e7b54d07fda387007fd9394577cc5ecf5d30633b9. 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/QZZ7M2435002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d30bf56d30d6434c8d4d1397babca6d476afc3a4e5e98bb65d079c113fa53ee. 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/QZZ7M2435003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cece856e1009eef0cfd09f8396640d0da17de41b6445946ae2aeb0e96b8fd19. 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/QZZ7M2435005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e4bb6ac32e9068923c3ca66bce81d079e34266afecd77d6210a4be28ed2289d. Chain 2 (Bitcoin): anchored in block 957025 (2026-07-21T23:36:31Z), 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/QZMEQ2422090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8074127cb9aff760f3959021d9414a6cfa7ed54813e2a8f9a2e945e1dc0428f8. 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/ITHD42000053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b4216f24d89ffb16b30c0451bb9fc6bcda230c1953b35fcf49ceadea866a541. 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/DGA0P2316750.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0c7b878ed9ad8be623657d9f505ede20fb172b4246879b8c626ced951d4e331. 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/USUYG1248258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8c904ea444df5badce87ebc303267a795c050ee43d83e8e5568a641cb7e3a39. 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/US7VG1000144.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32925b1b7eb8350c3817356cd5cb89632e8ea6d8983cd0746c890055611ad8b4. 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/US7VG1000148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e4bb6ac32e9068923c3ca66bce81d079e34266afecd77d6210a4be28ed2289d. 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/QZMEQ2422090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aae4268c7d2f8c40af2873565903adba509495ae6376c21447089ab03cd7114. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/TCADN1814443.