Company Flow was an American hip hop trio from Brooklyn, New York City, consisting of Bigg Jus, El-P and Mr. Len. The group was at one time associated with the independent record label Rawkus Records
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 0x84c60770b98ab3ee405b2f4d203c89ce38a84b949382d91a0ae5e61859f1d726. 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/52153c47-f711-4c01-987c-7def2828332c.json and https://artists.proofprofile.net/proofs/artist/52153c47-f711-4c01-987c-7def2828332c.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 0x6947f4fb0021e854c63b9a200e8d5e339a22440f83cb965c4982bbbd53c7d3d7. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZNW72332736.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb096a4a217b95bec8eefe48ccd3a1b02ea482f354c13b05018843ba22350ff9a. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/QZNW72332739.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5095e1959b704a8263fac1fe4deb6b75540690339acd8505a0d49b32770dad60. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZNW72332740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x919e190e439e122b21adb0b8caa6a0bf53cbcc5edbf5d51dfcb5f2b4f218bc45. 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/TCAJF2517659.
Little Johnny from the Hospitul: Breaks End Instrumentuls, Vol. 1
Little Johnny from the Hospitul: Breaks and Instrumentals, Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6dbf25c6cef682b3377a362fd3163160f0e526d6b45a32d48a75fd391f52dd1. 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/JPB531400019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb6f27554d81a4c44afcdc3d94b73d9d9150783582141ae16151bea97b40a15d. 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/JPB531400021.
STEPPING STONES The Self-Remixed Best -lyricism-
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e3dffbc550cd617eb38c940d6e6a4a6b2e3cda1531384f5081debe79f1119de. 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/JPN200600103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e3dffbc550cd617eb38c940d6e6a4a6b2e3cda1531384f5081debe79f1119de. 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/JPN200600103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19ad336e7e1c06c974ca3193cd196eed1db1d392ef99e3be2fd5e5a92dcf0b55. 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/JPB531900146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98c42e30139aab48580147f1560148cd6af197abd3c54102fff2106842cb2ed3. 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/ES6080041109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec367c646b44193a8216105b06cab5ec473ea405ce878a38e48ac73ceead56e9. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/JPB531900195.