Hyper Crush is an American electro-hip hop group from Los Angeles, California, consisting of rapper Donny Fontaine, singer Holly Valentine, and DJ/keytarist Preston Moronie. Background Early career
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 0x7e927fdead4b3085fc63e117a38dbeff9fec51313913bd7fe8cce3a08b1ce667. 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/04bc62fc-4138-44ed-b30b-838323be06c0.json and https://artists.proofprofile.net/proofs/artist/04bc62fc-4138-44ed-b30b-838323be06c0.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 0xa11bd145548c7dbac5424430128b782113023b69efb363c8680ac8cc6fec98e4. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/USTC40883250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c92403153d6728e5aa2e0483d695a175450b8966905aaa5cd0876f67f0f5af6. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/USTC40883251.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x469fb4d714ca2ce310faa3c7e1c7b6c4d1a07de125a1a9ebf1a449635ed05f02. 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/USTC40883253.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11a31fb5668f90926d6cc19e7f206e2dc5bb99076c7aa848d7aee0458e4e4a4a. 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/USTC40883258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1644ee657b8f706a9df7d7029e86cb465c73fbb49367bb0f44452b6aed83e1fe. Chain 2 (Bitcoin): anchored in block 958134 (2026-07-15T11:47:20Z), 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/USTC40883259.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6ecc7248e8719d2f39aabc5ad41e5600e6b28d6d47f3aa7d4c4d839355d894d. Chain 2 (Bitcoin): anchored in block 956742 (2026-07-05T05:07:15Z), 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/USTC40883262.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a6dd29af1724f2fd67b61df9a98df4f0a074bb41d2379c0e0402256b8682e7e. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/USTC40883267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20ccae493eaba545e6fc01a7e6086db3c19ed7e4a63bfd906ace7cf61004be92. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T18:00:21Z), 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/USUM71019976.
Keep Up (Tommie Sunshine Brooklyn Fire Retouch)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27d7beee62efc47b6ec1853240f2196ae13d8980e0a5316df1023cd4d73782b4. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/USUM71001425.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b2413358cc16295d6172dfb8acd72ed7ff257f3a27eed93fe67f4ccb4b5a2c5. 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/USUM71100753.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b2e97eb7dbef7103e036556a83c0ce849d4337ccbe96cd590d10df2d51dd127. 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/USQY51213387.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x316f2dc9428e15a8fa0eed7c6307553b2e4a86908c5189de817dfc3d53f7488d. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/USA2P1189900.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba88d4bf1661a45abef92be43d2fd0c717418a8a8bc0415de478185eccf62b0d. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/USQY51213390.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93f868eb947310ca19fdf0f18797292a3cc2892113c71781be9c0d066f89fe7f. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/USQY51213391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c69961e95d2a7ecc7c3542444c8ce8fab604ecc7d7212ccda9183e4053d85a7. 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/USQY51124104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e4897e584b8111e436d03a932539f016464108543c8c1ac51864c76b0ad2d53. Chain 2 (Bitcoin): anchored in block 958602 (2026-07-18T19:28:16Z), 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/USQY51110334.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e853c5d423d50efc5e2b73469ee0d13e0913102b8d745e70cf91aae6256a65a. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T10:57:10Z), 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/TCABG1297371.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bed69c38a33ad395a6bf2a5c532315a936b13e44d719a3a816bbb2c7b7b6606. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T13:22:15Z), 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/USA2P1356395.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63fe328fab36dfbee9b0c2eb20e900f694ae81d304a210ba6e2d845f82d1d8a1. Chain 2 (Bitcoin): anchored in block 958617 (2026-07-18T22:07:13Z), 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/USA2P1356396.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44415afb6ac057c370e083f44e94ea2acf6d69d5658689cd79590834020f8d14. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T07:17:15Z), 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/USA2P1356401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3ecbaed1cc6c46d6671270149ce977a2fa1d179381431745aa86139a928e7c8. Chain 2 (Bitcoin): anchored in block 958134 (2026-07-15T09:14:08Z), 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/QZNJX2021700.