Eric Rachmany (born May 15, 1984) is an American singer-songwriter from Isla Vista, California. He is best known as the lead singer of the reggae rock band Rebelution as well as its side project, Unif
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 0x61b49f9118a9ed9a06896da1a07775d158b91e70b5c8b8fd94375e06f625c824. 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/7e6a7d25-1be3-49f3-8f29-9027ec955a8a.json and https://artists.proofprofile.net/proofs/artist/7e6a7d25-1be3-49f3-8f29-9027ec955a8a.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 0xe4c33353e79fbdc3f87bb02549cc1b4d0a500f80cea2c2cef0ca54d4216f7d02. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/GBWUL1825758.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64cab935b443d5c2ad1da3e427f389852b7969febf37243a6998f9d4ced111d6. 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/QMGQB1300004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4aa45108dbc480b6af315f4e153b99e406dc1ba321618dabdb9586e144c88e87. 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/GBWUL1911075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b1b790556f10c008deec00f86071428e8b14c738d88a432ff9133548f7044e5. 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/GBWUL2086090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4aa45108dbc480b6af315f4e153b99e406dc1ba321618dabdb9586e144c88e87. Chain 2 (Bitcoin): anchored in block 957198 (2026-07-08T15:54:54Z), 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/GBWUL1911075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4aa45108dbc480b6af315f4e153b99e406dc1ba321618dabdb9586e144c88e87. 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/GBWUL1911075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4aa45108dbc480b6af315f4e153b99e406dc1ba321618dabdb9586e144c88e87. 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/GBWUL1911075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4aa45108dbc480b6af315f4e153b99e406dc1ba321618dabdb9586e144c88e87. 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/GBWUL1911075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa797be901c11a4ebf38d8f0b75c4498137cff9a53c23c4fc1280ffa7b965deaf. 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/USLF11500301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b16b8a6bae7be8882f1852a1d47a93515d1172e2a4d4a48ffd02f9b7571abc0. 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/JMA271500044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc46972f2847de7c68ba7a73cf9cf52b92be026fdd1dbd929d27504e95da9fd0. 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/US4CL1510105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc189e4cf15be5539cd750c96d64e61aea3775d93688bc232c23522e465dcd905. 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/USA2P1803106.