ISRC ARR4B2100038
Verified recording
ARR4B2100038 is “2=1” by K4,
registered on the CopyrightChains blockchain with CopyrightID
0x0fb9ab4fe573126c83ba58ddb96e5177dae156f79c7c2364bd23d92f3144c7fa and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARR4B2100038.
Recording identifiers
- ISRC
- ARR4B2100038
- Title
- 2=1
- Artist
- K4
- CopyrightID (CopyrightChains transaction hash)
0x0fb9ab4fe573126c83ba58ddb96e5177dae156f79c7c2364bd23d92f3144c7fa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:624b5466bc8dfeef2cf2c2d1b57711c83e26188c5b803634ece9434974e894ce- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARR4B2100038
- Bitcoin block existence check
- https://blockstream.info/api/block/960284