ISRC US3DF2556994

Verified recording

US3DF2556994 is “Opnið Valgrind” by Matoma, registered on the CopyrightChains blockchain with CopyrightID 0x411e02611a48abfe6081d2cf8f5829dde9d28617dd8b4627cf6558b2853464d2 and independently timestamped in Bitcoin block 956304 on 2026-07-02. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3DF2556994.

Recording identifiers

ISRC
US3DF2556994
Title
Opnið Valgrind
Artist
Matoma
CopyrightID (CopyrightChains transaction hash)
0x411e02611a48abfe6081d2cf8f5829dde9d28617dd8b4627cf6558b2853464d2

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08+00:00
Bitcoin block
956304
Canonical record hash
sha256:9748744011065cec4c419a9c38ca1800eb2ddba153b71d17e81da5dff514b901
Verification API (seven-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3DF2556994
Bitcoin block existence check
https://blockstream.info/api/block/956304

Full record

Track page: Opnið Valgrind · Machine-readable JSON-LD