ISRC DEF067415940

Verified recording

DEF067415940 is “Opus One” by Bert Kaempfert, registered on the CopyrightChains blockchain with CopyrightID 0x8e6d8be15da030785da1ced1267467dc16dc59c8d64e49267c5aa3212befd840 and independently timestamped in Bitcoin block 960138 on 2026-07-29. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF067415940.

Recording identifiers

ISRC
DEF067415940
Title
Opus One
Artist
Bert Kaempfert
CopyrightID (CopyrightChains transaction hash)
0x8e6d8be15da030785da1ced1267467dc16dc59c8d64e49267c5aa3212befd840

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34+00:00
Bitcoin block
960138
Canonical record hash
sha256:9476f67c87737d54ff0e7f84470ff84f61a2f36ffd4008d0276afd0adae11cd2
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF067415940
Bitcoin block existence check
https://blockstream.info/api/block/960138

Full record

Track page: Opus One · Machine-readable JSON-LD