ISRC DEE471600333

Verified recording

DEE471600333 is “Improvisation 7” by Martin Stadtfeld, registered on the CopyrightChains blockchain with CopyrightID 0x7b8f912d50803a8999dafad8d222c79a7f0db300b4464f1daad8821472bf3f08 and independently timestamped in Bitcoin block 956302 on 2026-07-02. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE471600333.

Recording identifiers

ISRC
DEE471600333
Title
Improvisation 7
Artist
Martin Stadtfeld
CopyrightID (CopyrightChains transaction hash)
0x7b8f912d50803a8999dafad8d222c79a7f0db300b4464f1daad8821472bf3f08

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09+00:00
Bitcoin block
956302
Canonical record hash
sha256:40bb3c5d15ff5c0b1f3e63469df4a14de6ba26876133756e5fca6e79c7c34679
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE471600333
Bitcoin block existence check
https://blockstream.info/api/block/956302

Full record

Track page: Improvisation 7 · Machine-readable JSON-LD