ISRC ATUM71500143

Verified recording

ATUM71500143 is “Der Nussknacker, Op. 71: Ouvertüre” by Pyotr Ilyich Tchaikovsky, registered on the CopyrightChains blockchain with CopyrightID 0xe5bfa2e2a7aca587466b2011776a2b4ab7215b4e810944657e58831d0bf643f0 and independently timestamped in Bitcoin block 960298 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATUM71500143.

Recording identifiers

ISRC
ATUM71500143
Title
Der Nussknacker, Op. 71: Ouvertüre
Artist
Pyotr Ilyich Tchaikovsky
CopyrightID (CopyrightChains transaction hash)
0xe5bfa2e2a7aca587466b2011776a2b4ab7215b4e810944657e58831d0bf643f0

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T19:26:00+00:00
Bitcoin block
960298
Canonical record hash
sha256:3d779d3156186c63887c39dd30a4ed7a2cc52c76b8a2688157f5cf4ee014a90f
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATUM71500143
Bitcoin block existence check
https://blockstream.info/api/block/960298

Full record

Track page: Der Nussknacker, Op. 71: Ouvertüre · Machine-readable JSON-LD