ISRC DEF055200013

Verified recording

DEF055200013 is “24 Preludes, Op. 28: No. 7 in A Major. Andantino (Transcr. for Guitar)” by Frédéric Chopin, registered on the CopyrightChains blockchain with CopyrightID 0x7d2882647099a9f0b428653b2362da340c698f61590c98612cde52bc7cbb82d2 and independently timestamped in Bitcoin block 960117 on 2026-07-29. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055200013.

Recording identifiers

ISRC
DEF055200013
Title
24 Preludes, Op. 28: No. 7 in A Major. Andantino (Transcr. for Guitar)
Artist
Frédéric Chopin
CopyrightID (CopyrightChains transaction hash)
0x7d2882647099a9f0b428653b2362da340c698f61590c98612cde52bc7cbb82d2

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T14:28:24+00:00
Bitcoin block
960117
Canonical record hash
sha256:9c306dd52aa4d1a687377dd5cdea679ed9f2a2bfebda00d2abb7574fbd1445db
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055200013
Bitcoin block existence check
https://blockstream.info/api/block/960117

Full record

Track page: 24 Preludes, Op. 28: No. 7 in A Major. Andantino (Transcr. for Guitar) · Machine-readable JSON-LD