ISRC GBF071700200

Verified recording

GBF071700200 is “16 Waltzes, Op. 39: 15. Waltz in A Flat” by Johannes Brahms, registered on the CopyrightChains blockchain with CopyrightID 0xf8eeb5493c42423776de2bc9a31d5a3c8614a09d24425bbf37ec6d0e2f957a19 and independently timestamped in Bitcoin block 960179 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071700200.

Recording identifiers

ISRC
GBF071700200
Title
16 Waltzes, Op. 39: 15. Waltz in A Flat
Artist
Johannes Brahms
CopyrightID (CopyrightChains transaction hash)
0xf8eeb5493c42423776de2bc9a31d5a3c8614a09d24425bbf37ec6d0e2f957a19

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T00:39:11+00:00
Bitcoin block
960179
Canonical record hash
sha256:f9654c92a60b998fd2dc1127876f3773db04aba6110e0583c0d804ad32b28986
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071700200
Bitcoin block existence check
https://blockstream.info/api/block/960179

Full record

Track page: 16 Waltzes, Op. 39: 15. Waltz in A Flat · Machine-readable JSON-LD