ISRC GBHZU2513305

Verified recording

GBHZU2513305 is “Symphony No. 2 in C Major, Op. 61: I. Sostenuto assai - Allegro ma non Troppo” by Robert Schumann, registered on the CopyrightChains blockchain with CopyrightID 0x1029b9c06958adee324c014ca27dfc97c1ecaba2c7f2c1a2d8b927b6e93796b4 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/GBHZU2513305.

Recording identifiers

ISRC
GBHZU2513305
Title
Symphony No. 2 in C Major, Op. 61: I. Sostenuto assai - Allegro ma non Troppo
Artist
Robert Schumann
CopyrightID (CopyrightChains transaction hash)
0x1029b9c06958adee324c014ca27dfc97c1ecaba2c7f2c1a2d8b927b6e93796b4

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09+00:00
Bitcoin block
956302
Canonical record hash
sha256:2239b5b0b89c9f6f06acf1b0f4edef420ac5a64f5769ff9c2e0fdff9e3ed1ae5
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBHZU2513305
Bitcoin block existence check
https://blockstream.info/api/block/956302

Full record

Track page: Symphony No. 2 in C Major, Op. 61: I. Sostenuto assai - Allegro ma non Troppo · Machine-readable JSON-LD