ISRC USQ4E2201068

Verified recording

USQ4E2201068 is “Symphony No. 5 in C-Sharp Minor / Pt. 3: IV. Adagietto - Rehearsals” by Gustav Mahler, registered on the CopyrightChains blockchain with CopyrightID 0xbbee450c7ec0748ae2163d98792d69a2a532f174afdbcb3d5cab9486fa07b071 and independently timestamped in Bitcoin block 956304 on 2026-07-02. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQ4E2201068.

Recording identifiers

ISRC
USQ4E2201068
Title
Symphony No. 5 in C-Sharp Minor / Pt. 3: IV. Adagietto - Rehearsals
Artist
Gustav Mahler
CopyrightID (CopyrightChains transaction hash)
0xbbee450c7ec0748ae2163d98792d69a2a532f174afdbcb3d5cab9486fa07b071

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08+00:00
Bitcoin block
956304
Canonical record hash
sha256:a7794e82601db12d88f0cfe8e64a2d860e6ab950ca78d9f4e53bf44a232c3b4e
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQ4E2201068
Bitcoin block existence check
https://blockstream.info/api/block/956304

Full record

Track page: Symphony No. 5 in C-Sharp Minor / Pt. 3: IV. Adagietto - Rehearsals · Machine-readable JSON-LD