ISRC GBBBA0040401
Verified recording
GBBBA0040401 is “Songs from "Des Knaben Wunderhorn": Der Schildwache Nachtlied” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0xa989a5757c10a68d5d55a1cb61f6e07fecc3b0e27076359d0d316d58e84c84ae and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0040401.
Recording identifiers
- ISRC
- GBBBA0040401
- Title
- Songs from "Des Knaben Wunderhorn": Der Schildwache Nachtlied
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0xa989a5757c10a68d5d55a1cb61f6e07fecc3b0e27076359d0d316d58e84c84ae
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:8b92c0fee81e934b3cd1a86669672ea8ab9c40c13d2aef0b0e603bfcca521bc2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0040401
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Songs from "Des Knaben Wunderhorn": Der Schildwache Nachtlied · Machine-readable JSON-LD