ISRC GBBBA0040402
Verified recording
GBBBA0040402 is “Songs from "Des Knaben Wunderhorn": Wer hat dies Liedlein erdacht?” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0xe5a2b2bbfa164b8bb941839165f727f7e25b6583ad0d4dbde5a3d58670ba236a and independently timestamped
in Bitcoin block 960302 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0040402.
Recording identifiers
- ISRC
- GBBBA0040402
- Title
- Songs from "Des Knaben Wunderhorn": Wer hat dies Liedlein erdacht?
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0xe5a2b2bbfa164b8bb941839165f727f7e25b6583ad0d4dbde5a3d58670ba236a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:09:33+00:00
- Bitcoin block
- 960302
- Canonical record hash
sha256:349fbc55644ce5d6d895f3636073d66d27da3293bf66c2edec872e46e0f3c61a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0040402
- Bitcoin block existence check
- https://blockstream.info/api/block/960302
Full record
Track page: Songs from "Des Knaben Wunderhorn": Wer hat dies Liedlein erdacht? · Machine-readable JSON-LD