ISRC GBBBA0040404
Verified recording
GBBBA0040404 is “Songs from "Des Knaben Wunderhorn": Das irdische Leben” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0xbbc0f9f9f0e808e53e6e9c228b27f6ad627ed5a1cfedfca40ec6f73da247aefd and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0040404.
Recording identifiers
- ISRC
- GBBBA0040404
- Title
- Songs from "Des Knaben Wunderhorn": Das irdische Leben
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0xbbc0f9f9f0e808e53e6e9c228b27f6ad627ed5a1cfedfca40ec6f73da247aefd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:b453447bf4b0b9524cc6ebda17c50459bcb77c7a41de301f1220dfcd5a438de3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0040404
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Songs from "Des Knaben Wunderhorn": Das irdische Leben · Machine-readable JSON-LD