ISRC GBBBA0040403
Verified recording
GBBBA0040403 is “Songs from "Des Knaben Wunderhorn": Der Tamboursg'sell” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0xd2e2e4fadfbd0cbb2700cbd4d6fe1b8a4ad83dab500cdd95c6bf92a833c2854b and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0040403.
Recording identifiers
- ISRC
- GBBBA0040403
- Title
- Songs from "Des Knaben Wunderhorn": Der Tamboursg'sell
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0xd2e2e4fadfbd0cbb2700cbd4d6fe1b8a4ad83dab500cdd95c6bf92a833c2854b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:17955c15c215ba5962ca2d6153144780eaa544908b954495b75c8142b854ad64- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0040403
- Bitcoin block existence check
- https://blockstream.info/api/block/960473
Full record
Track page: Songs from "Des Knaben Wunderhorn": Der Tamboursg'sell · Machine-readable JSON-LD