ISRC GBAYC8200138
Verified recording
GBAYC8200138 is “Vier letzte Lieder (Four Last Songs) AV150 (Op. posth): III. Beim Schlafengehen (Hesse)” by Lucia Popp,
registered on the CopyrightChains blockchain with CopyrightID
0xb2b7fd4db2fe7dbfa7348ac0f6654400bbae8eccee30360e5ac7f9e5e8272f88 and independently timestamped
in Bitcoin block 960125 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8200138.
Recording identifiers
- ISRC
- GBAYC8200138
- Title
- Vier letzte Lieder (Four Last Songs) AV150 (Op. posth): III. Beim Schlafengehen (Hesse)
- Artist
- Lucia Popp
- CopyrightID (CopyrightChains transaction hash)
0xb2b7fd4db2fe7dbfa7348ac0f6654400bbae8eccee30360e5ac7f9e5e8272f88
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T15:38:18+00:00
- Bitcoin block
- 960125
- Canonical record hash
sha256:5667fc98a265592e6b66582a88b465e5b8721e7828e6b532e246d37bf561f6cc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8200138
- Bitcoin block existence check
- https://blockstream.info/api/block/960125
Full record
Track page: Vier letzte Lieder (Four Last Songs) AV150 (Op. posth): III. Beim Schlafengehen (Hesse) · Machine-readable JSON-LD