ISRC GBAYC2100375
Verified recording
GBAYC2100375 is “Zelenka: Laetatus sum, ZWV 90: IV. Fiat pax. Larghetto” by Jan Dismas Zelenka,
registered on the CopyrightChains blockchain with CopyrightID
0x4dcce6d31e3fe0b2aa21c21b8622016d1934a2dfac137ef48fcb56c59e01d3bd and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2100375.
Recording identifiers
- ISRC
- GBAYC2100375
- Title
- Zelenka: Laetatus sum, ZWV 90: IV. Fiat pax. Larghetto
- Artist
- Jan Dismas Zelenka
- CopyrightID (CopyrightChains transaction hash)
0x4dcce6d31e3fe0b2aa21c21b8622016d1934a2dfac137ef48fcb56c59e01d3bd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:5b142413c9a1981961afd4579ecb6513ee46f21b714526440a27fb110a8e18a4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2100375
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Zelenka: Laetatus sum, ZWV 90: IV. Fiat pax. Larghetto · Machine-readable JSON-LD