ISRC DEF059404042
Verified recording
DEF059404042 is “Four Pieces For Clarinet And Piano, Op. 5: 2. Sehr langsam” by Alban Berg,
registered on the CopyrightChains blockchain with CopyrightID
0x851baf25dcb099b36594a70ac2eca1ad820f2e664077f191d891fe38dece98b4 and independently timestamped
in Bitcoin block 960160 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059404042.
Recording identifiers
- ISRC
- DEF059404042
- Title
- Four Pieces For Clarinet And Piano, Op. 5: 2. Sehr langsam
- Artist
- Alban Berg
- CopyrightID (CopyrightChains transaction hash)
0x851baf25dcb099b36594a70ac2eca1ad820f2e664077f191d891fe38dece98b4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:48:59+00:00
- Bitcoin block
- 960160
- Canonical record hash
sha256:7acbdeb1fcbd4468c4c000301dcee1cc5d95ef2c117712d06c37f8a8f8888887- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059404042
- Bitcoin block existence check
- https://blockstream.info/api/block/960160
Full record
Track page: Four Pieces For Clarinet And Piano, Op. 5: 2. Sehr langsam · Machine-readable JSON-LD