ISRC GBAJU9900139
Verified recording
GBAJU9900139 is “Langsamer Satz” by Anton Webern,
registered on the CopyrightChains blockchain with CopyrightID
0xe9c633d6c17fb921f0b8001deef38f0079b808e5e5866dbc04cd7c2410f2e516 and independently timestamped
in Bitcoin block 960309 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJU9900139.
Recording identifiers
- ISRC
- GBAJU9900139
- Title
- Langsamer Satz
- Artist
- Anton Webern
- CopyrightID (CopyrightChains transaction hash)
0xe9c633d6c17fb921f0b8001deef38f0079b808e5e5866dbc04cd7c2410f2e516
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:35:49+00:00
- Bitcoin block
- 960309
- Canonical record hash
sha256:e240e6f1d07437b72736a6a3d90e7bdc120bc0d110e48b68aae207e11f33a97c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJU9900139
- Bitcoin block existence check
- https://blockstream.info/api/block/960309