ISRC DEE470000320
Verified recording
DEE470000320 is “Speak Low (with Max Raabe)” by Kurt Weill,
registered on the CopyrightChains blockchain with CopyrightID
0xbf32f9aae9329865d0b2731784ea4b190542d94e75d8059e30e553536846f503 and independently timestamped
in Bitcoin block 960311 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE470000320.
Recording identifiers
- ISRC
- DEE470000320
- Title
- Speak Low (with Max Raabe)
- Artist
- Kurt Weill
- CopyrightID (CopyrightChains transaction hash)
0xbf32f9aae9329865d0b2731784ea4b190542d94e75d8059e30e553536846f503
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:45:02+00:00
- Bitcoin block
- 960311
- Canonical record hash
sha256:740996a5337cf8cd37ffba703556df5385def5576ee1f6139a57f3e24d0a3ff5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE470000320
- Bitcoin block existence check
- https://blockstream.info/api/block/960311
Full record
Track page: Speak Low (with Max Raabe) · Machine-readable JSON-LD