ISRC DEF059305504
Verified recording
DEF059305504 is “Rückert-Lieder: Um Mitternacht” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0xb8827881e3ae3cbf64f87f56231c82b452f87886c465d58e46d6bb2757eff01e and independently timestamped
in Bitcoin block 960376 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059305504.
Recording identifiers
- ISRC
- DEF059305504
- Title
- Rückert-Lieder: Um Mitternacht
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0xb8827881e3ae3cbf64f87f56231c82b452f87886c465d58e46d6bb2757eff01e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:09:19+00:00
- Bitcoin block
- 960376
- Canonical record hash
sha256:747e6225aac8b5971ff88a1980de4f6857f1c6f42446a36b3486a9237c273da4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059305504
- Bitcoin block existence check
- https://blockstream.info/api/block/960376
Full record
Track page: Rückert-Lieder: Um Mitternacht · Machine-readable JSON-LD