ISRC NLE421503506
Verified recording
NLE421503506 is “Rückert-Lieder: II. Blicke mir nicht in die Lieder!” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x3ae13a4ecff8da8aa9906fd8f93f464de6f7e23f2621cfac16e15115163ad09b and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421503506.
Recording identifiers
- ISRC
- NLE421503506
- Title
- Rückert-Lieder: II. Blicke mir nicht in die Lieder!
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x3ae13a4ecff8da8aa9906fd8f93f464de6f7e23f2621cfac16e15115163ad09b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:e82f7a7b1e904e7f71b891effcdbf5e7e150cc42d166339d1e216308af1c3a9e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421503506
- Bitcoin block existence check
- https://blockstream.info/api/block/960403
Full record
Track page: Rückert-Lieder: II. Blicke mir nicht in die Lieder! · Machine-readable JSON-LD