ISRC CA5KV1310006
Verified recording
CA5KV1310006 is “Kindertotenlieder: Nun seh' ich wohl, warum so dunkle Flammen” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x4b6dd3ed319c838182f32fa36d3f4c151f4a6f97261a44dbcb936146437de9ed and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KV1310006.
Recording identifiers
- ISRC
- CA5KV1310006
- Title
- Kindertotenlieder: Nun seh' ich wohl, warum so dunkle Flammen
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x4b6dd3ed319c838182f32fa36d3f4c151f4a6f97261a44dbcb936146437de9ed
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:40d493c9caf28571220bd284bc261a97c85f682a7a561611e8ea70bc90c30a40- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KV1310006
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Kindertotenlieder: Nun seh' ich wohl, warum so dunkle Flammen · Machine-readable JSON-LD