ISRC UK4WW1260021
Verified recording
UK4WW1260021 is “Rückert Lieder: No. 4, Ich bin der Welt abhanden gekommen” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x93c8c403d8ff3da7d80de04cf43f6da458f529832f96747f15d57b949fd86bc3 and independently timestamped
in Bitcoin block 956856 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK4WW1260021.
Recording identifiers
- ISRC
- UK4WW1260021
- Title
- Rückert Lieder: No. 4, Ich bin der Welt abhanden gekommen
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x93c8c403d8ff3da7d80de04cf43f6da458f529832f96747f15d57b949fd86bc3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T01:25:57+00:00
- Bitcoin block
- 956856
- Canonical record hash
sha256:88213de8b11da3d5a37a4ba1d4ceaaae2cc90d569003f08ffa476fa82d507d6c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK4WW1260021
- Bitcoin block existence check
- https://blockstream.info/api/block/956856
Full record
Track page: Rückert Lieder: No. 4, Ich bin der Welt abhanden gekommen · Machine-readable JSON-LD