ISRC GBLLH1335101
Verified recording
GBLLH1335101 is “Symphony No. 1 in D Major: I. Langsam, schleppend - Wie ein Naturlaut” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0xb7770db71267c04da6ea8d83e407c2e173e00611e976d47af3bb91d40b9e036d and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH1335101.
Recording identifiers
- ISRC
- GBLLH1335101
- Title
- Symphony No. 1 in D Major: I. Langsam, schleppend - Wie ein Naturlaut
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0xb7770db71267c04da6ea8d83e407c2e173e00611e976d47af3bb91d40b9e036d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:433ba9908dd17b469806cd23a65f555fb43bc85174b26081eb3e08fdd596b397- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH1335101
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: Symphony No. 1 in D Major: I. Langsam, schleppend - Wie ein Naturlaut · Machine-readable JSON-LD