ISRC NLA509009530
Verified recording
NLA509009530 is “12 Heroic Marches, TWV50: 31/42: L'espérance” by Georg Philipp Telemann,
registered on the CopyrightChains blockchain with CopyrightID
0x996eec3d83eb890b6c92e22d6f7444ee9f431f24f897cf66a38e5d4c34dba021 and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509009530.
Recording identifiers
- ISRC
- NLA509009530
- Title
- 12 Heroic Marches, TWV50: 31/42: L'espérance
- Artist
- Georg Philipp Telemann
- CopyrightID (CopyrightChains transaction hash)
0x996eec3d83eb890b6c92e22d6f7444ee9f431f24f897cf66a38e5d4c34dba021
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:a47cbe0edeb09f122a70d2b1025dfa1e9c68fbc83dd60bc14e7ee123e26203d4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509009530
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: 12 Heroic Marches, TWV50: 31/42: L'espérance · Machine-readable JSON-LD