ISRC NLUM71300173
Verified recording
NLUM71300173 is “Polka, for Piano 4 Hands” by Adolfo Berio,
registered on the CopyrightChains blockchain with CopyrightID
0x53d19798fba76dcb6eac0dba34bce4408010e29bcddcb7cfa2cc114b32f46f2d and independently timestamped
in Bitcoin block 957819 on 2026-07-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLUM71300173.
Recording identifiers
- ISRC
- NLUM71300173
- Title
- Polka, for Piano 4 Hands
- Artist
- Adolfo Berio
- CopyrightID (CopyrightChains transaction hash)
0x53d19798fba76dcb6eac0dba34bce4408010e29bcddcb7cfa2cc114b32f46f2d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-13T07:53:33+00:00
- Bitcoin block
- 957819
- Canonical record hash
sha256:06290485bb4144f9f69f82fd7bf44696ccc54d8dc2612b6eb5079ba177fa4636- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLUM71300173
- Bitcoin block existence check
- https://blockstream.info/api/block/957819
Full record
Track page: Polka, for Piano 4 Hands · Machine-readable JSON-LD