ISRC NLG7Z2200044
Verified recording
NLG7Z2200044 is “O canto do cisne negro (Arr. by Femke IJlstra)” by Heitor Villa-Lobos,
registered on the CopyrightChains blockchain with CopyrightID
0x42ff6db65d91ffab5ab5f325d31ef71e4f5e3e4dff78239b84c22cfa215a348e 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/NLG7Z2200044.
Recording identifiers
- ISRC
- NLG7Z2200044
- Title
- O canto do cisne negro (Arr. by Femke IJlstra)
- Artist
- Heitor Villa-Lobos
- CopyrightID (CopyrightChains transaction hash)
0x42ff6db65d91ffab5ab5f325d31ef71e4f5e3e4dff78239b84c22cfa215a348e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:7f9c6fb26f840ea601ffeb3ff8048c02d019a0968fea8e1492f02f1463e7ef8e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG7Z2200044
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: O canto do cisne negro (Arr. by Femke IJlstra) · Machine-readable JSON-LD