ISRC FINDE9700125
Verified recording
FINDE9700125 is “Waltz No. 3 in A Minor, Op. 34, No. 2 (arr. for guitar)” by Francisco Tárrega,
registered on the CopyrightChains blockchain with CopyrightID
0x67c7bd0de1ea5f9908494bfb7d69d4438da80fa50a6da4965c1dffebc7a6ae18 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FINDE9700125.
Recording identifiers
- ISRC
- FINDE9700125
- Title
- Waltz No. 3 in A Minor, Op. 34, No. 2 (arr. for guitar)
- Artist
- Francisco Tárrega
- CopyrightID (CopyrightChains transaction hash)
0x67c7bd0de1ea5f9908494bfb7d69d4438da80fa50a6da4965c1dffebc7a6ae18
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:19358949135fe953cf77d4b9bd977040ba322a0ad9dd277c10593d07cc7ee310- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FINDE9700125
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Waltz No. 3 in A Minor, Op. 34, No. 2 (arr. for guitar) · Machine-readable JSON-LD