ISRC ARQIW2501377
Verified recording
ARQIW2501377 is “Sentimental Improvisation” by Piano Queen,
registered on the CopyrightChains blockchain with CopyrightID
0x77edc5d69d9c87b00b2821736ab5d8600d6d65ab4993c80c8db0f6a707423df4 and independently timestamped
in Bitcoin block 960291 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARQIW2501377.
Recording identifiers
- ISRC
- ARQIW2501377
- Title
- Sentimental Improvisation
- Artist
- Piano Queen
- CopyrightID (CopyrightChains transaction hash)
0x77edc5d69d9c87b00b2821736ab5d8600d6d65ab4993c80c8db0f6a707423df4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:23:33+00:00
- Bitcoin block
- 960291
- Canonical record hash
sha256:9751ded01d9a9ceae9d053f0c7140f9a7feff7b300f0c2817a225b0b529c0da7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARQIW2501377
- Bitcoin block existence check
- https://blockstream.info/api/block/960291
Full record
Track page: Sentimental Improvisation · Machine-readable JSON-LD