ISRC USQX91502171

Verified recording

USQX91502171 is “Was it a Dream? (Sibelius) - Commentary” by Yo-Yo Ma, registered on the CopyrightChains blockchain with CopyrightID 0x84aa6210b7e7e18d7596a07d5b4a21c7a41898ce7cbbc8c4f3363466a499889e and independently timestamped in Bitcoin block 960327 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX91502171.

Recording identifiers

ISRC
USQX91502171
Title
Was it a Dream? (Sibelius) - Commentary
Artist
Yo-Yo Ma
CopyrightID (CopyrightChains transaction hash)
0x84aa6210b7e7e18d7596a07d5b4a21c7a41898ce7cbbc8c4f3363466a499889e

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26+00:00
Bitcoin block
960327
Canonical record hash
sha256:ded18b307fb87a2dc91d4b73fff383e3d12c2e020d0ed88a5834435d94a542a3
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX91502171
Bitcoin block existence check
https://blockstream.info/api/block/960327

Full record

Track page: Was it a Dream? (Sibelius) - Commentary · Machine-readable JSON-LD