ISRC QMBZ91335176
Verified recording
QMBZ91335176 is “They Say It's Wonderful” by Irving Berlin,
registered on the CopyrightChains blockchain with CopyrightID
0xfdf67f3bea360672e29dc519ab0ef9721854e6212dcfe51f2281cecc16ae538c and independently timestamped
in Bitcoin block 960379 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91335176.
Recording identifiers
- ISRC
- QMBZ91335176
- Title
- They Say It's Wonderful
- Artist
- Irving Berlin
- CopyrightID (CopyrightChains transaction hash)
0xfdf67f3bea360672e29dc519ab0ef9721854e6212dcfe51f2281cecc16ae538c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:25:34+00:00
- Bitcoin block
- 960379
- Canonical record hash
sha256:aa69e415c589368f276d202d8e9768fbee73174d6aab683dee44e884ee142c2a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91335176
- Bitcoin block existence check
- https://blockstream.info/api/block/960379
Full record
Track page: They Say It's Wonderful · Machine-readable JSON-LD