ISRC QMVGK1300201
Verified recording
QMVGK1300201 is “How Long Has This Been Going On” by Ira Gershwin,
registered on the CopyrightChains blockchain with CopyrightID
0xbee3dd824a245273a6ad6511e4edee21f1f377f7e21babb0771d7eb36512aeb6 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMVGK1300201.
Recording identifiers
- ISRC
- QMVGK1300201
- Title
- How Long Has This Been Going On
- Artist
- Ira Gershwin
- CopyrightID (CopyrightChains transaction hash)
0xbee3dd824a245273a6ad6511e4edee21f1f377f7e21babb0771d7eb36512aeb6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:a72628f550245763fd3196f85b04241a0323365a7e7d97be8280646916c76698- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMVGK1300201
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: How Long Has This Been Going On · Machine-readable JSON-LD