ISRC QMKQ51301328
Verified recording
QMKQ51301328 is “Istanbul (Not Constantinople)” by Bing Crosby,
registered on the CopyrightChains blockchain with CopyrightID
0xca13ce723d464546d2bc4dbbc3e5fe8a044afabd154d014789b76671cb30703b and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMKQ51301328.
Recording identifiers
- ISRC
- QMKQ51301328
- Title
- Istanbul (Not Constantinople)
- Artist
- Bing Crosby
- CopyrightID (CopyrightChains transaction hash)
0xca13ce723d464546d2bc4dbbc3e5fe8a044afabd154d014789b76671cb30703b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:6140ec2e41c7c17322cabd2abb744ae3ecb99add9745f199259dac76881365cb- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMKQ51301328
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Istanbul (Not Constantinople) · Machine-readable JSON-LD