ISRC QZDA52386660
Verified recording
QZDA52386660 is “Rubberband” by Coldheartedsavage,
registered on the CopyrightChains blockchain with CopyrightID
0x5b1e8d88d99f33a047d5f7478de496dee59ea5cfcffcd24ccb0d61122ee1bea8 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA52386660.
Recording identifiers
- ISRC
- QZDA52386660
- Title
- Rubberband
- Artist
- Coldheartedsavage
- CopyrightID (CopyrightChains transaction hash)
0x5b1e8d88d99f33a047d5f7478de496dee59ea5cfcffcd24ccb0d61122ee1bea8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:ae6fb783afd33f0183daffe351c645634056d7e4650828ead7ccc3d4e4ad75dd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA52386660
- Bitcoin block existence check
- https://blockstream.info/api/block/957120