ISRC US3DF2453869
Verified recording
US3DF2453869 is “Mum II” by Grayscale,
registered on the CopyrightChains blockchain with CopyrightID
0x0208f750cf19c71bd919e8f7dca1ada81c47ba3d7aab0aced94dabd36f7ef777 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3DF2453869.
Recording identifiers
- ISRC
- US3DF2453869
- Title
- Mum II
- Artist
- Grayscale
- CopyrightID (CopyrightChains transaction hash)
0x0208f750cf19c71bd919e8f7dca1ada81c47ba3d7aab0aced94dabd36f7ef777
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:f311149d0a364e42ff882373060b514258c98d46b1e91099802eaec8b3922757- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3DF2453869
- Bitcoin block existence check
- https://blockstream.info/api/block/953520