ISRC US5261722555
Verified recording
US5261722555 is “Mum” by Grayscale,
registered on the CopyrightChains blockchain with CopyrightID
0xb0a9bb2455d8dde59ccfb2026588540a8028bf44b4cb09e4a8bd211dfdf9fd02 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/US5261722555.
Recording identifiers
- ISRC
- US5261722555
- Title
- Mum
- Artist
- Grayscale
- CopyrightID (CopyrightChains transaction hash)
0xb0a9bb2455d8dde59ccfb2026588540a8028bf44b4cb09e4a8bd211dfdf9fd02
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:dd544052e351b8ded54286409ae88a5415f1dbf1b602fc934d507b31db7e92d5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US5261722555
- Bitcoin block existence check
- https://blockstream.info/api/block/953520