ISRC USHM91679646
Verified recording
USHM91679646 is “Watson and Holmes” by Blacastan,
registered on the CopyrightChains blockchain with CopyrightID
0x860e4b39afadff355e30b30aac47d02dca821942864f0e23c5ac1f62c85fe4af and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91679646.
Recording identifiers
- ISRC
- USHM91679646
- Title
- Watson and Holmes
- Artist
- Blacastan
- CopyrightID (CopyrightChains transaction hash)
0x860e4b39afadff355e30b30aac47d02dca821942864f0e23c5ac1f62c85fe4af
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:fceefadb1603c26db78e64f2a0fb05ed055db83771f8072bac5d606e40fe038c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91679646
- Bitcoin block existence check
- https://blockstream.info/api/block/957118