ISRC USHM91679657
Verified recording
USHM91679657 is “Pi” by Blacastan,
registered on the CopyrightChains blockchain with CopyrightID
0x6c4820a5959139d064bd4426f0d508e13b4a517a64e4758fcdfbc049dc5ff6ae and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91679657.
Recording identifiers
- ISRC
- USHM91679657
- Title
- Pi
- Artist
- Blacastan
- CopyrightID (CopyrightChains transaction hash)
0x6c4820a5959139d064bd4426f0d508e13b4a517a64e4758fcdfbc049dc5ff6ae
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:ac488a623c0501d0fc2bd3e639adab63e15f6e78943dca850133741aa81b26f4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91679657
- Bitcoin block existence check
- https://blockstream.info/api/block/960448