ISRC GBSMU4877091
Verified recording
GBSMU4877091 is “Sad Hors Hours” by mikuma,
registered on the CopyrightChains blockchain with CopyrightID
0x454c1574f223e477587c7f39673b4f869f7630e92346492bc8c290d7d04a24c3 and independently timestamped
in Bitcoin block 960485 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU4877091.
Recording identifiers
- ISRC
- GBSMU4877091
- Title
- Sad Hors Hours
- Artist
- mikuma
- CopyrightID (CopyrightChains transaction hash)
0x454c1574f223e477587c7f39673b4f869f7630e92346492bc8c290d7d04a24c3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T00:10:46+00:00
- Bitcoin block
- 960485
- Canonical record hash
sha256:bd62a0b190e8ccc03f22204c537a1ad8ee70e593e74bd3ceff39a680fc862040- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU4877091
- Bitcoin block existence check
- https://blockstream.info/api/block/960485