ISRC SE68K2300237
Verified recording
SE68K2300237 is “Cruel Summer - String Quartet” by ZSQ,
registered on the CopyrightChains blockchain with CopyrightID
0x7586d0d8da1ec3c8a6b1dc07ab1b7a71b6c6d61ff87e1f866ded37a0a463bdb7 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE68K2300237.
Recording identifiers
- ISRC
- SE68K2300237
- Title
- Cruel Summer - String Quartet
- Artist
- ZSQ
- CopyrightID (CopyrightChains transaction hash)
0x7586d0d8da1ec3c8a6b1dc07ab1b7a71b6c6d61ff87e1f866ded37a0a463bdb7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:54c8b02eb65c766a0019c294f6f90337603e3ecda801e47945646803140bccc2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE68K2300237
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Cruel Summer - String Quartet · Machine-readable JSON-LD