ISRC CH0800408011

Verified recording

CH0800408011 is “Summer '68” by Polo Hofer, registered on the CopyrightChains blockchain with CopyrightID 0xf1bb6f0013210efb4626e6c49bcdf2aabe591399438774a1291fd1f8c209b837 and independently timestamped in Bitcoin block 953515 on 2026-06-13. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH0800408011.

Recording identifiers

ISRC
CH0800408011
Title
Summer '68
Artist
Polo Hofer
CopyrightID (CopyrightChains transaction hash)
0xf1bb6f0013210efb4626e6c49bcdf2aabe591399438774a1291fd1f8c209b837

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06+00:00
Bitcoin block
953515
Canonical record hash
sha256:8e65818efe8a07130e7b6557654055c1df64e3604710906a3ca8394e86344e6b
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH0800408011
Bitcoin block existence check
https://blockstream.info/api/block/953515

Full record

Track page: Summer '68 · Machine-readable JSON-LD