ISRC DEF069313090

Verified recording

DEF069313090 is “Winter” by Rolf Zuckowski, registered on the CopyrightChains blockchain with CopyrightID 0xc8c86b50d68921adc05275323366fed8f92e4e3b57e270ae216067d2863d6e31 and independently timestamped in Bitcoin block 956312 on 2026-07-02. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF069313090.

Recording identifiers

ISRC
DEF069313090
Title
Winter
Artist
Rolf Zuckowski
CopyrightID (CopyrightChains transaction hash)
0xc8c86b50d68921adc05275323366fed8f92e4e3b57e270ae216067d2863d6e31

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12+00:00
Bitcoin block
956312
Canonical record hash
sha256:1afc216b22d76ae9c2cf8b657645cb7de501de18d02701c6a9309a28530d1764
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF069313090
Bitcoin block existence check
https://blockstream.info/api/block/956312

Full record

Track page: Winter · Machine-readable JSON-LD