ISRC QZNWT2059918
Verified recording
QZNWT2059918 is “Woodstock” by Mark Grundhoefer,
registered on the CopyrightChains blockchain with CopyrightID
0x217e6690b6c74a76265c62dfb5bbf1ca573d2032cf3297cc2e88b039896a18ff and independently timestamped
in Bitcoin block 960354 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWT2059918.
Recording identifiers
- ISRC
- QZNWT2059918
- Title
- Woodstock
- Artist
- Mark Grundhoefer
- CopyrightID (CopyrightChains transaction hash)
0x217e6690b6c74a76265c62dfb5bbf1ca573d2032cf3297cc2e88b039896a18ff
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:48:18+00:00
- Bitcoin block
- 960354
- Canonical record hash
sha256:ff7d437069d23d81f374bcd049c476e5015483361b26479e8f401bb0cb6518cb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWT2059918
- Bitcoin block existence check
- https://blockstream.info/api/block/960354