ISRC QZTB92306375

Verified recording

QZTB92306375 is “zeroday (demo)” by h4rtbrkr, registered on the CopyrightChains blockchain with CopyrightID 0x8d7c1d8e6f8dec6a996d204ec9532f5f9cbfc63239d37296453ee1681290e9c8 and independently timestamped in Bitcoin block 953520 on 2026-06-13. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB92306375.

Recording identifiers

ISRC
QZTB92306375
Title
zeroday (demo)
Artist
h4rtbrkr
CopyrightID (CopyrightChains transaction hash)
0x8d7c1d8e6f8dec6a996d204ec9532f5f9cbfc63239d37296453ee1681290e9c8

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09+00:00
Bitcoin block
953520
Canonical record hash
sha256:5d25d6c0b5fa6779a46afed311c404da35e8e5f56ea636fd0289eb42a1b573bc
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB92306375
Bitcoin block existence check
https://blockstream.info/api/block/953520

Full record

Track page: zeroday (demo) · Machine-readable JSON-LD