ISRC DEF078202520

Verified recording

DEF078202520 is “8 : 10” by Hans Hartz, registered on the CopyrightChains blockchain with CopyrightID 0x221bf19adce1e3bd1fd859e6bb72c275b91cc9ae23bf15c0a92bf1e7d8d466a1 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/DEF078202520.

Recording identifiers

ISRC
DEF078202520
Title
8 : 10
Artist
Hans Hartz
CopyrightID (CopyrightChains transaction hash)
0x221bf19adce1e3bd1fd859e6bb72c275b91cc9ae23bf15c0a92bf1e7d8d466a1

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08+00:00
Bitcoin block
956304
Canonical record hash
sha256:fe116b01fdfb3574e658e91705bd4346a8f43dee12fd1c07f23c880c13e45f86
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF078202520
Bitcoin block existence check
https://blockstream.info/api/block/956304

Full record

Track page: 8 : 10 · Machine-readable JSON-LD