ISRC FR59R1867870

Verified recording

FR59R1867870 is “Was Once” by HEFT, registered on the CopyrightChains blockchain with CopyrightID 0x9677599480fba47d039234781609abdaaf00739eec6c89ccb67f4f84363c9e48 and independently timestamped in Bitcoin block 957120 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR59R1867870.

Recording identifiers

ISRC
FR59R1867870
Title
Was Once
Artist
HEFT
CopyrightID (CopyrightChains transaction hash)
0x9677599480fba47d039234781609abdaaf00739eec6c89ccb67f4f84363c9e48

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41+00:00
Bitcoin block
957120
Canonical record hash
sha256:b638f688a93950966608ce8f5487919d0cf23a1ec4b142c31c928b2278687aaf
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR59R1867870
Bitcoin block existence check
https://blockstream.info/api/block/957120

Full record

Track page: Was Once · Machine-readable JSON-LD