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