ISRC USMO16500350
Verified recording
USMO16500350 is “I'll Keep Holding On - Single Version” by The Marvelettes,
registered on the CopyrightChains blockchain with CopyrightID
0xaac37feec36015e927c5436035657873c9d54a244508525e60ff432fb0366b43 and independently timestamped
in Bitcoin block 960229 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMO16500350.
Recording identifiers
- ISRC
- USMO16500350
- Title
- I'll Keep Holding On - Single Version
- Artist
- The Marvelettes
- CopyrightID (CopyrightChains transaction hash)
0xaac37feec36015e927c5436035657873c9d54a244508525e60ff432fb0366b43
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T08:30:10+00:00
- Bitcoin block
- 960229
- Canonical record hash
sha256:606409093324b811f43c6e9a2cc57201b80e43d8bed2260a12513e41709e6725- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMO16500350
- Bitcoin block existence check
- https://blockstream.info/api/block/960229
Full record
Track page: I'll Keep Holding On - Single Version · Machine-readable JSON-LD