ISRC USMO16100266
Verified recording
USMO16100266 is “Please Mr. Postman - Single Version / Mono” by The Marvelettes,
registered on the CopyrightChains blockchain with CopyrightID
0xe8619d5ca3cc3841cfe7845dba3e13e44b71231a994ab97644f88b2c1b4a47d8 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMO16100266.
Recording identifiers
- ISRC
- USMO16100266
- Title
- Please Mr. Postman - Single Version / Mono
- Artist
- The Marvelettes
- CopyrightID (CopyrightChains transaction hash)
0xe8619d5ca3cc3841cfe7845dba3e13e44b71231a994ab97644f88b2c1b4a47d8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:6604a795811e7a79953e66c0540f00b937d6f897714068ca541ad1a82d4100b9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMO16100266
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Please Mr. Postman - Single Version / Mono · Machine-readable JSON-LD