ISRC USMC15005834
Verified recording
USMC15005834 is “A Marshmallow World” by Bing Crosby,
registered on the CopyrightChains blockchain with CopyrightID
0xfd9a287ca28f33133a0c6dc98d37b6aa70a5911f545bfcbfc625278acd0ce3a7 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMC15005834.
Recording identifiers
- ISRC
- USMC15005834
- Title
- A Marshmallow World
- Artist
- Bing Crosby
- CopyrightID (CopyrightChains transaction hash)
0xfd9a287ca28f33133a0c6dc98d37b6aa70a5911f545bfcbfc625278acd0ce3a7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:2473d8c0e24a9ee415b4d24a2eeaa90e77c194c24bae5f03d80e9dc5d0c23b70- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMC15005834
- Bitcoin block existence check
- https://blockstream.info/api/block/956302