ISRC USPR37000157
Verified recording
USPR37000157 is “Crying” by John Mayall,
registered on the CopyrightChains blockchain with CopyrightID
0x62802357d23d4ba7252f1ed3e5ed9eedfe8fd09080c39df934a093396b639c27 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPR37000157.
Recording identifiers
- ISRC
- USPR37000157
- Title
- Crying
- Artist
- John Mayall
- CopyrightID (CopyrightChains transaction hash)
0x62802357d23d4ba7252f1ed3e5ed9eedfe8fd09080c39df934a093396b639c27
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:b4bfba71ecc7f4903829f10e62200350e18c874b6ec9763cd2dc27c3e64a3e80- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPR37000157
- Bitcoin block existence check
- https://blockstream.info/api/block/960138