ISRC DEA891101507
Verified recording
DEA891101507 is “Yesterdays” by Jan Johansson,
registered on the CopyrightChains blockchain with CopyrightID
0x1e56016dbc6b56c6242899d38b35d93e07cef21bee4956fbe597a8004a9ecb7c 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/DEA891101507.
Recording identifiers
- ISRC
- DEA891101507
- Title
- Yesterdays
- Artist
- Jan Johansson
- CopyrightID (CopyrightChains transaction hash)
0x1e56016dbc6b56c6242899d38b35d93e07cef21bee4956fbe597a8004a9ecb7c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:555cd00fc2c77981f33a6de166a7de0bedfa423603c8bacda715016e56cf3205- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA891101507
- Bitcoin block existence check
- https://blockstream.info/api/block/956302