ISRC KRUM71200135
Verified recording
KRUM71200135 is “When You I Were Young, Maggie” by James A Butterfield,
registered on the CopyrightChains blockchain with CopyrightID
0x8972670d01824e1b15f4c87278916a4950374f5775a9b4ff2ef40d14f8310ce6 and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRUM71200135.
Recording identifiers
- ISRC
- KRUM71200135
- Title
- When You I Were Young, Maggie
- Artist
- James A Butterfield
- CopyrightID (CopyrightChains transaction hash)
0x8972670d01824e1b15f4c87278916a4950374f5775a9b4ff2ef40d14f8310ce6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:4fc221c165658fb4f679ea6c1e19f7d0d0c7094120f99825bc9e4420144c92e2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRUM71200135
- Bitcoin block existence check
- https://blockstream.info/api/block/960403
Full record
Track page: When You I Were Young, Maggie · Machine-readable JSON-LD