ISRC GMM881200016
Verified recording
GMM881200016 is “Castle” by Macklemore & Ryan Lewis,
registered on the CopyrightChains blockchain with CopyrightID
0x060899590e8a6d48a9b1e0dbda77803ce9241ae0dbc655b958fe02714ebf06b2 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/GMM881200016.
Recording identifiers
- ISRC
- GMM881200016
- Title
- Castle
- Artist
- Macklemore & Ryan Lewis
- CopyrightID (CopyrightChains transaction hash)
0x060899590e8a6d48a9b1e0dbda77803ce9241ae0dbc655b958fe02714ebf06b2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:5e4a23a6bdbdbacd8b33da442d66d183ed30dadd1dd0f5667ac2caa88a48b1a3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GMM881200016
- Bitcoin block existence check
- https://blockstream.info/api/block/953513