ISRC GBEYQ2454541
Verified recording
GBEYQ2454541 is “C:9 Worrisome Blues (from Jazz, Rags & Blues, Book 3)” by Martha Mier,
registered on the CopyrightChains blockchain with CopyrightID
0x840229017949a3228b737d543099afe130ffa9abc8b4bd7716d74e228cb1734d 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/GBEYQ2454541.
Recording identifiers
- ISRC
- GBEYQ2454541
- Title
- C:9 Worrisome Blues (from Jazz, Rags & Blues, Book 3)
- Artist
- Martha Mier
- CopyrightID (CopyrightChains transaction hash)
0x840229017949a3228b737d543099afe130ffa9abc8b4bd7716d74e228cb1734d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:0b8ed811a8da1c87b66e3d4ab24a4514f29c9a5fb4d10361ba5b585a25e106ea- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBEYQ2454541
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: C:9 Worrisome Blues (from Jazz, Rags & Blues, Book 3) · Machine-readable JSON-LD