ISRC USRDG0114143
Verified recording
USRDG0114143 is “Vals en Mi Bemol Mayor, "Gertrude's Dream Waltz"” by Gordon Langford,
registered on the CopyrightChains blockchain with CopyrightID
0x307a7efd20527cb45b4eee0805877ccd6ee52a8d110783de6914e7ea6e503a9e and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0114143.
Recording identifiers
- ISRC
- USRDG0114143
- Title
- Vals en Mi Bemol Mayor, "Gertrude's Dream Waltz"
- Artist
- Gordon Langford
- CopyrightID (CopyrightChains transaction hash)
0x307a7efd20527cb45b4eee0805877ccd6ee52a8d110783de6914e7ea6e503a9e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:ad84b878680ef81b2a2bcb6e286d194dd7ce1698f5852617353c284bd5cf2724- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0114143
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Vals en Mi Bemol Mayor, "Gertrude's Dream Waltz" · Machine-readable JSON-LD