ISRC QMDA62316435
Verified recording
QMDA62316435 is “Sylvia: Valse Lente, Even Phrases - 97 BPM Flowing” by Andrew Holdsworth,
registered on the CopyrightChains blockchain with CopyrightID
0x6ce0eb4e92672db291dd631f040ff1a42a87e6b420f85f2b5b02ee575dd28d96 and independently timestamped
in Bitcoin block 960513 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62316435.
Recording identifiers
- ISRC
- QMDA62316435
- Title
- Sylvia: Valse Lente, Even Phrases - 97 BPM Flowing
- Artist
- Andrew Holdsworth
- CopyrightID (CopyrightChains transaction hash)
0x6ce0eb4e92672db291dd631f040ff1a42a87e6b420f85f2b5b02ee575dd28d96
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T04:52:22+00:00
- Bitcoin block
- 960513
- Canonical record hash
sha256:bedd8d9e032c1c8cea3feb946d59fbe5f15fd9dcd2a0035043c47d06d8753490- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62316435
- Bitcoin block existence check
- https://blockstream.info/api/block/960513
Full record
Track page: Sylvia: Valse Lente, Even Phrases - 97 BPM Flowing · Machine-readable JSON-LD