ISRC QMPKX1719601
Verified recording
QMPKX1719601 is “Birthday Piano Theme (Out of Tune)” by Victor Butzelaar,
registered on the CopyrightChains blockchain with CopyrightID
0x4273b2bb4c9cd7437a9893d208d1a22a0019351406141c286a965424cd2becdc 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/QMPKX1719601.
Recording identifiers
- ISRC
- QMPKX1719601
- Title
- Birthday Piano Theme (Out of Tune)
- Artist
- Victor Butzelaar
- CopyrightID (CopyrightChains transaction hash)
0x4273b2bb4c9cd7437a9893d208d1a22a0019351406141c286a965424cd2becdc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:c5d5d2a4cb061ced90f33cd41e8ab3e3a040f1b056dddd58888bbc8864649bb3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMPKX1719601
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Birthday Piano Theme (Out of Tune) · Machine-readable JSON-LD