ISRC QMMZN1701304
Verified recording
QMMZN1701304 is “Sister” by Mac DeMarco,
registered on the CopyrightChains blockchain with CopyrightID
0xa69d04aa0b58457e4fb6ddaf47bb44e65cfb9be63e81c25b58c1f923fa248df4 and independently timestamped
in Bitcoin block 953536 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMMZN1701304.
Recording identifiers
- ISRC
- QMMZN1701304
- Title
- Sister
- Artist
- Mac DeMarco
- CopyrightID (CopyrightChains transaction hash)
0xa69d04aa0b58457e4fb6ddaf47bb44e65cfb9be63e81c25b58c1f923fa248df4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T17:25:41+00:00
- Bitcoin block
- 953536
- Canonical record hash
sha256:a34a00845c191c8f0704f1dfaf6b5d7dca33cf119da3e0a91e9d844e41e272e1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMMZN1701304
- Bitcoin block existence check
- https://blockstream.info/api/block/953536