ISRC QMFMF2330916
Verified recording
QMFMF2330916 is “Pollyanna” by Sponge,
registered on the CopyrightChains blockchain with CopyrightID
0xde6496524626a50a07c3ffd1162aaf01d12cbc1ab9877d8b1ddbb45a6e398e53 and independently timestamped
in Bitcoin block 959152 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMF2330916.
Recording identifiers
- ISRC
- QMFMF2330916
- Title
- Pollyanna
- Artist
- Sponge
- CopyrightID (CopyrightChains transaction hash)
0xde6496524626a50a07c3ffd1162aaf01d12cbc1ab9877d8b1ddbb45a6e398e53
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T16:23:52+00:00
- Bitcoin block
- 959152
- Canonical record hash
sha256:1438a31362821881f484d2c1e993013d87f2d5fd913d88de9b33286b443825e2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMF2330916
- Bitcoin block existence check
- https://blockstream.info/api/block/959152