ISRC QM4TX2266161
Verified recording
QM4TX2266161 is “Chambers” by ef,
registered on the CopyrightChains blockchain with CopyrightID
0xf8bb426ff4c03cc2090c2ce0720954815ee09957f3e9b918f92713c48b3ae66a and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX2266161.
Recording identifiers
- ISRC
- QM4TX2266161
- Title
- Chambers
- Artist
- ef
- CopyrightID (CopyrightChains transaction hash)
0xf8bb426ff4c03cc2090c2ce0720954815ee09957f3e9b918f92713c48b3ae66a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:9533b204c3dc902afb832101c1f3eca06775d1075e66476d9dac2a14816e920e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX2266161
- Bitcoin block existence check
- https://blockstream.info/api/block/960264