ISRC QM9K31201487
Verified recording
QM9K31201487 is “Oi” by Marcos Valle,
registered on the CopyrightChains blockchain with CopyrightID
0x90c7625e51c914e0670d8ded3e831d8e5fbef5357af46d4dd5c84897728e4c7e and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM9K31201487.
Recording identifiers
- ISRC
- QM9K31201487
- Title
- Oi
- Artist
- Marcos Valle
- CopyrightID (CopyrightChains transaction hash)
0x90c7625e51c914e0670d8ded3e831d8e5fbef5357af46d4dd5c84897728e4c7e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:2b37751ff418f9590b5a49f55a2fc63ba17d1acf245a415868dbbb9d160d1813- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM9K31201487
- Bitcoin block existence check
- https://blockstream.info/api/block/953520