ISRC PTUM72100493
Verified recording
PTUM72100493 is “Tenebra” by João Tamura,
registered on the CopyrightChains blockchain with CopyrightID
0x1e6aa671d0940cbaf4d70a3aae470bb5db2e50ee8a5803f53cdc8182a4cc08fd and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTUM72100493.
Recording identifiers
- ISRC
- PTUM72100493
- Title
- Tenebra
- Artist
- João Tamura
- CopyrightID (CopyrightChains transaction hash)
0x1e6aa671d0940cbaf4d70a3aae470bb5db2e50ee8a5803f53cdc8182a4cc08fd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:d1307334598a23c86a9c66470f360cd559537624051702755c3948c341a7a8d2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTUM72100493
- Bitcoin block existence check
- https://blockstream.info/api/block/957120