ISRC PTBM12300065
Verified recording
PTBM12300065 is “Na Escola - Ao Vivo no Estádio Cidade De Coimbra” by Os Quatro e Meia,
registered on the CopyrightChains blockchain with CopyrightID
0x921fb358cf8850ab53644c9d3c9787e5ac27d4a13062601975e592d9ebe0f8b0 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/PTBM12300065.
Recording identifiers
- ISRC
- PTBM12300065
- Title
- Na Escola - Ao Vivo no Estádio Cidade De Coimbra
- Artist
- Os Quatro e Meia
- CopyrightID (CopyrightChains transaction hash)
0x921fb358cf8850ab53644c9d3c9787e5ac27d4a13062601975e592d9ebe0f8b0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:38e99caeebdf0f94c223f6252121081ebbf4ad9c505909f9ede1d8a8fdcde576- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTBM12300065
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Na Escola - Ao Vivo no Estádio Cidade De Coimbra · Machine-readable JSON-LD