ISRC PYC842403972
Verified recording
PYC842403972 is “Esperanza” by Joaju Cuarteto,
registered on the CopyrightChains blockchain with CopyrightID
0x65fff89b8fd859811e18356cbe5fbe989f53ad8e895e444c67a27605925a4b7c and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PYC842403972.
Recording identifiers
- ISRC
- PYC842403972
- Title
- Esperanza
- Artist
- Joaju Cuarteto
- CopyrightID (CopyrightChains transaction hash)
0x65fff89b8fd859811e18356cbe5fbe989f53ad8e895e444c67a27605925a4b7c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:3874174eb002d8116d23d86e16e78176fa4739891b71ac37d8f01faf5221131e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PYC842403972
- Bitcoin block existence check
- https://blockstream.info/api/block/960327