Na Surdina

Recording by Instituto.

Recording identifiers

ISRC
BXSEL1500006
CopyrightID (CopyrightChains transaction hash)
0x6d61920e5abc73196692c621f2ef6cc3df6117e3508ad858563121d271d980bd
Copyright registration time
2026-07-22T06:01:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T06:33:30Z
Bitcoin block
959105
Canonical record hash
sha256:41dade33d264c8c9ef74585a789742e4aea0140593233fbf21fd9d4afa4f1a95

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.