Sofá

Recording by Nanasai.

Recording identifiers

ISRC
BCEUW2100007
CopyrightID (CopyrightChains transaction hash)
0x5b3129d83ae03c824957b074c1864d5ce74b40c2910d18879e06d1bed355bef8
Copyright registration time
2026-07-07T09:42:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:54f0a819045d042860457d44950f3a25df98055f5da656d23c3cc570d25b90b4

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.