Upperhand

Recording by BTTRFLY Quintet.

Recording identifiers

ISRC
USA2P2242754
CopyrightID (CopyrightChains transaction hash)
0xf4f3ad7564ec53ae12d066252131508d75c2bf37c1c47f6d62b24f373a4bd043
Copyright registration time
2026-07-06T22:13:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:bcd64a14946e3ac86e935e63cc42a892e86d137da54c9a244df9d4e3f9232a77

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.