Study Tranquility in Keys

Recording by Office Background Music.

Recording identifiers

ISRC
QZWDE2328318
CopyrightID (CopyrightChains transaction hash)
0x2a434ab5436473460e219d8bb86a324d6ff8c3f19e3fb3ca896ccea5d6b59d82
Copyright registration time
2026-07-22T17:34:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T17:48:40Z
Bitcoin block
959159
Canonical record hash
sha256:d0d4a88227a9d515bb85fe20f7290e36e789b426ffd36aa198c2327470b70270

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.