First Class

Recording by Tdf.

Recording identifiers

ISRC
QZES72176488
CopyrightID (CopyrightChains transaction hash)
0x92031407f3da602f6040a5d15a914c5f3415da813a7497a0326fb78d1d960558
Copyright registration time
2026-07-29T11:20:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T11:30:20Z
Bitcoin block
960099
Canonical record hash
sha256:49c7e4edffc856bf9fdfd3eb98f8c4d99dee933ee4a8492652b4bfe75bb3ba77

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.