Same Old Blues

Recording by Cássia Eller.

Recording identifiers

ISRC
BRUM72201319
CopyrightID (CopyrightChains transaction hash)
0x53df17458170c89959c199487a5de6320268f9fbc0b0578d2f9e0787f49bca2c
Copyright registration time
2026-06-09T06:50:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:1f6cf5c305af54ad41eaca2286feb2c4a970440366e54e4f74d298d2289a7439

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.