Barcelona

Recording by Brian Simpson.

Recording identifiers

ISRC
US7SF2357367
CopyrightID (CopyrightChains transaction hash)
0x311709776993eec63e65af6c806c4e330fd0a600ca3a84837af03ff77c6500ba
Copyright registration time
2026-06-06T19:26:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:7e5d2e83980fe9911fb24b2c2d85f74b36c5e419dd7941cbc9e62eb209b96e3d

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.