Back In The City

Recording by Alejandro Sanz.

Recording identifiers

ISRC
ES5701801452
CopyrightID (CopyrightChains transaction hash)
0x8731633544e6caabaa8dda7d3ea3a8732a68d323f02def300a5a34a41695678e
Copyright registration time
2026-06-06T11:18:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:b897bc491845fef249db646312e64da69b0b2ab2eabfbbe3559dce36e724e013

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.