Sleepsong

Recording by Wilbert Magré.

Recording identifiers

ISRC
NLL6R1700697
CopyrightID (CopyrightChains transaction hash)
0xe75dce07bf52bfcad5521018209277ff76c47878e5c2eb81450a26379ad5a5b0
Copyright registration time
2026-07-29T16:13:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:56cca89371c5ffe160eb6c9712a2cb2e7c6caeb6775954b4dc7146a6b500fd2b

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.