Amsterdam

Recording by Nephew.

Recording identifiers

ISRC
DKUM71800001
CopyrightID (CopyrightChains transaction hash)
0x3c4a699bef38e95b567d9a3b65134b7f2ff16512208ce41424adbf683504b731
Copyright registration time
2026-06-04T15:15:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:33ecf02f491a468581c3c02d91d26d262fd9855fb81c0ac8139eebf724be77ac

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.