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
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:091a9680b14b43cdd75eb070cc81eb66a2eb35b50d34410eccf255b6712a73fc

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.