Back in time

Recording by Hanna Gravdal.

Recording identifiers

ISRC
NONDV2401010
CopyrightID (CopyrightChains transaction hash)
0xc28c85e73dd60d6f1efa195c8f14a2cd91cd5364b1b1201febfc5b9583ec4172
Copyright registration time
2026-07-08T01:05:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:bd1be6a12bf1d71391387088ddecbb3e9ec8206d8b1887839b052869cbfab35f

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.