last dance

Recording by leapyear.

Recording identifiers

ISRC
QZNWR2421499
CopyrightID (CopyrightChains transaction hash)
0x8d125b74cac32a1ae75c2fef2c7164d0fc1257c54be21932031f770403d635dc
Copyright registration time
2026-06-20T12:44:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:efbcf9a900d6b1cd562a8c82b38b2c8df4903631e6961a868ecb2e90a25a3631

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.