Goodbye Waltz

Recording by John Hartford.

Recording identifiers

ISRC
USCGJ0838950
CopyrightID (CopyrightChains transaction hash)
0x693fe81fd3cc1c3967ec01708f491c7a90cc79bb4ab485a7f80bfbcb64c1dd0a
Copyright registration time
2026-07-07T14:21:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e7a8f425d9c3ebf8c68b9fbf4a169d28d7a568a2ba66ff03c698a4b129d2c95a

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.