The Bandmasters (March)

Recording by Matthew R. Putnam.

Recording identifiers

ISRC
GBWUL2046961
CopyrightID (CopyrightChains transaction hash)
0xa2a49896fb1a4a65a02a0c48fcbf809c3db9f0eab5f551957fc7f73068cd2a5e
Copyright registration time
2026-07-07T11:47:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8d31b23c4222db0b37c680afee90621802ba7e12ef82e5dd7e33465d681f796a

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.