Speak In Rounds

Recording by Grizzly Bear.

Recording identifiers

ISRC
GBBPW1200142
CopyrightID (CopyrightChains transaction hash)
0xb3babcbabf478169862d30cb048e45fea4dc0a51450245a5e95740c0803d3b9c
Copyright registration time
2026-06-06T19:24:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:e92b8e245249c2d359e3e9744b8fdc2dfc459f7765ff68b27a7936605ef31142

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.