Sommarsången

Recording by Astrid Söderman Carlberg.

Recording identifiers

ISRC
SEVGT1301502
CopyrightID (CopyrightChains transaction hash)
0xd665002333e4c01fd5078930a39f9543dde5fa700665fd27b073bb349dda74b4
Copyright registration time
2026-07-30T04:37:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T04:47:22Z
Bitcoin block
960207
Canonical record hash
sha256:2519ca87d53264a06aaa587671927729e4440aa7b4783ce77fa1f633aa134ad7

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.