ISRC SEAEV1309020

Verified recording

SEAEV1309020 is “String Quartet No. 5 in C Major, Op. 29, "Serenade": II. Ballata. Allegretto scherzando” by Wilhelm Stenhammar, registered on the CopyrightChains blockchain with CopyrightID 0xb8baeef636969a96da6aa22ab6bfc1d192a992bdab5da5619ed0ad62bf34b3db and independently timestamped in Bitcoin block 960144 on 2026-07-29. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEV1309020.

Recording identifiers

ISRC
SEAEV1309020
Title
String Quartet No. 5 in C Major, Op. 29, "Serenade": II. Ballata. Allegretto scherzando
Artist
Wilhelm Stenhammar
CopyrightID (CopyrightChains transaction hash)
0xb8baeef636969a96da6aa22ab6bfc1d192a992bdab5da5619ed0ad62bf34b3db

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T21:09:47+00:00
Bitcoin block
960144
Canonical record hash
sha256:84cfc250fc65546d94862374c130bbf7ed49ed6b2fffdf3670e641da6f365bc2
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEV1309020
Bitcoin block existence check
https://blockstream.info/api/block/960144

Full record

Track page: String Quartet No. 5 in C Major, Op. 29, "Serenade": II. Ballata. Allegretto scherzando · Machine-readable JSON-LD