ISRC SEWDL0517802
Verified recording
SEWDL0517802 is “Symphony No. 3, Op. 36 "Symphony of Sorrowful Songs": II. Lento e Largo - Tranquillissimo” by Henryk Górecki,
registered on the CopyrightChains blockchain with CopyrightID
0xc8d4de8e874928c16b7993bddf9f286ff4cac5ce6c662ba1a9caaeb091022a38 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0517802.
Recording identifiers
- ISRC
- SEWDL0517802
- Title
- Symphony No. 3, Op. 36 "Symphony of Sorrowful Songs": II. Lento e Largo - Tranquillissimo
- Artist
- Henryk Górecki
- CopyrightID (CopyrightChains transaction hash)
0xc8d4de8e874928c16b7993bddf9f286ff4cac5ce6c662ba1a9caaeb091022a38
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:944cc03ea681027b84c6bf39c86e172a153082adbc14bd42a8d649804d870476- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0517802
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Symphony No. 3, Op. 36 "Symphony of Sorrowful Songs": II. Lento e Largo - Tranquillissimo · Machine-readable JSON-LD