ISRC DEF057302082
Verified recording
DEF057302082 is “Lieder ohne Worte III, Op. 38: II. Allegro non troppo, MWV U115 "Lost Happiness"” by Felix Mendelssohn,
registered on the CopyrightChains blockchain with CopyrightID
0xbfaca0967f8076b52de54f70424005ae9668b7a749588d4016f7499ada5dbd2b 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/DEF057302082.
Recording identifiers
- ISRC
- DEF057302082
- Title
- Lieder ohne Worte III, Op. 38: II. Allegro non troppo, MWV U115 "Lost Happiness"
- Artist
- Felix Mendelssohn
- CopyrightID (CopyrightChains transaction hash)
0xbfaca0967f8076b52de54f70424005ae9668b7a749588d4016f7499ada5dbd2b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:2a763e463912bcb46edea4d2f316c20bfc2ce2ae09548f764eb08b66a9e7064f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057302082
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: Lieder ohne Worte III, Op. 38: II. Allegro non troppo, MWV U115 "Lost Happiness" · Machine-readable JSON-LD