ISRC USQX91500812
Verified recording
USQX91500812 is “Wiegenlied, Op. 49, No. 4 (Arr. for Cello and Piano) [Brahms Lullaby]” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0xa5b0cf0f5b7626cb29a36f99f3b8c6a35569d7c2a8531f8760c6aaef0b2eac13 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX91500812.
Recording identifiers
- ISRC
- USQX91500812
- Title
- Wiegenlied, Op. 49, No. 4 (Arr. for Cello and Piano) [Brahms Lullaby]
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0xa5b0cf0f5b7626cb29a36f99f3b8c6a35569d7c2a8531f8760c6aaef0b2eac13
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:dbb55022c0055d5369ac1d61b102bd63fa83b2f13dcfb0a27825b222c637ccd0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX91500812
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Wiegenlied, Op. 49, No. 4 (Arr. for Cello and Piano) [Brahms Lullaby] · Machine-readable JSON-LD