ISRC CHE271900097
Verified recording
CHE271900097 is “Ludus Tonalis: XXV. Postludium (Solenne, largo - Arioso, tranquillo - Moderato)” by Paul Hindemith,
registered on the CopyrightChains blockchain with CopyrightID
0xbb55089a1158cff3cc4d8bc4c2a1752477692bc257c36c137b23b07b97f13072 and independently timestamped
in Bitcoin block 960427 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CHE271900097.
Recording identifiers
- ISRC
- CHE271900097
- Title
- Ludus Tonalis: XXV. Postludium (Solenne, largo - Arioso, tranquillo - Moderato)
- Artist
- Paul Hindemith
- CopyrightID (CopyrightChains transaction hash)
0xbb55089a1158cff3cc4d8bc4c2a1752477692bc257c36c137b23b07b97f13072
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:59:18+00:00
- Bitcoin block
- 960427
- Canonical record hash
sha256:2cec9f1640b49f60a48b6886eac3f26377a9811e077c9aa5bfa453a65d6300b3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CHE271900097
- Bitcoin block existence check
- https://blockstream.info/api/block/960427
Full record
Track page: Ludus Tonalis: XXV. Postludium (Solenne, largo - Arioso, tranquillo - Moderato) · Machine-readable JSON-LD