ISRC DEA892000057
Verified recording
DEA892000057 is “La Cumparsita” by Wolfgang Haffner,
registered on the CopyrightChains blockchain with CopyrightID
0x339a9a6242f9c2604bd27ebacf7d3f039ccfc820510acd4a324b45d8ed104f20 and independently timestamped
in Bitcoin block 960099 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA892000057.
Recording identifiers
- ISRC
- DEA892000057
- Title
- La Cumparsita
- Artist
- Wolfgang Haffner
- CopyrightID (CopyrightChains transaction hash)
0x339a9a6242f9c2604bd27ebacf7d3f039ccfc820510acd4a324b45d8ed104f20
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:30:20+00:00
- Bitcoin block
- 960099
- Canonical record hash
sha256:5022578ad51d10392dc65fd882181512c7bcceda2a0f52d83e1e1b19f3a80528- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA892000057
- Bitcoin block existence check
- https://blockstream.info/api/block/960099