ISRC ARG991009940
Verified recording
ARG991009940 is “La cumparsita” by Alfredo De Angelis,
registered on the CopyrightChains blockchain with CopyrightID
0x0e08de5c09690036f77713493f25d8a2db2c56f5cd44a03ff02aaa7d9ebc721b and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARG991009940.
Recording identifiers
- ISRC
- ARG991009940
- Title
- La cumparsita
- Artist
- Alfredo De Angelis
- CopyrightID (CopyrightChains transaction hash)
0x0e08de5c09690036f77713493f25d8a2db2c56f5cd44a03ff02aaa7d9ebc721b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:c53ae653a6d35fcbb8763c9dc6e5e0b014aec368fa9938640b287cba4f6d51a0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARG991009940
- Bitcoin block existence check
- https://blockstream.info/api/block/960138