ISRC DEF059531503

Verified recording

DEF059531503 is “Stabat Mater, RV 621: III. O quam tristis et afflicta” by Antonio Vivaldi, registered on the CopyrightChains blockchain with CopyrightID 0xe4079cc4b0f21d156112d779f5888d0216e3e7979c694a9dd3b21ab3aefc477d and independently timestamped in Bitcoin block 953520 on 2026-06-13. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059531503.

Recording identifiers

ISRC
DEF059531503
Title
Stabat Mater, RV 621: III. O quam tristis et afflicta
Artist
Antonio Vivaldi
CopyrightID (CopyrightChains transaction hash)
0xe4079cc4b0f21d156112d779f5888d0216e3e7979c694a9dd3b21ab3aefc477d

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09+00:00
Bitcoin block
953520
Canonical record hash
sha256:2e73d2ee02cac61dbcf0c17df672fd344dac60a80f31a2329ce4e4d377341233
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059531503
Bitcoin block existence check
https://blockstream.info/api/block/953520

Full record

Track page: Stabat Mater, RV 621: III. O quam tristis et afflicta · Machine-readable JSON-LD