ISRC DEF058700035

Verified recording

DEF058700035 is “Symphony No. 9: IIf. Tempo I - Live at Konzerthaus, Vienna, 1987” by Gustav Mahler, registered on the CopyrightChains blockchain with CopyrightID 0xf93913158ae7c5626551e33e56a902e018076597037bf3738ec3dc2a4e593073 and independently timestamped in Bitcoin block 960397 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058700035.

Recording identifiers

ISRC
DEF058700035
Title
Symphony No. 9: IIf. Tempo I - Live at Konzerthaus, Vienna, 1987
Artist
Gustav Mahler
CopyrightID (CopyrightChains transaction hash)
0xf93913158ae7c5626551e33e56a902e018076597037bf3738ec3dc2a4e593073

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41+00:00
Bitcoin block
960397
Canonical record hash
sha256:3cf446ee6ae335a4e0d90ea7aa213f65c8601d176aafd39613acd59f39d107ef
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058700035
Bitcoin block existence check
https://blockstream.info/api/block/960397

Full record

Track page: Symphony No. 9: IIf. Tempo I - Live at Konzerthaus, Vienna, 1987 · Machine-readable JSON-LD