ISRC DEF057801261

Verified recording

DEF057801261 is “The Sleeping Beauty Suite, Op. 66a: V. Valse. Allegro” by Pyotr Ilyich Tchaikovsky, registered on the CopyrightChains blockchain with CopyrightID 0x526e816ac4a20d04d7d4337e0099b50bd971c632daf4e6c4df38f57475a4257a and independently timestamped in Bitcoin block 957118 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057801261.

Recording identifiers

ISRC
DEF057801261
Title
The Sleeping Beauty Suite, Op. 66a: V. Valse. Allegro
Artist
Pyotr Ilyich Tchaikovsky
CopyrightID (CopyrightChains transaction hash)
0x526e816ac4a20d04d7d4337e0099b50bd971c632daf4e6c4df38f57475a4257a

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:3ffbf7c6a49ffd843abaec74c6927d3cf67a98822ef6ffa1e9046c7e882e23e6
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057801261
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: The Sleeping Beauty Suite, Op. 66a: V. Valse. Allegro · Machine-readable JSON-LD