ISRC SEWDL0535410
Verified recording
SEWDL0535410 is “The Nutcracker, Op. 71, Act I: IX. Waltz of the Snowflakes” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x91428c1a7a09cffbf8fcbe1a20497b097544f9dcf7a74414080bf1b9115b0bb2 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/SEWDL0535410.
Recording identifiers
- ISRC
- SEWDL0535410
- Title
- The Nutcracker, Op. 71, Act I: IX. Waltz of the Snowflakes
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x91428c1a7a09cffbf8fcbe1a20497b097544f9dcf7a74414080bf1b9115b0bb2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:f1f5beadbaaaeea6690b9fcdc56931570ee23ffed1a324e35b6ad000c3ab3b1c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0535410
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: The Nutcracker, Op. 71, Act I: IX. Waltz of the Snowflakes · Machine-readable JSON-LD