ISRC CALC40600383
Verified recording
CALC40600383 is “Spiegel im spiegel” by Arvo Pärt,
registered on the CopyrightChains blockchain with CopyrightID
0x6372dcefe7099766d54742a993864e9e70d6483dd1d092c03ccde6089166fb5c and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC40600383.
Recording identifiers
- ISRC
- CALC40600383
- Title
- Spiegel im spiegel
- Artist
- Arvo Pärt
- CopyrightID (CopyrightChains transaction hash)
0x6372dcefe7099766d54742a993864e9e70d6483dd1d092c03ccde6089166fb5c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:c4238c8e15f0a87dc783eeedae9e361cac3f8f46a0a5265d7deb24bfcb9dd090- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC40600383
- Bitcoin block existence check
- https://blockstream.info/api/block/953513