ISRC ATT471501707
Verified recording
ATT471501707 is “Walzer, No. 2” by Dmitri Shostakovich,
registered on the CopyrightChains blockchain with CopyrightID
0x442be431f9354e78710c115ef51dfa0ae92a758a6517a76bd91290307e912490 and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATT471501707.
Recording identifiers
- ISRC
- ATT471501707
- Title
- Walzer, No. 2
- Artist
- Dmitri Shostakovich
- CopyrightID (CopyrightChains transaction hash)
0x442be431f9354e78710c115ef51dfa0ae92a758a6517a76bd91290307e912490
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:d69332d3f52e4a951802f637020e30113e9f6b398ed85efcde4dac7c16a8d2c8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATT471501707
- Bitcoin block existence check
- https://blockstream.info/api/block/953515