ISRC NLA507100162
Verified recording
NLA507100162 is “String Quartet No. 1 in D, Op. 11 - orchestral version: 2. Andante cantabile” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x624c4a83ffd2c8abc9e4ab1e15bd3ea89c39ce23476e890a9d3149b88266ab8a 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/NLA507100162.
Recording identifiers
- ISRC
- NLA507100162
- Title
- String Quartet No. 1 in D, Op. 11 - orchestral version: 2. Andante cantabile
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x624c4a83ffd2c8abc9e4ab1e15bd3ea89c39ce23476e890a9d3149b88266ab8a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:7552753facc27e15e7121aad7bbfee31751edc48b2cd9fb720f73f93b1254909- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507100162
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: String Quartet No. 1 in D, Op. 11 - orchestral version: 2. Andante cantabile · Machine-readable JSON-LD