ISRC SEWDL0502807
Verified recording
SEWDL0502807 is “String Quartet No. 14 in G Major, K. 387 (Haydn Quartet No. 1, "Spring"): III. Andante cantabile” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xd6377ed67a712f1e5280acd75f699490339f7ecd325d507a50368d0c76f36de9 and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0502807.
Recording identifiers
- ISRC
- SEWDL0502807
- Title
- String Quartet No. 14 in G Major, K. 387 (Haydn Quartet No. 1, "Spring"): III. Andante cantabile
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xd6377ed67a712f1e5280acd75f699490339f7ecd325d507a50368d0c76f36de9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:04f9c23ea8bd41a9bd5eb606b33d5996014a33aba41bda3edbaf03910cafad5c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0502807
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: String Quartet No. 14 in G Major, K. 387 (Haydn Quartet No. 1, "Spring"): III. Andante cantabile · Machine-readable JSON-LD