ISRC US6X50900229
Verified recording
US6X50900229 is “Symphony No. 35 "Haffner"” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x89d08fe9fd0e65e7398f124de1c9f83128e25c3c8f7de4fee867e6c43bd8b86f and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6X50900229.
Recording identifiers
- ISRC
- US6X50900229
- Title
- Symphony No. 35 "Haffner"
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x89d08fe9fd0e65e7398f124de1c9f83128e25c3c8f7de4fee867e6c43bd8b86f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:a45ae58f706a3bd652a6c375c831440ad39703520edaedd1af7375c4f6b32512- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6X50900229
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Symphony No. 35 "Haffner" · Machine-readable JSON-LD