ISRC DEF057530001
Verified recording
DEF057530001 is “Requiem, K. 626: IIIf. Lacrimosa - Recorded 1975” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x6386d0f0bc6a2d08459cf846e978def80bc41102397ad8e0c313c906f4d3ac1f 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/DEF057530001.
Recording identifiers
- ISRC
- DEF057530001
- Title
- Requiem, K. 626: IIIf. Lacrimosa - Recorded 1975
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x6386d0f0bc6a2d08459cf846e978def80bc41102397ad8e0c313c906f4d3ac1f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:1f900d25747170fe06cb558ba9067bd830079e386273b2f1a8f8e49f53cbe639- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530001
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Requiem, K. 626: IIIf. Lacrimosa - Recorded 1975 · Machine-readable JSON-LD