ISRC AUFFF1800073
Verified recording
AUFFF1800073 is “Lose Blätter, Op. 147: No. 2 in A Minor, Lose Blätter” by Carl Kölling,
registered on the CopyrightChains blockchain with CopyrightID
0x0dc74a48ac183759e10ad38270d1ad20364233666f2fa077dfa25f45278c4265 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/AUFFF1800073.
Recording identifiers
- ISRC
- AUFFF1800073
- Title
- Lose Blätter, Op. 147: No. 2 in A Minor, Lose Blätter
- Artist
- Carl Kölling
- CopyrightID (CopyrightChains transaction hash)
0x0dc74a48ac183759e10ad38270d1ad20364233666f2fa077dfa25f45278c4265
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:52a96393c6860fa76ce5d37d1ab93f067c178e1f88cb3a21fd0bc56d819ecae7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUFFF1800073
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Lose Blätter, Op. 147: No. 2 in A Minor, Lose Blätter · Machine-readable JSON-LD