ISRC NLHR52105565
Verified recording
NLHR52105565 is “Union Square” by Cal Tjader Quartet,
registered on the CopyrightChains blockchain with CopyrightID
0x2d6e45e62aff7e34185d317abeaf078ab151f2d66371410bd4a89b26763f368d and independently timestamped
in Bitcoin block 960157 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLHR52105565.
Recording identifiers
- ISRC
- NLHR52105565
- Title
- Union Square
- Artist
- Cal Tjader Quartet
- CopyrightID (CopyrightChains transaction hash)
0x2d6e45e62aff7e34185d317abeaf078ab151f2d66371410bd4a89b26763f368d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:12:10+00:00
- Bitcoin block
- 960157
- Canonical record hash
sha256:3abae954efa1dd829b82bc2321d2b171dc9590c580d03677d2a25f23db51f9f5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLHR52105565
- Bitcoin block existence check
- https://blockstream.info/api/block/960157