ISRC DEF706000300
Verified recording
DEF706000300 is “Tammy” by Bert Kaempfert,
registered on the CopyrightChains blockchain with CopyrightID
0x7ee6113e3a2edf240a9572b6281ee0e5f1d62e26a9d4bcb5d53aec45079bbf1a 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/DEF706000300.
Recording identifiers
- ISRC
- DEF706000300
- Title
- Tammy
- Artist
- Bert Kaempfert
- CopyrightID (CopyrightChains transaction hash)
0x7ee6113e3a2edf240a9572b6281ee0e5f1d62e26a9d4bcb5d53aec45079bbf1a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:3121686d8953bbd78efb625533f34455a6467f4f59c5d3b8cfe12a05ea641bf4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF706000300
- Bitcoin block existence check
- https://blockstream.info/api/block/957118