ISRC DEF057204240
Verified recording
DEF057204240 is “Du gamla, du fria (National Anthem of Sweden)” by Traditional,
registered on the CopyrightChains blockchain with CopyrightID
0xefe1fe47fe2be3a10113942f47dcec02a0073c7b82623384a315f600e5d03184 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/DEF057204240.
Recording identifiers
- ISRC
- DEF057204240
- Title
- Du gamla, du fria (National Anthem of Sweden)
- Artist
- Traditional
- CopyrightID (CopyrightChains transaction hash)
0xefe1fe47fe2be3a10113942f47dcec02a0073c7b82623384a315f600e5d03184
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:4d7432df26a6b7802ce76c13bc276def35e0f3b39ae0556eb14f7520005286b2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057204240
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Du gamla, du fria (National Anthem of Sweden) · Machine-readable JSON-LD