ISRC QZMHN2408218
Verified recording
QZMHN2408218 is “Hard to hold it down.” by Sign,
registered on the CopyrightChains blockchain with CopyrightID
0xe8f77ece961e1e577b5a0166896b8755122e623438d5ebce6a372e3c4b63f74c and independently timestamped
in Bitcoin block 960489 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMHN2408218.
Recording identifiers
- ISRC
- QZMHN2408218
- Title
- Hard to hold it down.
- Artist
- Sign
- CopyrightID (CopyrightChains transaction hash)
0xe8f77ece961e1e577b5a0166896b8755122e623438d5ebce6a372e3c4b63f74c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T00:40:43+00:00
- Bitcoin block
- 960489
- Canonical record hash
sha256:8cc927a3d5061d9565d08d20e2d1d38c76b92d4ffac1abc9fc94be416c6051ff- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMHN2408218
- Bitcoin block existence check
- https://blockstream.info/api/block/960489
Full record
Track page: Hard to hold it down. · Machine-readable JSON-LD