ISRC USQ4E2400783
Verified recording
USQ4E2400783 is “Black Bag” by David Holmes,
registered on the CopyrightChains blockchain with CopyrightID
0x401b4e9756c272f28fdc8c439d6e7379b8f8c41498c5e4a66a9c064da93e00e9 and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQ4E2400783.
Recording identifiers
- ISRC
- USQ4E2400783
- Title
- Black Bag
- Artist
- David Holmes
- CopyrightID (CopyrightChains transaction hash)
0x401b4e9756c272f28fdc8c439d6e7379b8f8c41498c5e4a66a9c064da93e00e9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:8d4b3f903c46d8e036f3031fb1827b3ac80cf1b2a864dc90e7a36751338b78b3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQ4E2400783
- Bitcoin block existence check
- https://blockstream.info/api/block/953515