ISRC US2BR9700917
Verified recording
US2BR9700917 is “Nostalgia” by Oscar D'León,
registered on the CopyrightChains blockchain with CopyrightID
0x31490c5ed548c540bc5f26866f15fa8a78e86da01d44d899be032079f50670c9 and independently timestamped
in Bitcoin block 960259 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2BR9700917.
Recording identifiers
- ISRC
- US2BR9700917
- Title
- Nostalgia
- Artist
- Oscar D'León
- CopyrightID (CopyrightChains transaction hash)
0x31490c5ed548c540bc5f26866f15fa8a78e86da01d44d899be032079f50670c9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:51:24+00:00
- Bitcoin block
- 960259
- Canonical record hash
sha256:df8e2fdf0c64e112aaaa711da1a71e4cf9c55deb84f16d032a2bc50c666d056d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2BR9700917
- Bitcoin block existence check
- https://blockstream.info/api/block/960259