ISRC SEWDL6018211
Verified recording
SEWDL6018211 is “Halo 3: One Final Effort” by Martin O'Donnell,
registered on the CopyrightChains blockchain with CopyrightID
0x74f05f4ea66dbbfda79d0bb17cecdf9e4859ede8419663e86a09ec91c526a8d6 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL6018211.
Recording identifiers
- ISRC
- SEWDL6018211
- Title
- Halo 3: One Final Effort
- Artist
- Martin O'Donnell
- CopyrightID (CopyrightChains transaction hash)
0x74f05f4ea66dbbfda79d0bb17cecdf9e4859ede8419663e86a09ec91c526a8d6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:14d19dc9ddf88c9649717ef916037ba20d65d3a669304865e290c3abfb536820- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL6018211
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Halo 3: One Final Effort · Machine-readable JSON-LD