ISRC US23M1400003
Verified recording
US23M1400003 is “When I Survey the Wondrous Cross” by Lowell Mason,
registered on the CopyrightChains blockchain with CopyrightID
0xea1bb9e73dac354093a693bb09ab9496cb985fea81d329bd3bfd80d078954410 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US23M1400003.
Recording identifiers
- ISRC
- US23M1400003
- Title
- When I Survey the Wondrous Cross
- Artist
- Lowell Mason
- CopyrightID (CopyrightChains transaction hash)
0xea1bb9e73dac354093a693bb09ab9496cb985fea81d329bd3bfd80d078954410
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:cd0866b7aa68309acd9bb5249c15b29d2bfc53836791526401a4b7bd87a7bd5a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US23M1400003
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: When I Survey the Wondrous Cross · Machine-readable JSON-LD