ISRC AR1K21300022
Verified recording
AR1K21300022 is “Please Mr. Postman” by Sister Mary Elephant,
registered on the CopyrightChains blockchain with CopyrightID
0x5645e993d37ca5bfca0a08481752f5ae951c7f13d7e462ae07b53534843f66da and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AR1K21300022.
Recording identifiers
- ISRC
- AR1K21300022
- Title
- Please Mr. Postman
- Artist
- Sister Mary Elephant
- CopyrightID (CopyrightChains transaction hash)
0x5645e993d37ca5bfca0a08481752f5ae951c7f13d7e462ae07b53534843f66da
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:0a316e2255f73baece6bfbd1e9ec475bc7962f81ef6475b93be673a2146e040c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AR1K21300022
- Bitcoin block existence check
- https://blockstream.info/api/block/960138