OpenTechnical

OT-2026-000011722

Publication integrity record

Four finger electric gripper

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000011722) never changes.

Identity and time

Publication numberOT-2026-000011722 · never reused
Internal UUID01a0ae6d-1940-74c4-be1a-ef7d364de12e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011722
StatusPUBLIC

Content hashes

Canonical textd2f9c7cc39cffb2f85241d493e04873275979c4a3518c8613728ff489ac9171c
Markdowncd1e3ceb6ee21ee600c871919389643d2995392595f8de536a12517668203b3e
PDF
Publication page602301a4667e5e2bd6a59e928f27bec4ad6af0cf2b453550b62c637b70ed6ccc
Manifest069929fcd2de698e51641bf20654095551df3228599751f19afb20002b952b90

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureX9NJlGr5Z89BpksQHKkUd5ifR8q6bLHpi0qPWCuPfcgO+dL1vw7wpeZRlxpYhuF1fdNN1pWcx2L6hdjVfQ7hAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:20.182827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011722
observed 602301a4667e5e2bd6a59e928f27bec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:20.163682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011722/manifest.json
observed 069929fcd2de698e51641bf206540955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:20.144388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011722/publication.md
observed cd1e3ceb6ee21ee600c871919389643d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:20.124863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011722/publication.txt
observed d2f9c7cc39cffb2f85241d493e048732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.