OpenTechnical

OT-2026-000081452

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000081452) never changes.

Identity and time

Publication numberOT-2026-000081452 · never reused
Internal UUID01a0ae96-f375-72f7-9672-d5cafee241cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081452
StatusPUBLIC

Content hashes

Canonical textebd12550876051980ee44d7eaea0dbaa347dd14066f97fb6c1e870593654e333
Markdownd112590ca66913e94ec5e874ace19b4328a23cbfdf9424f2ed1f5b1e47fa2936
PDF
Publication page16b59263b30ffdeafc4cb0511269d60f115160a4f512ed427516ce7c0750a1cd
Manifestb8867b763f4b2787904777ce95f2385d2a3ffe368d81b54ab5a701c710008aa0

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
Signature0ik/vYerLsI7dwno/ak9rhMCwaXgMsfwJV5UZ9ay3OBnwdXtCPY38E63QpXZQwPIm9PYMwA2kbBvob8xUUXJBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:01:36.823816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081452
observed 16b59263b30ffdeafc4cb0511269d60f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.807854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081452/manifest.json
observed b8867b763f4b2787904777ce95f2385d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.790608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081452/publication.md
observed d112590ca66913e94ec5e874ace19b43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.772783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081452/publication.txt
observed ebd12550876051980ee44d7eaea0dbaa...
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.