OpenTechnical

OT-2026-000081363

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, sustained blow-off before set-down

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-2026-000081363) never changes.

Identity and time

Publication numberOT-2026-000081363 · never reused
Internal UUID01a0ae96-f375-7a26-b087-6c04dde1e0d6 · 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-2026-000081363
StatusPUBLIC

Content hashes

Canonical textf6aa03b495725f1213ce5fdd598cee96632bb3f55f2443eb196d5117410c83ee
Markdownfa00ffe75a9a530e1c21a6eebf03bf2f36deb32cfb4775e6e56559c14687cc50
PDF
Publication page43fa30eb485009ab24fecde0fbf0c4f09b114e0cb636b3209d4e1f1b570b10a9
Manifest4d1f547ef9736c04bd7c2bcc83de3c5cf850e2ae615eaa33728812de2aee129d

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
SignaturehjeLYaT5pZR3B4bEXiSENDAYjsd0vGJwWt7yl00nY7VlFGTKPqNcKUq1WQOtT1hOBgJHep17xSF6hMvCLCOGCQ==
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

2026-09-17T10:01:29.758917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081363
observed 43fa30eb485009ab24fecde0fbf0c4f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:29.740673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081363/manifest.json
observed 4d1f547ef9736c04bd7c2bcc83de3c5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:29.721886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081363/publication.md
observed fa00ffe75a9a530e1c21a6eebf03bf2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:29.699821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081363/publication.txt
observed f6aa03b495725f1213ce5fdd598cee96...
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.