OpenTechnical

OT-2026-000091584

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained blow-off before 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-2026-000091584) never changes.

Identity and time

Publication numberOT-2026-000091584 · never reused
Internal UUID01a0ae9c-f16e-7392-ab79-419d42d84a67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091584
StatusPUBLIC

Content hashes

Canonical text943ebf317652843f9c97cfd0ee502b264b7e3daff50d68c717b66dcfc48b1edb
Markdownb26e75fc131d53592e62f8292fed55f78bf8ebd55f91fb273cda7ebf344d3a21
PDF
Publication page6439168a02c7f4d71364f478d6917ece481ca06719cb1ed458ca23b601641ca3
Manifesta0d1b0c5149987a24171b37f702cf2582e389dc28335852505526f1a1f5701f1

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
SignaturefLRA2yzjpOhVF797OtaA9GAJuYD4GtckkbeD177OA9pLVgPnA59yor8KhbQ3qLx7SnFoLFA3Ld5C4yAPAQ9IAg==
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

2026-09-17T09:43:51.455602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091584
observed 6439168a02c7f4d71364f478d6917ece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:51.438759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091584/manifest.json
observed a0d1b0c5149987a24171b37f702cf258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:51.421835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091584/publication.md
observed b26e75fc131d53592e62f8292fed55f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:51.405930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091584/publication.txt
observed 943ebf317652843f9c97cfd0ee502b26...
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.