OpenTechnical

OT-2026-000078695

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000078695) never changes.

Identity and time

Publication numberOT-2026-000078695 · never reused
Internal UUID01a0ae95-ccbb-769c-a18d-97769801fc9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078695
StatusPUBLIC

Content hashes

Canonical textae7e972946dcdc822d327d8597f7c607fb04290de5a8328afdcaf2b5d47f63da
Markdownaae6759866b3ddecfe5eb4cb8188f2124103727bc6cfaa4d56d986d9a7858175
PDF
Publication page3580f27dd184cba78aa2e3cb2dfa8e37b9a38b818d12805538e501799cae57ae
Manifeste8dbdc21be3c3a6356c35ce59c1fac509397bf0e101f6e36ef41e7677c0f2885

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
SignatureBhoOzOtsNb1C+MJ5y5CoLc0qjf4er2xaItpQ24WOvq2cc2QV2TlW2QUub+eHo4fcCHGi5fPLj7RPGbD/VwQEBw==
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

2026-09-17T10:05:28.585405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078695
observed 3580f27dd184cba78aa2e3cb2dfa8e37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:28.569037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078695/manifest.json
observed e8dbdc21be3c3a6356c35ce59c1fac50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:28.551802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078695/publication.md
observed aae6759866b3ddecfe5eb4cb8188f212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:28.534905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078695/publication.txt
observed ae7e972946dcdc822d327d8597f7c607...
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.