OpenTechnical

OT-2026-000069801

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000069801) never changes.

Identity and time

Publication numberOT-2026-000069801 · never reused
Internal UUID01a0ae91-185f-71ad-8d9f-d6d4c0485dc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069801
StatusPUBLIC

Content hashes

Canonical text7dafeb2301b95ac0b10343803467b8596f4aa878bf457bfe49563f1354111446
Markdownf971366c7fc1a252f57a839b68efc1eb5c126ae096518fd2d53ad35fcc8e1617
PDF
Publication paged815ec850720a8dd034de2a8613b423161603e87d52ed9ef76ad848d82210094
Manifest77a9cfdac3bd1c343dd640a4bf34ee0f5b8481b9678a49d2a843da4482cbd417

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
Signature8vT0xAcDGUMb6x3wYDEodNnuY3kmThKJtQeuGxcNNn934u9V4SLkOZRdKd8LdC6Pv62WHxM4sD9dCB+b/0HnBw==
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

2026-09-17T10:26:37.970245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069801
observed d815ec850720a8dd034de2a8613b4231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:37.952943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069801/manifest.json
observed 77a9cfdac3bd1c343dd640a4bf34ee0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:37.933910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069801/publication.md
observed f971366c7fc1a252f57a839b68efc1eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:37.915654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069801/publication.txt
observed 7dafeb2301b95ac0b10343803467b859...
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.