OpenTechnical

OT-2026-000085173

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000085173) never changes.

Identity and time

Publication numberOT-2026-000085173 · never reused
Internal UUID01a0ae99-43b9-7c50-8194-c913e0b65dc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085173
StatusPUBLIC

Content hashes

Canonical text5117044d34c1d60f5f3bfcec09b174b79230f536ca1bac3700b7283500cc59ed
Markdown21347e35ceafc5a007f7860add8c07953d4dc709904dd2f7798628ccad10895d
PDF
Publication pageac5139345a318b1edfccc61a6f63b7140fdcfc63764dfd9cb5ffd852b7878e51
Manifestffc6028df98a5887e338d61e649c6b71a12eeed868d2229f39ffb71c1aec43c6

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
SignaturejFworav+wI90eKq6lVMGY22ZJv8HmNU7F7Vmh75zgqBx3h41QSpKOntKTsvusKIzri92D0s50dSCLbW0qKa7Cg==
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

2026-09-17T09:55:15.363684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085173
observed ac5139345a318b1edfccc61a6f63b714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:15.347258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085173/manifest.json
observed ffc6028df98a5887e338d61e649c6b71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:15.329953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085173/publication.md
observed 21347e35ceafc5a007f7860add8c0795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:15.313518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085173/publication.txt
observed 5117044d34c1d60f5f3bfcec09b174b7...
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.