OpenTechnical

OT-2026-000067743

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000067743) never changes.

Identity and time

Publication numberOT-2026-000067743 · never reused
Internal UUID01a0ae8f-c4fa-70cf-98a0-1112934c8aa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067743
StatusPUBLIC

Content hashes

Canonical textf3b19950072df017f1ea1529b6958d3eced5c2afd298726252b2c5ca966af873
Markdown131da902c922bd5d39b8eb9aad2bdecc624b2b2bfb910f67d5b63a126f718c40
PDF
Publication page1b1647471ab4c92f66157ab2a208eebf39222961cb67a9248bb1b6ddcd80a531
Manifestc07fb9eeacd77551d0449bf42190cdcc11368058a0d203ac4c8c6b06325d691d

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
SignaturetPlMwwhbLyhUBOJ8TFgkAXTSqfFEm6q5egtSsMmWokwo2uDe3elUnJf1+OXPD/EIiI8v1nOLJNfSeydhMmcmBQ==
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

2026-09-17T10:29:57.928620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067743
observed 1b1647471ab4c92f66157ab2a208eebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:57.911104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067743/manifest.json
observed c07fb9eeacd77551d0449bf42190cdcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:57.893523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067743/publication.md
observed 131da902c922bd5d39b8eb9aad2bdecc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:57.873642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067743/publication.txt
observed f3b19950072df017f1ea1529b6958d3e...
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.