OpenTechnical

OT-2026-000091376

Publication integrity record

Foam pad vacuum gripper, two zone face, three 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-2026-000091376) never changes.

Identity and time

Publication numberOT-2026-000091376 · never reused
Internal UUID01a0ae9c-f16d-73f5-8886-e14819799c97 · 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-2026-000091376
StatusPUBLIC

Content hashes

Canonical text55402da110581746537fd41c214402d292dff67e9b2f4ff59779ff92355e105a
Markdown55daf7c345ff107c33b80faf4efc70170f460e0c807639ec8f0930fb90d2b2ba
PDF
Publication page558b0a9ac316d0e967bb1c6794077011b0862110e11b238cef6fc25cbfb2e254
Manifestfb2f354653e6a82750032d04ae5900c0c0e9b13932a5ed18e099f1765def4bcd

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
SignaturejKJuqI37NLbaXonQ6DL7Dhw1UUwtXvLmth2j3cHOECnC+gVnD+txqjt2YBk9PCMbRfSlCeB2chXJLhaAzOF4DA==
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

2026-09-17T09:43:35.783814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091376
observed 558b0a9ac316d0e967bb1c6794077011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.766317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091376/manifest.json
observed fb2f354653e6a82750032d04ae5900c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.749315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091376/publication.md
observed 55daf7c345ff107c33b80faf4efc7017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.731190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091376/publication.txt
observed 55402da110581746537fd41c214402d2...
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.