OpenTechnical

OT-2026-000089324

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000089324) never changes.

Identity and time

Publication numberOT-2026-000089324 · never reused
Internal UUID01a0ae9b-db01-7c5d-946e-8431ac111cb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089324
StatusPUBLIC

Content hashes

Canonical texta34d216c7fad6137d3f68172051806566683ff867115023d5bdf6b310883089c
Markdown38d4487aebd98be8527d919d5abd3bf98b5509f7acda4daaa4c1bd6dd40c3196
PDF
Publication page1081729236f751efdf0f8c9631f6eb328101083cd923e521c15f5567ab9fb41b
Manifest11fca408f339d350a88a7747f11909e81b9a2991a087df9a045e1be08de7072c

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
SignaturebXEy00j4hDJJI1ZxUau4Cc5F+2kol+tm5tbO4tL9K3MhOq1dzRCwdTPgURzHImBSIOaf81OLGGldnxdYiV0XAw==
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

2026-09-17T09:47:22.577206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089324
observed 1081729236f751efdf0f8c9631f6eb32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.559443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089324/manifest.json
observed 11fca408f339d350a88a7747f11909e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.543722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089324/publication.md
observed 38d4487aebd98be8527d919d5abd3bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.526050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089324/publication.txt
observed a34d216c7fad6137d3f6817205180656...
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.