OpenTechnical

OT-2026-000055602

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000055602) never changes.

Identity and time

Publication numberOT-2026-000055602 · never reused
Internal UUID01a0ae86-a103-7ae9-87b7-ddda8fec8d19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055602
StatusPUBLIC

Content hashes

Canonical text116094b4a5139f68259908e93b7501a4b8ca60e93ccf890e7f0f854ef844266f
Markdowna279b7c28c55ea8848678c0dd571a6aad0209f0cf4d70b46c72402a1582134f2
PDF
Publication page112483453ceb9f91be0e171cfbda8f4fe5ab9a95e7d68e0523197d2ab3404b1c
Manifest240860408425e1105f40cb647dcc4f0b0f0b51436096445d6b241fb397a0f1a0

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
SignatureLBjaoWZISUlSL2GRwSM4esLlXFqHd61ZHabAe9RAS3hUmh34COHPHlVCKk7pomx7ebvf9HC3rQbzNOXyV+JDBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:50.652231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055602
observed 112483453ceb9f91be0e171cfbda8f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:50.635057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055602/manifest.json
observed 240860408425e1105f40cb647dcc4f0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:50.614755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055602/publication.md
observed a279b7c28c55ea8848678c0dd571a6aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:50.596751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055602/publication.txt
observed 116094b4a5139f68259908e93b7501a4...
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.