OpenTechnical

OT-2026-000022486

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000022486) never changes.

Identity and time

Publication numberOT-2026-000022486 · never reused
Internal UUID01a0ae6f-f4fe-7c9c-b424-159137baa215 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022486
StatusPUBLIC

Content hashes

Canonical text25824ebfe7abe1481c0216df5046b67b5008619631e3c7218cf74c955c09bc6a
Markdownb42d9ca12190c294c297eb3146d010074d44beedb51b6c35eefaed4340179257
PDF
Publication page4de05b46dbd928ae4c0797957fad1456420562c678de627e1290a421a887f463
Manifest73f7b7186085cb843a0e70cd9145e2148d9bbc1e16db4acce69d196584adeec2

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
SignaturerPtSvNuBF//2b4lEkLirrY4t/pPtoUWax3R8xH/eOKuo8fTpP5GB2oWv/Q4s5d6mAr6nI3iRCNG+UvtvNsIACg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:53:53.556543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022486
observed 4de05b46dbd928ae4c0797957fad1456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:53.537696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022486/manifest.json
observed 73f7b7186085cb843a0e70cd9145e214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:53.519059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022486/publication.md
observed b42d9ca12190c294c297eb3146d01007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:53.499551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022486/publication.txt
observed 25824ebfe7abe1481c0216df5046b67b...
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.