OpenTechnical

OT-2026-000081868

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after set-down

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-2026-000081868) never changes.

Identity and time

Publication numberOT-2026-000081868 · never reused
Internal UUID01a0ae97-0f75-7675-a700-bb88ae285aa7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081868
StatusPUBLIC

Content hashes

Canonical textb642cd966ca82f572942de9484fc48eb27f38d13ae3ce360d3735a8794f2bd2c
Markdownef9f69ee16caf7c5f8564207d998555b884a19fbb93c0ebe3ba69a4753e8185a
PDF
Publication page27dd2c3ea850b00856a704bc7d849bc60d8685792ffb8069d1fc4507b6d8d854
Manifest4ee96f0677cf8388d634ac09f73d24cd786c80ed08686cd52a5ba30f97075eb5

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
SignatureZwtfGmjplq1Ala16JBfbmTksBNSp73+AlU89jLDemEfFlmLEuSHiX2HMQGLfExlZ2nmePXLwaN1aNvDISqzwCQ==
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

2026-09-17T10:00:59.119984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081868
observed 27dd2c3ea850b00856a704bc7d849bc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:59.103856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081868/manifest.json
observed 4ee96f0677cf8388d634ac09f73d24cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:59.087024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081868/publication.md
observed ef9f69ee16caf7c5f8564207d998555b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:59.070210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081868/publication.txt
observed b642cd966ca82f572942de9484fc48eb...
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.