OpenTechnical

OT-2026-000018122

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000018122) never changes.

Identity and time

Publication numberOT-2026-000018122 · never reused
Internal UUID01a0ae6e-b487-76d8-8c82-dab84b988ded · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018122
StatusPUBLIC

Content hashes

Canonical textf168cb970cb7b6ba054d6050c19322bdd786fa5487fa355beda0b8e8f09a77d5
Markdown13107c1c3aec87efc8b3931205ca65e050c9398642fe75b81435bbb14df4cf31
PDF
Publication page19b538fea584e13a738555d3653e1fe40dd39c7c6d27d4ed7bcc8fd3471faa3c
Manifest72f61719b6d5c90c8e019bb3afe2bec952c3952a24cc28d295aad3abdced1541

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
SignaturenuIwbMhCQLGKa0dXTnmqPXTFxODn3hUZ3sikI7mXvqU+4F9ZRItkCHnkfxzvK+BvSFg0pfGilH6SMddoYyscCQ==
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

2026-09-17T11:59:51.899336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018122
observed 19b538fea584e13a738555d3653e1fe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:51.880819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018122/manifest.json
observed 72f61719b6d5c90c8e019bb3afe2bec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:51.862745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018122/publication.md
observed 13107c1c3aec87efc8b3931205ca65e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:51.845660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018122/publication.txt
observed f168cb970cb7b6ba054d6050c19322bd...
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.