OpenTechnical

OT-2026-000063266

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000063266) never changes.

Identity and time

Publication numberOT-2026-000063266 · never reused
Internal UUID01a0ae8c-94ab-71bc-9f43-c5e69c528d3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063266
StatusPUBLIC

Content hashes

Canonical textb83a729a711bc2b283af7afbd21c43f1fd01776eefb74e0b7ce58738fa8beaee
Markdownb5774137d429b7a70f2ad323a3a801f49c51c5314d0d0a5cb6ae2e5d6373f12a
PDF
Publication page432ab0d6ea026a25718d830f9931178ab2b207a8127bbb48c78feba2a2255569
Manifest84bb957389e097bedde307b0ef5437b07ebc79660578c5b6a25b6460b81e36e3

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
SignatureDX97qCMQbw2w56g+80KqABojGteISojBQ1WusL7mwGYoUTxKw5rwohLhpxdkWR+LH24iDOjPUGlbzjXxDmTTCA==
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

2026-09-17T10:39:09.282524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063266
observed 432ab0d6ea026a25718d830f9931178a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:09.264506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063266/manifest.json
observed 84bb957389e097bedde307b0ef5437b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:09.246027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063266/publication.md
observed b5774137d429b7a70f2ad323a3a801f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:09.226532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063266/publication.txt
observed b83a729a711bc2b283af7afbd21c43f1...
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.