OpenTechnical

OT-2026-000086436

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000086436) never changes.

Identity and time

Publication numberOT-2026-000086436 · never reused
Internal UUID01a0ae9a-2c97-7677-a0ac-851a0d64a13e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086436
StatusPUBLIC

Content hashes

Canonical text455f261c24ac4aec6b33f17ea9290050b3a2148cd57ebda496eb384bf40e219f
Markdowndaf637924a3a2fee42de9c96e588735cd28384693340a4c5d39961e668274250
PDF
Publication page8ffa774e055b44aac5be8a3be1c13f7f68754e8c80dd5112f78b8f2b8abf27ab
Manifest2faa0569bc8fc37bdbf646b0b15ef4c80819993ffe305a469d3df52441b0c29a

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
Signature4oWUjUreAGsjF9ePsHWVzuCoJO/Mh+0Ew/f+sZtU098ZUkveoKfFVVRfJxRuwSPXNdYrqdyiuP5Zr6tUmxeuBA==
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

2026-09-17T09:52:14.075819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086436
observed 8ffa774e055b44aac5be8a3be1c13f7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:14.058226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086436/manifest.json
observed 2faa0569bc8fc37bdbf646b0b15ef4c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:14.040439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086436/publication.md
observed daf637924a3a2fee42de9c96e588735c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:14.021169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086436/publication.txt
observed 455f261c24ac4aec6b33f17ea9290050...
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.