OpenTechnical

OT-2026-000086212

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000086212) never changes.

Identity and time

Publication numberOT-2026-000086212 · never reused
Internal UUID01a0ae99-e82c-77c2-8acc-a88bfb38e340 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086212
StatusPUBLIC

Content hashes

Canonical text21a6fd0f63bca3cbc446ac3853807181d2c1e8db981dfaba54a7198aa7981b9f
Markdown0c8a6f2e9b1708a4c782bcdde164bc12002485abb902224d41e7e54d06b6aad9
PDF
Publication page1c8cea83d38148380683041aaf5525bc874f757afb7a1265f5c78e84af860337
Manifest711aaca5d656c3587640b27c2129a313565dffa9b37518822232989a6d06195f

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
Signature9WhQYPFskvtO2lLgbbrf7g2lwtbRSec2BBzvTfnF0IDqJlmaaPXdjD3AUmKH6gmF8U6C7cHCG0eouJnX9kOyCQ==
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

2026-09-17T09:53:53.683673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086212
observed 1c8cea83d38148380683041aaf5525bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:53.667892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086212/manifest.json
observed 711aaca5d656c3587640b27c2129a313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:53.650321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086212/publication.md
observed 0c8a6f2e9b1708a4c782bcdde164bc12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:53.633527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086212/publication.txt
observed 21a6fd0f63bca3cbc446ac3853807181...
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.