OpenTechnical

OT-2026-000074483

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000074483) never changes.

Identity and time

Publication numberOT-2026-000074483 · never reused
Internal UUID01a0ae93-717a-7d01-b065-b86de2c993e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074483
StatusPUBLIC

Content hashes

Canonical text30cba0aeca23c01133677318d31c8e7e403477d9c3421523f58539bd55c93574
Markdowna1fd47d52dea501293301bad905c5124b27158f2e0bc61df4ef28d493a741ad4
PDF
Publication page187619b982493b60a4b0797984a91df2395860abfbbef148c2f97bec6ab568aa
Manifestf70e1a9a32814982e248c29e391da8363d8d2eb7b9066f5855a73015f2f51cc1

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
SignatureXT8GOFa8Q89xW5AXvv0ve0ITLpl2lx+noDGPctgE9tj310gHg40VBBU+4i43mEOaM5U43ez49F8vwXimtcXkAQ==
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

2026-09-17T10:19:26.899809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074483
observed 187619b982493b60a4b0797984a91df2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.882318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074483/manifest.json
observed f70e1a9a32814982e248c29e391da836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.863762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074483/publication.md
observed a1fd47d52dea501293301bad905c5124...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.843366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074483/publication.txt
observed 30cba0aeca23c01133677318d31c8e7e...
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.