OpenTechnical

OT-2026-000079018

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000079018) never changes.

Identity and time

Publication numberOT-2026-000079018 · never reused
Internal UUID01a0ae95-ccbe-75d5-8d59-63be66eb10da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079018
StatusPUBLIC

Content hashes

Canonical text0dbe23b8c58fa1df64a469e1f407d6ab83602abe1f6bfda00f47bc513b90940c
Markdowna7703d653286040984c38ab955cb9b6168dd84838de6d20c372ab60c28d889e3
PDF
Publication page69a2e2ca13e819df584af23febf835e6a999f44db193645f543818742eeede85
Manifest1c153553b3c391581ff1a48dbf5af683ce8b5d9e7f313fb32e648db6843fe1f0

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
SignatureBQIU9Vvips+897AyG+EFK8I1bJqh1ooSbfmpo/yd5WL24dv3KG06IEdxcnx2ruEcKr5+li23bBIW6FA1RMWSBg==
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

2026-09-17T10:05:51.345965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079018
observed 69a2e2ca13e819df584af23febf835e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:51.326091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079018/manifest.json
observed 1c153553b3c391581ff1a48dbf5af683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:51.307892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079018/publication.md
observed a7703d653286040984c38ab955cb9b61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:51.287538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079018/publication.txt
observed 0dbe23b8c58fa1df64a469e1f407d6ab...
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.