OpenTechnical

OT-2026-000067985

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000067985) never changes.

Identity and time

Publication numberOT-2026-000067985 · never reused
Internal UUID01a0ae8f-c4fd-7c89-9dbc-d24a34041eae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067985
StatusPUBLIC

Content hashes

Canonical text1dfd447eaa98c3a49c260fe508a9c32145e3ba05d734929076e093468e522ba5
Markdown3721fd292a4ac3fb42eaeab07aa311b3336d21fc034a0eeef65dd7fd9e1fa7b4
PDF
Publication page601e8bbd00df21763f491cddb00772aabb7c71d7092240d1602fdc3df27a5743
Manifest9f49c4bb67bba23edeb348709f251dc4035245a67daa58e382d02bb9723f22d8

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
SignatureUxzxP0JQeFBLh4pZFO5XbtZhptMt01Vf0XsDv7GWYyEk/j1vR+wBPJrSVv3H8zc6a3H0xU34FE3665SwyteOBg==
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

2026-09-17T10:30:32.042605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067985
observed 601e8bbd00df21763f491cddb00772aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.025353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067985/manifest.json
observed 9f49c4bb67bba23edeb348709f251dc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.008368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067985/publication.md
observed 3721fd292a4ac3fb42eaeab07aa311b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.990081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067985/publication.txt
observed 1dfd447eaa98c3a49c260fe508a9c321...
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.