OpenTechnical

OT-2026-000083166

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000083166) never changes.

Identity and time

Publication numberOT-2026-000083166 · never reused
Internal UUID01a0ae97-c962-7b16-a681-7b25133c5a4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083166
StatusPUBLIC

Content hashes

Canonical textcec51660e6c41a220477fd389be62d6d918a833304910986ed7bed0196150ef6
Markdown6626cdee5f84bff633c0dc349e947a0d6330a171dc9bf913ad4fd70dd9b802cd
PDF
Publication page99c626f124ae9cca9a228008d7b78d5be8aac393d97c5780b69ec66021bb6b5b
Manifest3c302aa74187bb7024f42f17580997fd1227e7a6d23febcaf9a6a8c30aec02b3

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
Signature9tzfgEanaRPmNj1+xnQuIymC/lkpZ7mPW7pGIBa7CsJVxIMnSN4OTvqIOBh3FC1irGYjo6UO0Wl9phcPHQnuDg==
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

2026-09-17T09:00:56.113499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083166
observed 99c626f124ae9cca9a228008d7b78d5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:56.094628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083166/manifest.json
observed 3c302aa74187bb7024f42f17580997fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:56.077366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083166/publication.md
observed 6626cdee5f84bff633c0dc349e947a0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:56.057947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083166/publication.txt
observed cec51660e6c41a220477fd389be62d6d...
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.