OpenTechnical

OT-2026-000069043

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000069043) never changes.

Identity and time

Publication numberOT-2026-000069043 · never reused
Internal UUID01a0ae90-6dce-7bd2-a97a-8847fd14aa90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069043
StatusPUBLIC

Content hashes

Canonical textdf302ecad5a3e8a88fcf53c1ab44afb8cad8f1f83fb964378bd7d1d78e4f5f8c
Markdownd9493ee9eaf9989d00700edf0d3449a9ae4d9b3daeacf88a9090aa265ecf88e6
PDF
Publication page8400cc8f1f325db45f64977e8ac0018e1803078e9de43fa751e88efa40e85b89
Manifest1a07c131db792b7eae1990ab49aaf6aa0a602d17c8a43e85678f4c031d0199cf

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
SignatureqP7B7pBj4RmJj/6zOl79f2cpA24dkVD6/EwsEW3pFrTxASyONogJhuZ7WaOJV6bqQrWRk6tg+Wj/HTtdTIZ8CA==
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

2026-09-17T10:28:54.149998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069043
observed 8400cc8f1f325db45f64977e8ac0018e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:54.131146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069043/manifest.json
observed 1a07c131db792b7eae1990ab49aaf6aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:54.113844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069043/publication.md
observed d9493ee9eaf9989d00700edf0d3449a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:54.094312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069043/publication.txt
observed df302ecad5a3e8a88fcf53c1ab44afb8...
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.