OpenTechnical

OT-2026-000068682

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented after set-down

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-2026-000068682) never changes.

Identity and time

Publication numberOT-2026-000068682 · never reused
Internal UUID01a0ae90-2483-7dcb-ae80-83cf2e32316d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068682
StatusPUBLIC

Content hashes

Canonical text1d69579df5f8c5afe9ef57864946a873c6af3dc7568672c0382ad4ef9e95f204
Markdown75b03eddb508798f353199e7c4399a6bf3cd53a3836a252b2302eb5d7bc5f254
PDF
Publication page613d6136ad2d6ff10dc8121c0ead68406ae8699b5c7aea352c7089d7af2a1e9f
Manifest4cffb7361dc00d2fb38ff9d097b3175b66871685ec7a6bbea8478061d4991d81

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
SignatureScSiOxDprziXfom2vwYTTe0zz1GuXdvf8dGaroh4r0iNkmuMIk4xS8BTqkgjQiKrghJn/B9aAALBJvnrWvhiBw==
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

2026-09-17T10:29:53.060701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068682
observed 613d6136ad2d6ff10dc8121c0ead6840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.041156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068682/manifest.json
observed 4cffb7361dc00d2fb38ff9d097b3175b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.024509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068682/publication.md
observed 75b03eddb508798f353199e7c4399a6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.008126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068682/publication.txt
observed 1d69579df5f8c5afe9ef57864946a873...
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.