OpenTechnical

OT-2026-000038442

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000038442) never changes.

Identity and time

Publication numberOT-2026-000038442 · never reused
Internal UUID01a0ae78-2d53-76f6-9bd6-d07074006255 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038442
StatusPUBLIC

Content hashes

Canonical text4e359e5a5e6d5489047265260e13e8dd698e246ad30093902442b89694b21fac
Markdownc3b2996c000fac5a20e01f49ee412491f6a184f297a1e5d6645f8eab02124103
PDF
Publication page13160396e07733e2c3bbf5a487a290fa17831d058cdfbceaafda39a77e63b8a0
Manifestbaccaa3700ae5030591a7612d524a56e1bd7f32cd260432437b018e15863df5c

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
SignaturetkkyGjJyWb3RdFXPAIXyjbd6KB4+RfciEDGq6QQFso6+KVNkiApZqKv0E5kf7BKLRWYdNU/kDuMrUni+NdGMAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:22:40.271963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038442
observed 13160396e07733e2c3bbf5a487a290fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.255172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038442/manifest.json
observed baccaa3700ae5030591a7612d524a56e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.233883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038442/publication.md
observed c3b2996c000fac5a20e01f49ee412491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.215295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038442/publication.txt
observed 4e359e5a5e6d5489047265260e13e8dd...
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.