OpenTechnical

OT-2026-000063118

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000063118) never changes.

Identity and time

Publication numberOT-2026-000063118 · never reused
Internal UUID01a0ae8c-94aa-7ba4-875d-d43586b811ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063118
StatusPUBLIC

Content hashes

Canonical text68a06b648ed55f2bff1df88716a2690655326ffbbfb654ecb40109d91d5a0243
Markdowndae80f785094fd9991452ece52b312d41e309452b8c58ec9e7d96dc83fd77ccd
PDF
Publication page0fb54d2e1a33f55dc67d8c836f495ee008b08cf22869845b8675ddfdc1277cb1
Manifestf08c7d09c7001bcc6a08d37515792fd446063b835bc72f7bb33f2009c14e5de1

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
Signature0cdPqU9Q17R577rDfMN796VHcv/F1uimi+sqBMQV+PAOTEOKxJFW0P5F7aMb1PdIngEeqltSRz5amIIb2517Bw==
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

2026-09-17T10:38:53.820565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063118
observed 0fb54d2e1a33f55dc67d8c836f495ee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.801310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063118/manifest.json
observed f08c7d09c7001bcc6a08d37515792fd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.782050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063118/publication.md
observed dae80f785094fd9991452ece52b312d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.763522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063118/publication.txt
observed 68a06b648ed55f2bff1df88716a26906...
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.