OpenTechnical

OT-2026-000089196

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000089196) never changes.

Identity and time

Publication numberOT-2026-000089196 · never reused
Internal UUID01a0ae9b-db00-7a3c-a1bc-c13d4341f1fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089196
StatusPUBLIC

Content hashes

Canonical text871892166a61644e620a255cbe9b33fdc4ce7bc39f8cebb96369ade77e79b5eb
Markdown21c35ce309731f712b6716169afe86460578acee8074784fa71d7f3eed08d165
PDF
Publication page80ca3c9df563126c1dfd0aae7f9e3e8cde6c28f7cfa29f901dffff9fa9cf8b75
Manifeste265c8e82a546dd46b893dcec383439907105c655665d50419b116c579808848

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
Signature5okQ4l34aBnvo12Re5TSw9Pv/xap6E5h1EJYZBgbtRawtmrizhnKDeUR9QqoIEcFJgbgSJR51lWSY6pY/JsHBw==
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

2026-09-17T09:47:12.835765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089196
observed 80ca3c9df563126c1dfd0aae7f9e3e8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.818690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089196/manifest.json
observed e265c8e82a546dd46b893dcec3834399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.801202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089196/publication.md
observed 21c35ce309731f712b6716169afe8646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.784696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089196/publication.txt
observed 871892166a61644e620a255cbe9b33fd...
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.