OpenTechnical

OT-2026-000068554

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000068554) never changes.

Identity and time

Publication numberOT-2026-000068554 · never reused
Internal UUID01a0ae90-2482-72d7-acb5-1e07495c98ac · 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-2026-000068554
StatusPUBLIC

Content hashes

Canonical text9136d849f8cb4ef4682519334227e3509d2663cee81b0fc28e05d5e29303ee70
Markdown6f3b50d87fb5f421402a5b0d9deabfba9f04c122f5f5bbfc19884e922b0ba8bc
PDF
Publication pageba05f4e3604633dfa85e9287fc5d3eb369c0b7ef901baa8e2b4799e207134e1a
Manifest497f08e9bb80c23ab49c63b9e8036df36f0d123199e46688a60b56ec6fb8b21e

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
Signature3WmC+B4+s76Ggw1fy4IYhmWRWv0lKDT4ThaH/41XvUHdvtZ3vunirKht7bWy5cl4jfwcK+DxaX5uvDDts0lZDQ==
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

2026-09-17T10:29:43.332343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068554
observed ba05f4e3604633dfa85e9287fc5d3eb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:43.316099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068554/manifest.json
observed 497f08e9bb80c23ab49c63b9e8036df3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:43.297902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068554/publication.md
observed 6f3b50d87fb5f421402a5b0d9deabfba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:43.280605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068554/publication.txt
observed 9136d849f8cb4ef4682519334227e350...
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.