OpenTechnical

OT-2026-000065878

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000065878) never changes.

Identity and time

Publication numberOT-2026-000065878 · never reused
Internal UUID01a0ae8e-8dc1-7e11-b872-b7f2cccda0ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065878
StatusPUBLIC

Content hashes

Canonical text3582dbeb6d8f0b6a6ccba99c187e61171c0f9ab05f67e2e7c743d45b859e345e
Markdownf425ef96312aa4453b443da5bceee24d58e7bcc59591000835859d8cdc874ec1
PDF
Publication page1c64366c35426fa57cf2a06d4f1d7b5a879eecde4d73877e097cccd05beb2b7f
Manifestfed51783165dd7a25750eb09428b99d6d97675481e1e4116e2e53053c4c40d15

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
SignatureNP9u8tNrrqwp++zoZQASu2oLeT5dThq55BY8OJ/fE+M+sZMbeHgThY2nHpaCl0WUXM4JWOn6itbNU1H5oEWhCg==
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

2026-09-17T08:50:03.260821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065878
observed 1c64366c35426fa57cf2a06d4f1d7b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:03.242616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065878/manifest.json
observed fed51783165dd7a25750eb09428b99d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:03.095136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065878/publication.md
observed f425ef96312aa4453b443da5bceee24d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:03.078362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065878/publication.txt
observed 3582dbeb6d8f0b6a6ccba99c187e6117...
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.