OpenTechnical

OT-2026-000085193

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000085193) never changes.

Identity and time

Publication numberOT-2026-000085193 · never reused
Internal UUID01a0ae99-43ba-7ccd-b0d3-625c727e2847 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085193
StatusPUBLIC

Content hashes

Canonical text6f1e9e5baf515e658269656c9114babc385759ab73877f9332d3dd9b89627a92
Markdownd2cd9ead65628331d2a4ca6f0cf9b415d586b1bb00ece26921553b122f2ce091
PDF
Publication page38e9442fd684cec354cb814f4be3c353b3b259b3960579dc53872aeace1d86b1
Manifest6b37203381db10ac2ba2c58aca5905c402ef6bb077298ff9d1f7a171b929007d

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
SignatureGNLzcF4dFZmzUxDOnGooZlfvQj1uez9ykMa9K29SrXr/YHzloqRilHWYoUdce/1abb83BhER/QnZcO7RpaFdDA==
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

2026-09-17T09:55:16.845444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085193
observed 38e9442fd684cec354cb814f4be3c353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:16.828400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085193/manifest.json
observed 6b37203381db10ac2ba2c58aca5905c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:16.809156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085193/publication.md
observed d2cd9ead65628331d2a4ca6f0cf9b415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:16.790832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085193/publication.txt
observed 6f1e9e5baf515e658269656c9114babc...
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.