OpenTechnical

OT-2026-000080772

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000080772) never changes.

Identity and time

Publication numberOT-2026-000080772 · never reused
Internal UUID01a0ae96-b974-7c3b-899f-fc0058abb07e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080772
StatusPUBLIC

Content hashes

Canonical text46ba7f9c18c570f008c38e526ab84fbb8a795968c13f1bc7b1fee8f489df7335
Markdown534ca1c0a6ecf5a8278a6e9fed6fa63206375e2e5d3187be3c1c94ecb9a99ba6
PDF
Publication page14fc1a3436879da59c92ed2aa7097df1ef1f320b08cbeb4db1fe6e1b7cf11569
Manifest09e5c7283d30a3f7d7d90c6c28fd6132901a241f3175bb18c3af0c7aa96d0003

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
Signature8SOwB/pOHh1TkhFuqtMfd6nJFUxLj0rCeez9fTU74Z7O7cZDPqR1LXqRvbDPvE8UwgVeNjuGMKyY1ZnQ32yKCQ==
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

2026-09-17T10:01:56.364153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080772
observed 14fc1a3436879da59c92ed2aa7097df1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:56.348193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080772/manifest.json
observed 09e5c7283d30a3f7d7d90c6c28fd6132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:56.330494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080772/publication.md
observed 534ca1c0a6ecf5a8278a6e9fed6fa632...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:56.312342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080772/publication.txt
observed 46ba7f9c18c570f008c38e526ab84fbb...
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.