OpenTechnical

OT-2026-000097931

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000097931) never changes.

Identity and time

Publication numberOT-2026-000097931 · never reused
Internal UUID01a0aea1-92f7-7a35-95af-50a7163c7400 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097931
StatusPUBLIC

Content hashes

Canonical text72ee3ac0b24ee6bd1480e9e2654fae01b650c26489827d75e5a337741bec0a82
Markdown2251932a421bec1dc31534858ceecfd9833d16afb6cced2f96aada32f7c13eb6
PDF
Publication pageb3ad2b3770ec8fef7a71455e0abf2a47a4421143efe25390ccaa9786077b7725
Manifest555d0268a252403a373f5ff8d4a09667ec5fa89b4df09be292d24c1d46ffbbb6

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
Signature1lmcjsdgxJAhIqv7C2MMPuG/dUrygWSfnZl1rJcmYq3Zftxd26U4dybJUei4k1bFmMYui7BmkV6lDd6EG9h8CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:03.759338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097931
observed b3ad2b3770ec8fef7a71455e0abf2a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:03.741158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097931/manifest.json
observed 555d0268a252403a373f5ff8d4a09667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:03.723450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097931/publication.md
observed 2251932a421bec1dc31534858ceecfd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:03.703290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097931/publication.txt
observed 72ee3ac0b24ee6bd1480e9e2654fae01...
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.