OpenTechnical

OT-2026-000026642

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000026642) never changes.

Identity and time

Publication numberOT-2026-000026642 · never reused
Internal UUID01a0ae71-f4aa-71d8-9c76-38039d991606 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026642
StatusPUBLIC

Content hashes

Canonical text9e00f57261c1dd595c0138a3e7a48d9630f81adeee18bd916c3c199c4200cbb6
Markdown19437b4af7b928900d74181a118372abbdb060636542cbbe41eefbbfc46a27b0
PDF
Publication page86419078b3d75cf05ad98463d3902625537ffb59ea1221f94668745caeaa485a
Manifest5edc4bb98b9a77be8b45ee2adb78b9caddc785cf0720cd0e78076a89fc15e1e3

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
Signatureb98iJruO5lTYxFSFM/vKGO7U4QYBveXJBi7Eq2XWnu+tNVjD/LizCifcrVNFNO5d+ljaJdBykwSvIHfkafzRCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:45:43.279248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026642
observed 86419078b3d75cf05ad98463d3902625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:43.260470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026642/manifest.json
observed 5edc4bb98b9a77be8b45ee2adb78b9ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:43.237362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026642/publication.md
observed 19437b4af7b928900d74181a118372ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:43.216096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026642/publication.txt
observed 9e00f57261c1dd595c0138a3e7a48d96...
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.