OpenTechnical

OT-2026-000076495

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, pulsed 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-2026-000076495) never changes.

Identity and time

Publication numberOT-2026-000076495 · never reused
Internal UUID01a0ae94-6a71-71b9-a2eb-9d3ab6a49e9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076495
StatusPUBLIC

Content hashes

Canonical text3d4a8b97dc53d175a263f17ade8051883110acb92938e094a2b294ead7ada9a0
Markdowne7152d785cf3b7b2df69b0a4fbb9b9b941479074db4bc92cd73b618f57e12768
PDF
Publication pagef63f0d7b403c652ec6ddb05d2ed2fe1923022d5be1842783bcb00cc7c92d63de
Manifest39dd9c71646d180fd196c49264a0d247b229e8fe6220964c523593e2be4dfb11

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
SignaturePS5SKrJi6TiI09djHPo6bYEvABnh3pw9kW59iqBwppe51GMbu2IBMRahHOaxqYtLq7xhufLb3E3XqU+hG4V3Ag==
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

2026-09-17T10:12:45.695747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076495
observed f63f0d7b403c652ec6ddb05d2ed2fe19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:45.558154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076495/manifest.json
observed 39dd9c71646d180fd196c49264a0d247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:45.538312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076495/publication.md
observed e7152d785cf3b7b2df69b0a4fbb9b9b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:45.517299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076495/publication.txt
observed 3d4a8b97dc53d175a263f17ade805188...
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.