OpenTechnical

OT-2026-000073581

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000073581) never changes.

Identity and time

Publication numberOT-2026-000073581 · never reused
Internal UUID01a0ae92-efb9-7300-9930-8cd7e74242b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073581
StatusPUBLIC

Content hashes

Canonical text9835814b4cec0c7eaa785a23eea0e0f33b73c2450b0e90369d229faba3da3eec
Markdown3043d87a4deb651ae6fe6017ee030365741fdb9d22f82defb0859720df8a530a
PDF
Publication page6724ce2035761e5446aa44b7bd229dca4edfb1e8bd8f8be64d9aae202cf060ea
Manifestd176d3ac26936ce8d5c7c294eb55a14adbe1ed98ef72b9397cc462843e326bdc

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
SignaturetjbwfF4SkBhuRXkT0nemlaeyzeUQfkoBkU6VLuhO/Dl3zT+ESCydrW9JTF+e+95+xoCWTEeh0h3UbqP4YwTZCA==
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

2026-09-17T10:21:45.538444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073581
observed 6724ce2035761e5446aa44b7bd229dca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:45.522405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073581/manifest.json
observed d176d3ac26936ce8d5c7c294eb55a14a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:45.503893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073581/publication.md
observed 3043d87a4deb651ae6fe6017ee030365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:45.485234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073581/publication.txt
observed 9835814b4cec0c7eaa785a23eea0e0f3...
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.