OpenTechnical

OT-2026-000089889

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000089889) never changes.

Identity and time

Publication numberOT-2026-000089889 · never reused
Internal UUID01a0ae9c-428d-7345-8f9e-ab91a3071b2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089889
StatusPUBLIC

Content hashes

Canonical text0063dcc6ddb9d9129f8cef4c1ada65b194a84a0ac351e1ac043699cda9ddb06d
Markdowna5f88d5df0868ef74b2f5ff690dc63fd9c89ac5f0f3606801faa2981729f7f00
PDF
Publication paged48c7463d37ac844739918e4b9df8bc78e9ebf9729641a89e61fbc7a64884d2b
Manifest9a8aa910e5921bf495a33063182b6165a24ddeb503a6a00c9dd7e84bbf82fe7c

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
SignatureoamqseMamxXHVf420K1sFnVqGNG+olHBYZLFwTtW37dAKJ7LNKHkBXfNlottSjMKkGYOIODwCQT0NptDqKd2Ag==
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

2026-09-17T09:45:09.226158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089889
observed d48c7463d37ac844739918e4b9df8bc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:09.209146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089889/manifest.json
observed 9a8aa910e5921bf495a33063182b6165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:09.190165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089889/publication.md
observed a5f88d5df0868ef74b2f5ff690dc63fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:09.170398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089889/publication.txt
observed 0063dcc6ddb9d9129f8cef4c1ada65b1...
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.