OpenTechnical

OT-2026-000087458

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, 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-2026-000087458) never changes.

Identity and time

Publication numberOT-2026-000087458 · never reused
Internal UUID01a0ae9a-cd50-715b-90b5-6044a2da8ca8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087458
StatusPUBLIC

Content hashes

Canonical textd45137ed32b34cc63f6f8f6d3b4ea397e3323bf461b1bbb71be803b681778674
Markdown5454c1ad51cba5af1071b739c489cc4f819dacf133d8a912dfe1bbcd3187aa5a
PDF
Publication pageeac07d54da43961b61e894f465da6616788d8c1fd76c672257bfb1659875bba1
Manifestad632edf48876fa55030014db7776ac63ddf9698e891f8e42e107709ddb40af1

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
SignatureCt37GI5EHkDWbdGymVzillgt4fSlw0XTk26VfmjibosIjUVO96KleuIv7e9K4GyVx6R+6KzH5HBhS/AqzpN7Bg==
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

2026-09-17T09:50:47.060407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087458
observed eac07d54da43961b61e894f465da6616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:47.044339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087458/manifest.json
observed ad632edf48876fa55030014db7776ac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:47.026608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087458/publication.md
observed 5454c1ad51cba5af1071b739c489cc4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:47.009411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087458/publication.txt
observed d45137ed32b34cc63f6f8f6d3b4ea397...
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.