OpenTechnical

OT-2026-000031958

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000031958) never changes.

Identity and time

Publication numberOT-2026-000031958 · never reused
Internal UUID01a0ae74-bad2-751d-a1ae-6f3c94acb405 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031958
StatusPUBLIC

Content hashes

Canonical text4619c92f20f35cfcdbe8b5ec8e4d4d9861739373f5985d5754fb77bafde53c67
Markdownf9d27468f71bbba3e5643be118b102aab8a89d758ce30316e853b5346327166a
PDF
Publication page57e6b3398cb1039e08903d5237db75142cf3809feeb9f3511fb6f38f3c54b8c7
Manifest464638dc9be8ca9f2d53103b287487247d9994ae77446b24df16daadad3baf72

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
SignatureAOywB80cFLF2vlGE+AJ/bEewkvcmHUUulCSnuJ9oNviZQMS5dMyyAjvp7bD+t4tucLi3kluHmy4ti3nTygrNDA==
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

2026-09-17T11:35:14.772229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031958
observed 57e6b3398cb1039e08903d5237db7514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:14.753329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031958/manifest.json
observed 464638dc9be8ca9f2d53103b28748724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:14.736295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031958/publication.md
observed f9d27468f71bbba3e5643be118b102aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:14.717121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031958/publication.txt
observed 4619c92f20f35cfcdbe8b5ec8e4d4d98...
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.