OpenTechnical

OT-2026-000081882

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000081882) never changes.

Identity and time

Publication numberOT-2026-000081882 · never reused
Internal UUID01a0ae97-0f76-7de9-9b05-79efc918e64b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081882
StatusPUBLIC

Content hashes

Canonical text0a3f51aa4d7e16442f5095759466bf4da0419447a38136749fb8a551a1454c1e
Markdownab4553eb09c1f970ff821c9ee3e2f04e42e4bf49575521933a7db31ffe2a0606
PDF
Publication pagef08923a6d81eaf66c70b3996b0449b17a2f518c0483994d1efa75166e85245ad
Manifest80ed702d8fc46739d6b5dc275b8d45ce265c135c240846c16a676e9266a89088

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
SignatureV9HXb9g9xo78JsvJznHpGnuIoI0zodGKLTXd7fQJOcJBgpgj0Z8QE6Bxk+3AWY8LaJ3cS+2fhtPS3pt2R890AQ==
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

2026-09-17T10:01:00.178672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081882
observed f08923a6d81eaf66c70b3996b0449b17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:00.160931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081882/manifest.json
observed 80ed702d8fc46739d6b5dc275b8d45ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:00.143633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081882/publication.md
observed ab4553eb09c1f970ff821c9ee3e2f04e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:00.124018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081882/publication.txt
observed 0a3f51aa4d7e16442f5095759466bf4d...
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.