OpenTechnical

OT-2026-000069175

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000069175) never changes.

Identity and time

Publication numberOT-2026-000069175 · never reused
Internal UUID01a0ae90-6dcf-7aeb-bb92-c223ec24a79e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069175
StatusPUBLIC

Content hashes

Canonical text9fe5ac0af2fec78d249bb6c2d91131716fb43e5f1e112bc6363ad09337cae021
Markdownc72c0722e0cb1072c9d7bcbb2b7100bad0e2be201a614e433a9ca31c9bc63748
PDF
Publication page9faf66695fc77407e8e479e028a868649e1e1278576e24e196c6ec778a767d7e
Manifest1c3538149e966003a57733ce6f06082bd4ec470eb3e378e7921e20d4269bbae5

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
SignaturezhBBu6jztOe2nYFwqaesInM7OsTjRmzrtP3UtFm/NFTKzyqq9KODeHYH5umun8HAYjqezfPbqYEn4n0ZnD0qCA==
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

2026-09-17T10:29:04.004052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069175
observed 9faf66695fc77407e8e479e028a86864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.985627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069175/manifest.json
observed 1c3538149e966003a57733ce6f06082b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.966775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069175/publication.md
observed c72c0722e0cb1072c9d7bcbb2b7100ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.947623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069175/publication.txt
observed 9fe5ac0af2fec78d249bb6c2d9113171...
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.