OpenTechnical

OT-2026-000032166

Publication integrity record

Foam pad vacuum gripper, single 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-2026-000032166) never changes.

Identity and time

Publication numberOT-2026-000032166 · never reused
Internal UUID01a0ae74-f7a6-7810-a8a3-ae97551faf44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032166
StatusPUBLIC

Content hashes

Canonical text3ded7c0770de666b79d79a7cda71bafd758b5967c1dba241ff8ad20c27623ee2
Markdown56cf4ed8b4e474f9e60e740508d88acb9c687c360b748250b9051e3b2254959f
PDF
Publication pageb9011d5dadcc57e4f5856d4b61439b69f7a7a98f41e70992400e121107d6a211
Manifestb28815bacf9116c8789d2c4cd11bb21f38ddafcf84abc39352add990069e3707

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
SignatureQO6Bk3AmSKMOxHuTS6MzQt9cX+khOwDiH7mmydfykDmZUxB2XejEAwObPWQijp2K4/CwgU4sHORFCiQfpRcTBw==
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

2026-09-17T11:34:29.627395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032166
observed b9011d5dadcc57e4f5856d4b61439b69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.608146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032166/manifest.json
observed b28815bacf9116c8789d2c4cd11bb21f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.590277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032166/publication.md
observed 56cf4ed8b4e474f9e60e740508d88acb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.571312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032166/publication.txt
observed 3ded7c0770de666b79d79a7cda71bafd...
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.