OpenTechnical

OT-2026-000031279

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, pulsed blow-off before set-down

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-2026-000031279) never changes.

Identity and time

Publication numberOT-2026-000031279 · never reused
Internal UUID01a0ae74-87ac-73e9-8ccd-5d78d66f6f2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031279
StatusPUBLIC

Content hashes

Canonical text1c08deb256e8b0f2178cdf31ea9d6c1cf18a4d192982651c027679a314fde162
Markdownb06e4ea20533ee2b91eec03cec4ebab39ad1d82b750e95025960b33c7ed081ee
PDF
Publication page22d5c33a84338f85ef39811ce24124cfca255e3c321d369372c0273f5bf834e7
Manifestb04572b2f2e816b2d0a1efde51ba96f268de0ca0f1fc03e15e67feb1633349b9

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
SignaturetCyO5a42Qln9+/SIYZNEHNO8nSZfxC/J95tqlROOUZlQIrMhLKu77ZggoSsxIkccSRA26WoLv5SzdSKvr7k9Dg==
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

2026-09-17T11:35:51.663483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031279
observed 22d5c33a84338f85ef39811ce24124cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:51.646912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031279/manifest.json
observed b04572b2f2e816b2d0a1efde51ba96f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:51.629751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031279/publication.md
observed b06e4ea20533ee2b91eec03cec4ebab3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:51.612013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031279/publication.txt
observed 1c08deb256e8b0f2178cdf31ea9d6c1c...
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.