OpenTechnical

OT-2026-000103384

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, pulsed blow-off after 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-2026-000103384) never changes.

Identity and time

Publication numberOT-2026-000103384 · never reused
Internal UUID01a0aea4-e460-7aed-86bf-4ab119ed2560 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103384
StatusPUBLIC

Content hashes

Canonical text7e06db2bdc20b5da2076636e682cf878dc73d32a7b048cf38ff18a5471ed5167
Markdown3b7d054cfdfc94a44cf71f034bdcb902d58e82f6bebe8c001a2f9aefc8e9f7cb
PDF
Publication page8ea52c6766a70967ececeacc55c4aa5d0e9cf36276df4e06d95d296ae5c8976c
Manifest2698190b6b97c7b84d07f962e1c856d4bef305e95eacb85db0768ed12320c944

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
SignaturecZDRGvZ7DawtVYWsVEtH7W3zRNd+xnrArQLf+//KzBd1hlN3g45vKxVjUJfsE6fM93zrchSuu1AhyE7k0HRBCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:07.470735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103384
observed 8ea52c6766a70967ececeacc55c4aa5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.455454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103384/manifest.json
observed 2698190b6b97c7b84d07f962e1c856d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.438135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103384/publication.md
observed 3b7d054cfdfc94a44cf71f034bdcb902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.420013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103384/publication.txt
observed 7e06db2bdc20b5da2076636e682cf878...
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.