OpenTechnical

OT-2026-000007334

Publication integrity record

Porous face vacuum gripper, three zone face, three stage ejector, vented 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-2026-000007334) never changes.

Identity and time

Publication numberOT-2026-000007334 · never reused
Internal UUID01a0a97b-1417-7139-b367-96709799f76e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:10:10.715568Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007334
StatusPUBLIC

Content hashes

Canonical textea0a9bc4aa91803062e56baebac9e368dfeaa810808cbd9f35950b30f46b278b
Markdown2db9e1d48c22d41f6c5209a174286e44ecb997eadeb796affc369517ac518856
PDF
Publication page0cdd6b23adcad74ea51b38158dc2249ac54ee132f1510b35b4712cbb9f9588ca
Manifest583525f624f7f37da0745629fafd56988fadffa434cccb7cf2d8f70b140bc61a

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
SignatureDvzcO9mmyJvRN4Z6L3JOpPjw7AT3frAWUum9VMTQ69emME9MZF0SNSi08CuYdUvPlT5Di0mrsHfeLjtIsyJ/Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:11.134378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007334
observed 0cdd6b23adcad74ea51b38158dc2249a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:11.120507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007334/manifest.json
observed 583525f624f7f37da0745629fafd5698...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:11.108813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007334/publication.md
observed 2db9e1d48c22d41f6c5209a174286e44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:11.096943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007334/publication.txt
observed ea0a9bc4aa91803062e56baebac9e368...
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.