OpenTechnical

OT-2026-000100399

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained 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-2026-000100399) never changes.

Identity and time

Publication numberOT-2026-000100399 · never reused
Internal UUID01a0aea3-66ee-7abd-8c27-9883f0577291 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100399
StatusPUBLIC

Content hashes

Canonical text213184699fd035cb920725820bf8dd2c6fa9b8040a7688aefab202abea4abe7e
Markdown0f21a0ebbb6b4cb9add2739171ab3678eaec289540e824a7d686e2be7d73b61d
PDF
Publication page25ac1c430b3f8ea22384f5e1c91032aa367811bfee23277a862264e4f6c6a1ae
Manifeste32904567a9630dad33b04610d31faba486323fedc719b0ea7344db56fdf1f4c

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
SignaturewetqyXSsf8/WmOSni6Z2rbGZzGZShI6DZzjfiefr9CwDUJrmQmCD0t0HNvukJ8qjUYdv1Lj1WknCfFJr35okBQ==
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

2026-09-17T09:27:08.186657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100399
observed 25ac1c430b3f8ea22384f5e1c91032aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.169158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100399/manifest.json
observed e32904567a9630dad33b04610d31faba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.152263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100399/publication.md
observed 0f21a0ebbb6b4cb9add2739171ab3678...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.133915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100399/publication.txt
observed 213184699fd035cb920725820bf8dd2c...
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.