OpenTechnical

OT-2026-000104438

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two 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-2026-000104438) never changes.

Identity and time

Publication numberOT-2026-000104438 · never reused
Internal UUID01a0aea5-3421-7c5e-a2cb-d01daf2d4078 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104438
StatusPUBLIC

Content hashes

Canonical text14b282b6cef4d1a2a8204a51574ddf2e7a0518e49d43b9804ba81c1fb4d8389b
Markdown067dd10d9ff3003c32fbb04886cf646bc83e3327ad0f476b6aa9ffb268b05cfa
PDF
Publication page836550be8250743297a187b9ca1d37fbbbaaee39cbd6dfc00435147b9235073a
Manifest12221074c65a5336511277b483da517b78cfed032b0caa05185df712848eed3e

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
SignaturelLnGDIiczHhHHZxrNw5jINvzaOaNhl7sZaxH+b4BSex0ocRF3Ob+x5um41S4UKZyuilsr6/S5G19yH3CAnOEDA==
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

2026-09-17T09:21:42.909755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104438
observed 836550be8250743297a187b9ca1d37fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:42.891858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104438/manifest.json
observed 12221074c65a5336511277b483da517b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:42.873945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104438/publication.md
observed 067dd10d9ff3003c32fbb04886cf646b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:42.856388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104438/publication.txt
observed 14b282b6cef4d1a2a8204a51574ddf2e...
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.