OpenTechnical

OT-2026-000022172

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000022172) never changes.

Identity and time

Publication numberOT-2026-000022172 · never reused
Internal UUID01a0ae6f-f4fc-7c8a-885f-8609fd5363ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022172
StatusPUBLIC

Content hashes

Canonical texte185b6fa2916aab371ad389c7aa31885ee40065821b5e79e404af5404e1db55b
Markdown0d572ec2e2b2e9a6cba543c497d29fc8d5c5269aa2fa903fedf2f8a020ba6ba1
PDF
Publication pagead9a5a7805dc289a233f93531010ebce758dee18b451090d9faa5f6a5979f1e4
Manifest98f0631b4486f5a8cb573a563962d3487b0118e137f292352d64ba594b923039

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
Signaturehtl72Wdd9jaH/xx7YonRuBjeIao01BgL3npVP2t2J5fkD36tPROq30R5lXuuuzDl/fO4bJjaGPb3nu+lt9f9Bw==
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

2026-09-17T11:52:51.231882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022172
observed ad9a5a7805dc289a233f93531010ebce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:51.214600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022172/manifest.json
observed 98f0631b4486f5a8cb573a563962d348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:51.195619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022172/publication.md
observed 0d572ec2e2b2e9a6cba543c497d29fc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:51.177781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022172/publication.txt
observed e185b6fa2916aab371ad389c7aa31885...
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.