OpenTechnical

OT-2026-000018338

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single 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-2026-000018338) never changes.

Identity and time

Publication numberOT-2026-000018338 · never reused
Internal UUID01a0ae6e-b489-7f4f-9754-b03551ac7d18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018338
StatusPUBLIC

Content hashes

Canonical text78870845ac50c3c8d34b4207fa4b45837e419e028cd12173b1fd5de9635c52ea
Markdowncc63e64eecb094a5eb03d76389dba1506dbe9fc2f14a0bf981e2f225302b8f5a
PDF
Publication page49da6bcc4fb82de98aacc1c5b67db82082efd54c47a4188b576c44de1de6f515
Manifest8aa2115447bd4c10683c283a614aca1a50fe8a3279dd04a278325f936f51bb14

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
SignatureMWyTPuqygcdpVNu1gvzv2gTEgx2noi2tMNtZYOsbiIPs1KmsMBJrRqlUpBkXAQioXDnS+BE6V00f+7Rrc3LsDw==
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

2026-09-17T12:01:04.266014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018338
observed 49da6bcc4fb82de98aacc1c5b67db820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:04.247092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018338/manifest.json
observed 8aa2115447bd4c10683c283a614aca1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:04.230605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018338/publication.md
observed cc63e64eecb094a5eb03d76389dba150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:04.213433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018338/publication.txt
observed 78870845ac50c3c8d34b4207fa4b4583...
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.