OpenTechnical

OT-2026-000022418

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000022418) never changes.

Identity and time

Publication numberOT-2026-000022418 · never reused
Internal UUID01a0ae6f-f4fd-7460-94ed-ed129161e995 · 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-2026-000022418
StatusPUBLIC

Content hashes

Canonical textff77f97770b3ef7edf96f91468db2c5b3a5de00800c6ddd834e3ae5d3b60268d
Markdownc881fee012010736db2aa54f106cd7ae509bf849588d8efe3bf8c8bb157a3639
PDF
Publication page1cb8ee7e3bd8745c7a690b853743a2a8cb2e1ad17bc828a6658d0bbaf6fa9743
Manifest7e769f263fbb86d13c6794c66d5f55432877929919e9eb54bc3baabf3d5ab04e

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
Signature4RXlNN+auyROed5xTAMjMxsxZxAIdNJdDuZQ/Pcnh3w/R86v43PLqd9Cr5b0hFth525pgBq3pXjE4J+S18d4Ag==
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

2026-09-17T11:53:48.413242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022418
observed 1cb8ee7e3bd8745c7a690b853743a2a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.393928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022418/manifest.json
observed 7e769f263fbb86d13c6794c66d5f5543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.376646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022418/publication.md
observed c881fee012010736db2aa54f106cd7ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.358609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022418/publication.txt
observed ff77f97770b3ef7edf96f91468db2c5b...
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.