OpenTechnical

OT-2026-000055402

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000055402) never changes.

Identity and time

Publication numberOT-2026-000055402 · never reused
Internal UUID01a0ae86-a101-7c22-9d59-edee5598d37b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055402
StatusPUBLIC

Content hashes

Canonical texta630568d47197058a8681284731d749661ec4049733ac5671efcc034ad2e13dd
Markdown3e0255dd04137fa2b409595321abfb384ae182b114b478053f90b40d0b18952e
PDF
Publication page2b6544e0dbfd587e238b39e3d7f404caffa96906f00bbf450a53fffbd94d1e01
Manifestae9d3e5670d5f11026b05ec084f80519008e07937b298edcc3021ef0836d3f22

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
Signature6oXou12pJ7+roGQEoh/VqJ5vDEWSTcQuy+l3iprlLoFP/y7DrrdcbDkzhW3UvzqmzerCKdkszp4b0hLvHPMVBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:02.579804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055402
observed 2b6544e0dbfd587e238b39e3d7f404ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:02.561546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055402/manifest.json
observed ae9d3e5670d5f11026b05ec084f80519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:02.542246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055402/publication.md
observed 3e0255dd04137fa2b409595321abfb38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:02.525027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055402/publication.txt
observed a630568d47197058a8681284731d7496...
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.