OpenTechnical

OT-2026-000076869

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed 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-2026-000076869) never changes.

Identity and time

Publication numberOT-2026-000076869 · never reused
Internal UUID01a0ae94-b070-7edd-bb0f-de61147e4f92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076869
StatusPUBLIC

Content hashes

Canonical text2846c062fbd28146721b7448796b00ffb442f830eb42157c9c50a99891530990
Markdownfa581df865f9f7d8eafce0fe003c46189a68f3f8e933afe327a76d01174f6c0d
PDF
Publication pagecc524d2fbbf4a1520b1c90a1b1537a39692709447dadf36f61518a0ce8cb3e78
Manifest926c2a762be7a08106aa6c6656e1b7bf7247faee447cc930afd18fb9e555512b

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
SignatureumfUMGH7JF2/L7dnh5K2cgr2y51KEnJ26VYx+k4+R3ES5lctKgpuBiab+qmPn2Tu2Dv72tZ8/Qy8rnWKfcNJDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:09:45.820869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076869
observed cc524d2fbbf4a1520b1c90a1b1537a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.800986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076869/manifest.json
observed 926c2a762be7a08106aa6c6656e1b7bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.777200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076869/publication.md
observed fa581df865f9f7d8eafce0fe003c4618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.759898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076869/publication.txt
observed 2846c062fbd28146721b7448796b00ff...
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.