OpenTechnical

OT-2026-000054018

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, vented 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-2026-000054018) never changes.

Identity and time

Publication numberOT-2026-000054018 · never reused
Internal UUID01a0ae85-b3a7-74c3-a892-17718558c93e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054018
StatusPUBLIC

Content hashes

Canonical text17e5378c55c4400774bb79012945dc590b841ed27cf02d79b5ce3b96ff7df3ac
Markdowndb7ef448be6e069c77d1728121ca139236831a8c112c5fb8a067f329a3640b83
PDF
Publication page0661b307725e4a1ae935a891f4801c4fff10fc332174bb89af7eb2c1742c36d7
Manifest87a2980ebde0f6b3a2ee4153a4a6fcb60e37752a81e2100190d1d417e9342392

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
SignatureQFRLPHcHPHwjPd/kQIiX7plQ1qcVQ7f5QjdCM4k/ZG6fujZ4pOLSr7Fw5rI0r6+IIw7JLPRoTbKj7qldGsifDA==
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

2026-09-17T10:54:16.079853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054018
observed 0661b307725e4a1ae935a891f4801c4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:16.008113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054018/manifest.json
observed 87a2980ebde0f6b3a2ee4153a4a6fcb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:15.974353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054018/publication.md
observed db7ef448be6e069c77d1728121ca1392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:15.706299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054018/publication.txt
observed 17e5378c55c4400774bb79012945dc59...
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.