OpenTechnical

OT-2026-000063695

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000063695) never changes.

Identity and time

Publication numberOT-2026-000063695 · never reused
Internal UUID01a0ae8c-f946-7009-b920-cca9eef92553 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063695
StatusPUBLIC

Content hashes

Canonical text98f0997fc5ab131d6479c73923ce49388a266952ec652b04397ba5c5a3693068
Markdowndef410b115345e430300f61f64cd093ac00abc308a4ab598b765f40c24fe0e1d
PDF
Publication page0c79d8eeebf6021595f8f6d30ed34ebf9c3ad62f5b867c01346ef6079b4bd675
Manifest66a252294400a3ddbb138096916b98215a2cc1000fd28c5962b00fb7eb6c6db9

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
SignatureM3QrXNlka/X1gbW08BEGOoXSVTytLqFoZ/57L5dFMQFMGDOTqE/7jBDapUdA0nMW07EkVxkK9FsdJjRwk8zkBg==
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

2026-09-17T10:37:48.920531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063695
observed 0c79d8eeebf6021595f8f6d30ed34ebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:48.903867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063695/manifest.json
observed 66a252294400a3ddbb138096916b9821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:48.885322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063695/publication.md
observed def410b115345e430300f61f64cd093a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:48.866679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063695/publication.txt
observed 98f0997fc5ab131d6479c73923ce4938...
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.