OpenTechnical

OT-2026-000088571

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000088571) never changes.

Identity and time

Publication numberOT-2026-000088571 · never reused
Internal UUID01a0ae9b-8f0f-788f-880b-e60766ae1ca4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088571
StatusPUBLIC

Content hashes

Canonical textde85f117c047e4e746a5ff0c635a1c611e13b75ccb9a3bbe8946aa9ad45695ec
Markdown09d56bfd80abd630d655f87a4e232d0ab59f5b0c1be56422fd281d93fc3b0066
PDF
Publication page238074cbf6ab11dea6feb33c4deaf3b88e0ae5aac198b9a83a4ef1332e573ca2
Manifestc70bfd90e2432e8106bc1dddcf6bd935569411c2f5db0b55a16ca5f7e59261e7

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
SignaturetJ2j6tcRo2vCs0EETFza6C3B+1KApEdG3fGQsmhBaNR+Y7nIk3RnCM0oGDLbNlwrx9KYnCOpP0uiRzw3ncxuAQ==
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

2026-09-17T09:47:45.475125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088571
observed 238074cbf6ab11dea6feb33c4deaf3b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.456802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088571/manifest.json
observed c70bfd90e2432e8106bc1dddcf6bd935...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.434859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088571/publication.md
observed 09d56bfd80abd630d655f87a4e232d0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.415435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088571/publication.txt
observed de85f117c047e4e746a5ff0c635a1c61...
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.