OpenTechnical

OT-2026-000087024

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, sustained blow-off 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-2026-000087024) never changes.

Identity and time

Publication numberOT-2026-000087024 · never reused
Internal UUID01a0ae9a-9f2d-7add-a9a8-ca164398b339 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087024
StatusPUBLIC

Content hashes

Canonical text894fe3bb92e93f9106100a01ed8d17d5aa28739071a194ba155b9aa3f4b68bbf
Markdownd1fd7a90fdb4600b70beb9aa030ac08962e0c34dded2a2d98d5c9f472c4b0b8f
PDF
Publication page5b887b77ef8a3ee2774cd546966e7c7b8a11bb64a3ca0e6a1d8a52e581dd7343
Manifest1562027261559fdd12d438876de4f6a14eba63fefc87547d6ac99605ff1f0107

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
SignatureL2HXUq1AHf9w+Sawf6F0YJv8MetxwLS+10aD5Pbaa4kVPkHiXLMRp7gl25dPtX+nbTm3q/P0qVtY0uMVlj0ABw==
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

2026-09-17T09:51:16.000099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087024
observed 5b887b77ef8a3ee2774cd546966e7c7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:15.974888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087024/manifest.json
observed 1562027261559fdd12d438876de4f6a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:15.912809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087024/publication.md
observed d1fd7a90fdb4600b70beb9aa030ac089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:14.774146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087024/publication.txt
observed 894fe3bb92e93f9106100a01ed8d17d5...
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.