OpenTechnical

OT-2026-000089374

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000089374) never changes.

Identity and time

Publication numberOT-2026-000089374 · never reused
Internal UUID01a0ae9b-db01-766a-8965-cad8410053fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089374
StatusPUBLIC

Content hashes

Canonical text0d4eb2fc1640aec1b7f1652471988d23893b9edd3b00b9cacebe85efb4ace4a5
Markdown16b3fc05e10652d1ffc656eaf148a7600a0b41f78294b1c8057cef00781ffb01
PDF
Publication page12257e1cca5c347eb204f92f9f8580510209c5916d6165b8fb289347a40b0375
Manifest4e17fff962f92f6b329cc71cca4e3d517dc181e8dd7e04773c0109c8962b1aaf

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
SignatureL78hybNudI91wiaQ5ehRaWh94V9kK2PRozbfgLWveijsuzdjtFXHvMF6/MI32REqBlbEhz4GTa7cAvJBJCMZDQ==
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

2026-09-17T09:47:30.612548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089374
observed 12257e1cca5c347eb204f92f9f858051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.593857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089374/manifest.json
observed 4e17fff962f92f6b329cc71cca4e3d51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.574559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089374/publication.md
observed 16b3fc05e10652d1ffc656eaf148a760...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.555194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089374/publication.txt
observed 0d4eb2fc1640aec1b7f1652471988d23...
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.