OpenTechnical

OT-2026-000069238

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069238) never changes.

Identity and time

Publication numberOT-2026-000069238 · never reused
Internal UUID01a0ae90-b528-7ecb-ae1d-324a66ad4665 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069238
StatusPUBLIC

Content hashes

Canonical text20c46622f1d149e7869a3b071eeb113fb8d6108af205e72e1c674e2c219f3d94
Markdown6cb49d83c2553d6c3295649bdd92bc9f5dfdadd9a3adce417f1865fb3a445c0f
PDF
Publication page081b00ccf242d83ab0750036d4c732f51a78755711159c5b9a805e857a040128
Manifest18bb8cb6cd897668f22019228b8585ba39bf567f64621029e81064da45bf8edb

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
SignatureuiIwK4R6GHmE3bBY9tzZae0/49BUF2sULvvpdaqBsw8UCrvzq1og3sbJULZX13REaWdZT+F1ihtIsznLyhtSAw==
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

2026-09-17T10:27:18.475127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069238
observed 081b00ccf242d83ab0750036d4c732f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.458446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069238/manifest.json
observed 18bb8cb6cd897668f22019228b8585ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.440272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069238/publication.md
observed 6cb49d83c2553d6c3295649bdd92bc9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.422278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069238/publication.txt
observed 20c46622f1d149e7869a3b071eeb113f...
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.