OpenTechnical

OT-2026-000034286

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000034286) never changes.

Identity and time

Publication numberOT-2026-000034286 · never reused
Internal UUID01a0ae75-df0d-772f-8e86-34282aab1b17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034286
StatusPUBLIC

Content hashes

Canonical texta09433bd4d120fb2d80c48399b46708d090ffaa902d51631bb4bb8bade927c10
Markdown4d7c3290dd9db195d7eb49cd56bc1436e69cea483ea355aa8ce676724e71e1a8
PDF
Publication page75e60a690bfe2437ba4bbeae5526b3042316f5aea0b3792bf0d485b60ce350b9
Manifestb2420cf610152f62c6beaa6e78785b558eb44425acd0353df74055eb314ddb6c

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
SignaturegqQCBMRiwXsv7lOh+HJJWnMIwHP0zja+vznKe9bWg5Ck1oMvTt+SONfZW4jV8G0EH+dcWMerCBc7Z26BdPGaCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:58.357659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034286
observed 75e60a690bfe2437ba4bbeae5526b304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:58.341115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034286/manifest.json
observed b2420cf610152f62c6beaa6e78785b55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:58.325500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034286/publication.md
observed 4d7c3290dd9db195d7eb49cd56bc1436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:58.306752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034286/publication.txt
observed a09433bd4d120fb2d80c48399b46708d...
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.