OpenTechnical

OT-2026-000026470

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three 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-2026-000026470) never changes.

Identity and time

Publication numberOT-2026-000026470 · never reused
Internal UUID01a0ae71-f4a8-7ad2-9162-8289fcfd126f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026470
StatusPUBLIC

Content hashes

Canonical textc9f09afc7ddd3c15b37857aa8f625957f4dd6ddaaad51264e544bc7b71dcf0d0
Markdown36985a6777046a4cc95388f4a293942240d710c1b970f51b1a03f55f6cb369da
PDF
Publication page93b8aa931c0d07047c04410f29f1c29bf79e6d6d9aac77fa22ad62413a929fd0
Manifestcc29ca517f656602a290a45518d5750579fad5ba88b275e961fc9f85387c1098

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
SignatureIVYwlertFGXmTFJAWvcz5zMi6OMxLv+3w0DTS3HD0hG+i7XymfuZCz84n18U/iLFGxs2fd7kcgrlcZmj1cB6AQ==
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

2026-09-17T11:44:28.475970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026470
observed 93b8aa931c0d07047c04410f29f1c29b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:28.457489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026470/manifest.json
observed cc29ca517f656602a290a45518d57505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:28.440062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026470/publication.md
observed 36985a6777046a4cc95388f4a2939422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:28.424571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026470/publication.txt
observed c9f09afc7ddd3c15b37857aa8f625957...
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.