OpenTechnical

OT-2026-000033103

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pulsed 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-2026-000033103) never changes.

Identity and time

Publication numberOT-2026-000033103 · never reused
Internal UUID01a0ae75-4844-78d2-999b-b5425f7a3a70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033103
StatusPUBLIC

Content hashes

Canonical text488f4ed6cc2b573d3fd3f38937ecc7d49afe14b5614984372ebc76b7c916c5ad
Markdownc11caa0fa8affb6830ef335ba0819f02fc1e18abdaaeac679f8ef9e60fdf9af0
PDF
Publication paged81d3f8a6a40239d9f087b7debfded6ccc01a6e2f9f478ec6d0930c7a87c871d
Manifest2dc74c777d553911a1515045acb46a9e7b5ebb29306437dd41ab61ec89240d08

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
Signature20lHp6T3Y7JeCDunXcozk49EogTsIIgmGOIGjbyc5N/0ZFlBWJrripg+WuDX8X2HQzCwO8T3909yoxfQjJR0DQ==
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

2026-09-17T11:32:45.363532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033103
observed d81d3f8a6a40239d9f087b7debfded6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.347620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033103/manifest.json
observed 2dc74c777d553911a1515045acb46a9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.331415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033103/publication.md
observed c11caa0fa8affb6830ef335ba0819f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.313613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033103/publication.txt
observed 488f4ed6cc2b573d3fd3f38937ecc7d4...
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.