OpenTechnical

OT-2026-000036029

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000036029) never changes.

Identity and time

Publication numberOT-2026-000036029 · never reused
Internal UUID01a0ae77-01cd-74bb-8140-de9c96faa911 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036029
StatusPUBLIC

Content hashes

Canonical text2b7685e139b0cdcac48a6d20ca733210d142428abd448f055969b1e52cfa855f
Markdown528c086cc2d17ae0d5179dbd9e66a1450f203f6da0d0881007155429e762f1fd
PDF
Publication page66a69c65ca0be7786121edf566c9f629c216f138f2dc290ccddf876bfb95e7e5
Manifest61f76fe6dbca729ad747118b147851b6469c5eac6cec8bc0c3b24addf71bd662

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
SignatureOn2+Ss0FRZYi+9at2paHvkWXMbbjhmNw/OGcVb0IsBqtDbmosJeb9U6QybuDXClxyKbIRX+VysKZJaS4FyBvBQ==
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

2026-09-17T11:26:12.404823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036029
observed 66a69c65ca0be7786121edf566c9f629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:12.386483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036029/manifest.json
observed 61f76fe6dbca729ad747118b147851b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:12.369700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036029/publication.md
observed 528c086cc2d17ae0d5179dbd9e66a145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:12.353369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036029/publication.txt
observed 2b7685e139b0cdcac48a6d20ca733210...
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.