OpenTechnical

OT-2026-000050423

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000050423) never changes.

Identity and time

Publication numberOT-2026-000050423 · never reused
Internal UUID01a0ae82-5c48-7596-bea0-348aba25ca8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050423
StatusPUBLIC

Content hashes

Canonical text2fd2f3e1366dff4f290fecd02338bc28aa4dc9c1d77b99bc7b3a70b580e6cdd6
Markdowndb004d6bb770e3607622669c02944ae7d46c4ffb8aabbb8627be5855aea06b34
PDF
Publication page5a99b04cfe95891dd9a5f707d214823ee4d3d3fd30f04ef508a05755b7b56131
Manifest47be7f0d94335dd59fa0366ab0653e9c6a704dcc8b3da1373553d8e2c76f53fb

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
SignatureFdb3gI9ApxAau4GMmRJ4mMEIwKhKUVC88V+58OxO2EadtoG2h7TtSRX0sYxty8QnYAa5WpFe5zg0apvQ3HDJBQ==
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

2026-09-17T11:01:28.144678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050423
observed 5a99b04cfe95891dd9a5f707d214823e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:28.128635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050423/manifest.json
observed 47be7f0d94335dd59fa0366ab0653e9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:28.111925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050423/publication.md
observed db004d6bb770e3607622669c02944ae7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:28.094281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050423/publication.txt
observed 2fd2f3e1366dff4f290fecd02338bc28...
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.