OpenTechnical

OT-2026-000087162

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, 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-2026-000087162) never changes.

Identity and time

Publication numberOT-2026-000087162 · never reused
Internal UUID01a0ae9a-9f2e-7a4b-a730-209ff9dc4aad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087162
StatusPUBLIC

Content hashes

Canonical textb3b22a58bc1ea7bf26f7dfba8f49f493b0c4b3da5b1540e666511bc2ae6807c9
Markdowndeaa50501fca0141fb44289f928fd7614c6aac6108e9e8b2dd127b9f2f45c7b7
PDF
Publication pagece0777e9ad28f1182bae6dda7f156d31793680dfb208aa5e0446e35fc1003b82
Manifest9c8bc4ae8ad50233df2f767c75c0050566b4307db228c04a18e12da0d20231c4

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
SignatureEgzqsS9pz5Js5kUfgjGD03c/jt9IW0yvPiVxnU4c6bslaDlUxGZlx7NnzFBTxqBFBhxzZUIR/x4XGhFkmV1mCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:25.762486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087162
observed ce0777e9ad28f1182bae6dda7f156d31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:25.743762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087162/manifest.json
observed 9c8bc4ae8ad50233df2f767c75c00505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:25.725635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087162/publication.md
observed deaa50501fca0141fb44289f928fd761...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:25.708693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087162/publication.txt
observed b3b22a58bc1ea7bf26f7dfba8f49f493...
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.