OpenTechnical

OT-2026-000033374

Publication integrity record

Foam pad vacuum gripper, three stage ejector, pulsed blow-off after set-down

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-2026-000033374) never changes.

Identity and time

Publication numberOT-2026-000033374 · never reused
Internal UUID01a0ae75-8980-79d5-b9ac-93c631f6cc7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033374
StatusPUBLIC

Content hashes

Canonical text6f30afb8c4b9239f70e2805c665d9823603985239f86c229f963da10a4812ac5
Markdown8ae13b891f3b76a06e8ef49ad76cd95f9d3705c28dcb6a9fd11d62e7a8b81c76
PDF
Publication page4e0f2e60a154d70c6f2d647058b62f3d47b13b148b1f326348db506cd8206dfc
Manifest46267af1156de4d7a38705b6398836848948d882981342d56183d4b5624c82b7

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
SignaturepjJ0UtJXTqXKUdnQ8cT+fKQVNLPC1cl8eoAIRDrv7QX95mDvT7JphJPmUsE8INUNxSw6Ip7cylzpyFXyZ683CQ==
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

2026-09-17T11:32:08.666790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033374
observed 4e0f2e60a154d70c6f2d647058b62f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:08.647284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033374/manifest.json
observed 46267af1156de4d7a38705b639883684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:08.628686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033374/publication.md
observed 8ae13b891f3b76a06e8ef49ad76cd95f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:08.608994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033374/publication.txt
observed 6f30afb8c4b9239f70e2805c665d9823...
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.