OpenTechnical

OT-2026-000029696

Publication integrity record

Single bellows cup vacuum gripper, single 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-2026-000029696) never changes.

Identity and time

Publication numberOT-2026-000029696 · never reused
Internal UUID01a0ae73-5e23-7765-8928-32c7938dc786 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029696
StatusPUBLIC

Content hashes

Canonical text94144089e5e31ed0a61b4c60f4ce9b6d7a3984c5d50e908e0662cb5c45e659d2
Markdownd18b6361a42172ff82260bf1fcc6a9e791afaedaf62c6e18782972dab6180048
PDF
Publication page88bc9ab5f92f9beb856cfcb7a00137446b951486cb57e2d146559d34313471ee
Manifeste43e554da7587505c4a1be5be96cd518206175a5052010d32dddb60a9f51e18a

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
SignaturedxYNjXYrunUrPe/HJUQDU4T47zRgusnwZg2A0ijzvbAjDhmFz9W6GAMd8sHHb3xy22VWfR5q1TZqr8A452NoAA==
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

2026-09-17T11:39:25.462571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029696
observed 88bc9ab5f92f9beb856cfcb7a0013744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:25.442770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029696/manifest.json
observed e43e554da7587505c4a1be5be96cd518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:25.422607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029696/publication.md
observed d18b6361a42172ff82260bf1fcc6a9e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:25.403255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029696/publication.txt
observed 94144089e5e31ed0a61b4c60f4ce9b6d...
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.