OpenTechnical

OT-2026-000101561

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, 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-2026-000101561) never changes.

Identity and time

Publication numberOT-2026-000101561 · never reused
Internal UUID01a0aea4-0e15-73bf-9ab7-19d09d6fbc53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101561
StatusPUBLIC

Content hashes

Canonical textc18a995fea731ab816e99857e04e914b74744f6a7a07f50bf33ebf081feee057
Markdownb9ddaf138db63a6dd7ad3e630e72244976e8ec1e1bd56383e206053d97e8161e
PDF
Publication pagee79c6d3ed3d696c68cc4406171cda791f54d94c7b1844c5e9803639db38b33b7
Manifest40e9ba86b51902197166d0013a09f5ab602ae1fd8382a922f38b46ee82a53d5b

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
Signature4mHgOTsuKjU4oj8PTIw/pS9/lBoUSJlTO6pgmC27hylhGxARPKNNuctoGBlHhAyU0eYPzhhkM4SIv1JHJHJ/Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:36.482516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101561
observed e79c6d3ed3d696c68cc4406171cda791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:36.464062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101561/manifest.json
observed 40e9ba86b51902197166d0013a09f5ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:36.426499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101561/publication.md
observed b9ddaf138db63a6dd7ad3e630e722449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:36.391219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101561/publication.txt
observed c18a995fea731ab816e99857e04e914b...
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.