OpenTechnical

OT-2026-000005716

Publication integrity record

Porous face vacuum gripper, per zone isolation, three stage ejector, contact triggered on the face

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-2026-000005716) never changes.

Identity and time

Publication numberOT-2026-000005716 · never reused
Internal UUID01a0a942-703a-78e5-b5f0-b98da9d90a3f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:08:18.749368Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005716
StatusPUBLIC

Content hashes

Canonical textcc4efc121056fc2a5b8494dfb4cd66e6da46c39d9e57ed7e796ff36bb5df3f1a
Markdown1ea3e5558d38f6300fd706fb3440edcd0fd6639bd23fe43f6f197b400d36ea5b
PDF
Publication pageb33053ff6fa02346ac8b7961c902ed3587ce248804ea84d82f1ec705d92a7320
Manifest344dbb714de9e6cd9ff6e58244bf48419f0f977a8e836d37a40591fa00ce3442

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
SignaturerziWc4ImkLhVZvDRXXI+SNoMcyvhXpgq63hLbUMJcfIrQXLcJrrTXdTJzxOdS7qK6wxqG9IhDeLAPKzn1VKxCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:08.176109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005716
observed b33053ff6fa02346ac8b7961c902ed35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:08.158644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005716/manifest.json
observed 344dbb714de9e6cd9ff6e58244bf4841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:08.142021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005716/publication.md
observed 1ea3e5558d38f6300fd706fb3440edcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:07.996486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005716/publication.txt
observed cc4efc121056fc2a5b8494dfb4cd66e6...
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.