OpenTechnical

OT-2026-000091622

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000091622) never changes.

Identity and time

Publication numberOT-2026-000091622 · never reused
Internal UUID01a0ae9d-43b8-7c16-98c7-0232a62808d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091622
StatusPUBLIC

Content hashes

Canonical textfbc7fdeed223c6422405a1000e5d4768f570a219ebef2d7868e1470bf1a06fb2
Markdown7954ceca9a11dc2775cb71165323a2fc70339bc26da7b57f2b4146231b4f50bf
PDF
Publication page08ce51965873bc3ffd36aac1c161269b38594b94862a74c59fc1e0724fa31d01
Manifestb7d7265060149343796e5b7ba39a4a65bbb5275428881e6810d22b3d8a15b083

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
Signaturet2locXxkb/EWNXs7RA0jA0cGHVGIxuRcRJu4BF1vWan1sfUCowmOBxkf0JAR/+vY5vmBahZGO4MKpRWS8QNaBw==
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

2026-09-17T09:41:58.934768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091622
observed 08ce51965873bc3ffd36aac1c161269b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:58.918094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091622/manifest.json
observed b7d7265060149343796e5b7ba39a4a65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:58.901659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091622/publication.md
observed 7954ceca9a11dc2775cb71165323a2fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:58.884471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091622/publication.txt
observed fbc7fdeed223c6422405a1000e5d4768...
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.