OpenTechnical

OT-2026-000091645

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091645) never changes.

Identity and time

Publication numberOT-2026-000091645 · never reused
Internal UUID01a0ae9d-43b8-737e-9733-f5da2aef0f42 · 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-2026-000091645
StatusPUBLIC

Content hashes

Canonical textbdb889cb9ba51c0f7f6bc6f89c5fd70f6da80d5196d0cdfa9c363306de205b91
Markdown94dd4eb2626ab1f4e036b6b6d1d27976e319fc6ba95c0befd78d983b35c903f7
PDF
Publication page109112b84a0dbe6194b95ecf24168cef9503779e3113aa89cc98940973b1b014
Manifest250ceccbf592bae737c81b339912915d901ed46d3edb313447f8bf8fa8b0056e

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
SignaturewiijVcJ2PSTN5LnRME6yWyQHzLQ+iGPgHqXiKm+xM7aXe9d3BlviMqvfYXhcfHpL/SgIHWjArd6uMo6hnc4xDQ==
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

2026-09-17T09:42:01.007127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091645
observed 109112b84a0dbe6194b95ecf24168cef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.988936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091645/manifest.json
observed 250ceccbf592bae737c81b339912915d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.970171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091645/publication.md
observed 94dd4eb2626ab1f4e036b6b6d1d27976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.950474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091645/publication.txt
observed bdb889cb9ba51c0f7f6bc6f89c5fd70f...
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.