OpenTechnical

OT-2026-000091295

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000091295) never changes.

Identity and time

Publication numberOT-2026-000091295 · never reused
Internal UUID01a0ae9c-f16c-7851-bf39-6b1952263bae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091295
StatusPUBLIC

Content hashes

Canonical text2cec785cc974b05bcdcfecefcb1464852580f8a08e0a4cc5552d41ebef413864
Markdown297655e91b9ccbfd7e28604eba318f1e800d6e3c6282b76d646e8d2db4438127
PDF
Publication page4bb934fff413b1756cc6026df8e1e34f440997c7c7a2a38674c3c5eb4989c60b
Manifesta28a8d341688fa4f822f84a86e7f6f0cbd18c02dcce0d23caad4d4981be449f1

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
Signature9xV8MjfcevZUJXy+VwE/Ln+WEO3nQY8fSXgfVl8STFR5XBVfs0j7PLhQv+CFFsOKJ5OoVIl2nQkq1tRNtNR1Dg==
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

2026-09-17T09:43:29.356562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091295
observed 4bb934fff413b1756cc6026df8e1e34f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:29.337594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091295/manifest.json
observed a28a8d341688fa4f822f84a86e7f6f0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:29.316942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091295/publication.md
observed 297655e91b9ccbfd7e28604eba318f1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:29.299300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091295/publication.txt
observed 2cec785cc974b05bcdcfecefcb146485...
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.