OpenTechnical

OT-2026-000009022

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000009022) never changes.

Identity and time

Publication numberOT-2026-000009022 · never reused
Internal UUID01a0ae6b-31b8-798d-b8d5-e8fab0c88be4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009022
StatusPUBLIC

Content hashes

Canonical texta8e6d99d76ca61d5db013c1c50ecc29bedf0e82f61817c764075035a4c64cc7b
Markdownbb459047ee8f962da0f721de3392970560d7b9e83255985fed9636737cf1fbbf
PDF
Publication pagefa16adb5e49a08181d8d60c72807fa1c5c1f5d53bb8967f0e2b1fa7079bd0f1c
Manifest2904dc91a160772266dd258414b705459582294e0a936f7d30de6955de3ec217

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
Signature7ndQyrlIuHNjq/NjvMer/Jig76r3olPjmWdHVmS09UJ8w7euXxEZdKuKGvcKIcBV+uhFEehDqjO9gGQyrtE/CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:39.879840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009022
observed fa16adb5e49a08181d8d60c72807fa1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:39.856608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009022/manifest.json
observed 2904dc91a160772266dd258414b70545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:39.834796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009022/publication.md
observed bb459047ee8f962da0f721de33929705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:39.811898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009022/publication.txt
observed a8e6d99d76ca61d5db013c1c50ecc29b...
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.