OpenTechnical

OT-2026-000068167

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000068167) never changes.

Identity and time

Publication numberOT-2026-000068167 · never reused
Internal UUID01a0ae8f-c4ff-7810-a2a5-f84d0b26b732 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068167
StatusPUBLIC

Content hashes

Canonical texte797d0cac71225cf896a8990bb5e65ade7c4d93f3fb0bb54615a1beb9f333de0
Markdown0ce59923b75aaafcea79304d32430b2de85d8d8bc046d1c53029477b0006ef24
PDF
Publication page3208f37a31f7c4f8707ff82ce4542cfd849796fd0aaccf28036ae618e0d0c244
Manifest97b64b56c52e910a2a6060c80b238bee83d49348e97101a9f9feb21ad625cb80

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
SignatureYfcDQKAzidZEoIYSyo74Duz1NON7jVC4jk5nkAtBlENcSjyme4oYghyafQ3CZLNYXbHAkkbTCJ8GtnwZY47TDg==
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

2026-09-17T10:30:49.342957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068167
observed 3208f37a31f7c4f8707ff82ce4542cfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.324743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068167/manifest.json
observed 97b64b56c52e910a2a6060c80b238bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.305886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068167/publication.md
observed 0ce59923b75aaafcea79304d32430b2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.289749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068167/publication.txt
observed e797d0cac71225cf896a8990bb5e65ad...
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.