OpenTechnical

OT-2026-000068287

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000068287) never changes.

Identity and time

Publication numberOT-2026-000068287 · never reused
Internal UUID01a0ae90-2480-7b59-81d0-558729f738ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068287
StatusPUBLIC

Content hashes

Canonical text00c17b8fa9c45d8e2e1bc9d176070dc313cd0cf3052e6ebb2dc28b1376a8682b
Markdown5cc1bcf338923ba9a2a92fb575717eb8d5ca8c88c5f1d29580258653c12c7bf5
PDF
Publication pagebbc1d7f68b2f2fbf7c7da6a3c1f87c3ae3906d15aa909edb21c19f2ea79e2598
Manifest6ecda2a641d41b6720defac4eda52b9f1be25254a9011ffb65313f4ec13d4206

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
SignatureD9TeL/3jEOfjSQiUmoMN+Q/BK64EJwDJ0syoFOldXKWgtOAYe9cMvsDtubsa8OzL4K8ssSK0OdL6s8hQnIAoBg==
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

2026-09-17T10:29:19.200294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068287
observed bbc1d7f68b2f2fbf7c7da6a3c1f87c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.182585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068287/manifest.json
observed 6ecda2a641d41b6720defac4eda52b9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.165983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068287/publication.md
observed 5cc1bcf338923ba9a2a92fb575717eb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.150071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068287/publication.txt
observed 00c17b8fa9c45d8e2e1bc9d176070dc3...
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.