OpenTechnical

OT-2026-000067505

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000067505) never changes.

Identity and time

Publication numberOT-2026-000067505 · never reused
Internal UUID01a0ae8f-6bd9-7375-b1d5-0e9d0cdb10ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067505
StatusPUBLIC

Content hashes

Canonical textb1e7b635099f18f3da33d92876b6ea6a30f0f47726fc5b140c0d27c7399129ac
Markdowne116878be2d4ea5eaafc9c46273dc39a5c89d22950d43e9f334578320b82e8f5
PDF
Publication pageb3fa9e7a108f9970eda4fa6f3b3e10823ff98ccfdd39a9844c1ed528dd4270ad
Manifest4dad5cdd179ed2d79362aa3378124d743593e905eb71b95af52ceeb1addbb462

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
SignatureAgcFO6xfYT/HTDW3A/72ho6N02GiWhq/6oBN3kyiav1vhcMcQufqRZdaK4cIMQIjYiTsN+tbWss3z13zQZU0BQ==
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

2026-09-17T10:31:48.090149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067505
observed b3fa9e7a108f9970eda4fa6f3b3e1082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:48.071784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067505/manifest.json
observed 4dad5cdd179ed2d79362aa3378124d74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:48.053867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067505/publication.md
observed e116878be2d4ea5eaafc9c46273dc39a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:48.033680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067505/publication.txt
observed b1e7b635099f18f3da33d92876b6ea6a...
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.