OpenTechnical

OT-2026-000068699

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000068699) never changes.

Identity and time

Publication numberOT-2026-000068699 · never reused
Internal UUID01a0ae90-2483-73a9-bd86-a48102a53cee · 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-2026-000068699
StatusPUBLIC

Content hashes

Canonical textfb94f69cd92f7eaeb1d63fc07dda2f332d9b258e10ba9570cd8d4965566bfa82
Markdown1e86a1ac4463ec863f2ed3e1770fd194459118930205dd3d6f2f30ae9a6fd872
PDF
Publication pageb065734c2eb8700daadd0b3c8c5c6f4a206fd25bb7a17392d241889b459048e0
Manifestb35146ab5351235f48bd854a77599b7a9e012cb93ce8277346ce6b4bd98eef46

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
SignatureZQrB/Kbh2PMot32Ih465S1tONwNwXQ2INaHveIKrGI+MT9RKCOaUexjGtpgiD+hx904mK60kzjijFXOOt5T9Aw==
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

2026-09-17T10:29:54.393019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068699
observed b065734c2eb8700daadd0b3c8c5c6f4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.376305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068699/manifest.json
observed b35146ab5351235f48bd854a77599b7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.360909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068699/publication.md
observed 1e86a1ac4463ec863f2ed3e1770fd194...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.344829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068699/publication.txt
observed fb94f69cd92f7eaeb1d63fc07dda2f33...
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.