OpenTechnical

OT-2026-000068298

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000068298) never changes.

Identity and time

Publication numberOT-2026-000068298 · never reused
Internal UUID01a0ae90-2480-71cb-a0f0-19cb7d4f9e0e · 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-2026-000068298
StatusPUBLIC

Content hashes

Canonical text1396ac109ce47db0a32938a062f2dc06e06cd7d3f1e970f2f664f6edce823413
Markdownc75d329a095af7da70c227cc28223dd8d32caf63e3b25587ea3a22b952cfca46
PDF
Publication page1f6e363eaf23a3bd7231bc77f08b5f6a7c8faa499aca698c02a6c1eec1bc99d4
Manifesta0926099161b9f886701129820eda7532895aab6ebe0ceb97b771c10df07bb3b

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
SignatureoND+caQd0K6jHc+/O9IXPgTG8JXAzUGgdRVosrLGDc7IDygttrn+Hd5vq5kAa3S4cMRcFZexjWw41IdCiyAqAA==
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

2026-09-17T10:29:20.006069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068298
observed 1f6e363eaf23a3bd7231bc77f08b5f6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.986117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068298/manifest.json
observed a0926099161b9f886701129820eda753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.969602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068298/publication.md
observed c75d329a095af7da70c227cc28223dd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.952116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068298/publication.txt
observed 1396ac109ce47db0a32938a062f2dc06...
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.