OpenTechnical

OT-2026-000068157

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000068157) never changes.

Identity and time

Publication numberOT-2026-000068157 · never reused
Internal UUID01a0ae8f-c4ff-7c4f-9a7e-893f6d353131 · 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-2026-000068157
StatusPUBLIC

Content hashes

Canonical text3b4d9e79169116627454b6a9283d061ea9d4cf0be1f16d51b49aaa091b99798a
Markdowna148dd2fddf853b2e023a15e0ad0c9703be9b4a6f9d3bdf938013093d57d4b33
PDF
Publication pageac30e76a2fd16cb84930bd28ce4c7c0dd9d3dc581b5451beac457909a0120248
Manifest289e59084b73789196984e764294bf741bb8b322796a20c2c2ec48f8d31ee0b0

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
SignaturePs5coItAynlCcvMZcwb+wcrGN5JiqB4nkWPBAF7BCymS2P3AAa0iaDAMAs/UE2xuXmZbAgt5oHOw3yQ8iNEKAw==
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

2026-09-17T10:30:48.537636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068157
observed ac30e76a2fd16cb84930bd28ce4c7c0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:48.521193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068157/manifest.json
observed 289e59084b73789196984e764294bf74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:48.502193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068157/publication.md
observed a148dd2fddf853b2e023a15e0ad0c970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:48.486915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068157/publication.txt
observed 3b4d9e79169116627454b6a9283d061e...
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.