OpenTechnical

OT-2026-000083048

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line 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-2026-000083048) never changes.

Identity and time

Publication numberOT-2026-000083048 · never reused
Internal UUID01a0ae97-c961-7fc9-b5e9-54bd505aa0ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083048
StatusPUBLIC

Content hashes

Canonical text143c563699505c305cfdcd7473533c50aca6cf006d706b35bd349a6d7980f255
Markdownc029e0efdbf85de52619d72e29241861670751a8f8d34aaddfa5b1dedfbf344f
PDF
Publication page1c7e06195942d2d2ac54268e98c7498d4d4964e35fdfebc98d2648882a6b1ca2
Manifest55d4ff93ca1887cd3f89e58936de4775bb0cc4ac611ce5f0b4f4dbdf3bd86991

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
SignatureY1zO+czVcNZ4zxgM1uNZlQJpNxaPxwl/eWB/DRaepfL8Y+yjfWHisZ6WrCgx+v3yhDIY8spnZypo6ZedKfWjBw==
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

2026-09-17T09:00:25.640872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083048
observed 1c7e06195942d2d2ac54268e98c7498d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:25.612447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083048/manifest.json
observed 55d4ff93ca1887cd3f89e58936de4775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:25.586377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083048/publication.md
observed c029e0efdbf85de52619d72e29241861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:25.566802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083048/publication.txt
observed 143c563699505c305cfdcd7473533c50...
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.