OpenTechnical

OT-2026-000068548

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000068548) never changes.

Identity and time

Publication numberOT-2026-000068548 · never reused
Internal UUID01a0ae90-2482-7b9b-8f21-1a8d645b766e · 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-2026-000068548
StatusPUBLIC

Content hashes

Canonical text1d6f7eade25b6935e2bcaa7924b628b504d42154e9743ae272a5048e08af7cf4
Markdown4be7e9723a8a130881f034a8cabe513d9a1282c4be68783a3a888f74e315d1c6
PDF
Publication pageafd023269ee3c41ace2d9fc21b43621849562b39c29b4669d80eaccc608667c9
Manifestb6e3ccdf537c0be2c7f3b27dd3b190631ffd8b410b78608bbe0c5a4a683527cb

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
SignatureqgM9aoKsCyzKD1c1yxNtYGa8hyqkVmtGwlFkniP07EHUo2LzeIC5TWnK0cqdIq/b1MhtGanZxyjj2ZisTtJWBg==
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

2026-09-17T10:29:42.899336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068548
observed afd023269ee3c41ace2d9fc21b436218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.881028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068548/manifest.json
observed b6e3ccdf537c0be2c7f3b27dd3b19063...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.862479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068548/publication.md
observed 4be7e9723a8a130881f034a8cabe513d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.845434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068548/publication.txt
observed 1d6f7eade25b6935e2bcaa7924b628b5...
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.