OpenTechnical

OT-2026-000083018

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum 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-2026-000083018) never changes.

Identity and time

Publication numberOT-2026-000083018 · never reused
Internal UUID01a0ae97-c961-7dd2-b774-f7f72f23d947 · 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-2026-000083018
StatusPUBLIC

Content hashes

Canonical text9363c8a43b0b28cd3945e578a8c00037d43820e85c0ad526e0ffa5c264355b1f
Markdowna298cd3e8852da021126d12e4653a2d228f202634e791a997fc04efe2bb411d3
PDF
Publication pagef52bf88bed6404c928453c4915e98d1f4a8bd7c4ec93ac198632df922aa6270e
Manifestca066831c8d00f499fb2c72f60412e0a654fab049aff5f83377c29828f83a37d

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
Signature7MphgnTfIn6bPnomsR7slcHORAU7umgthL5H+J32op0a+WyWXoDUL/26+2nBwkinAdWjqEteYVffXN1E4pr0BQ==
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

2026-09-17T09:00:18.850066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083018
observed f52bf88bed6404c928453c4915e98d1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:18.824427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083018/manifest.json
observed ca066831c8d00f499fb2c72f60412e0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:18.676486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083018/publication.md
observed a298cd3e8852da021126d12e4653a2d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:18.645873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083018/publication.txt
observed 9363c8a43b0b28cd3945e578a8c00037...
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.