OpenTechnical

OT-2026-000041210

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000041210) never changes.

Identity and time

Publication numberOT-2026-000041210 · never reused
Internal UUID01a0ae79-b143-7614-ac34-f3e9d2f9aa67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041210
StatusPUBLIC

Content hashes

Canonical textda7908a46e08ad53ae318931fbd358dcd985d3627cc3a89e88f5961954ca3c50
Markdowna7608e6f11e1b219e0793c8ba1ffc94e8f62907c5751649161c986e5844756a7
PDF
Publication page4ce94ede2477f70a17c512b9bcedcc7af85f0ccc6873095745a6e86324f2620a
Manifest59a4338e6d2d08d3b9ba60d85197cfdca46d04bfd485015ececf06950ff00cce

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
SignatureImYwbAuiMZhmzwT0A3F8G1EhpoP8M2iz4D7xz4ccKvkUtrOkOFEBdNRFXajRXt5O7HETIuDgPZnwKZYk9mmSDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:17:10.154865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041210
observed 4ce94ede2477f70a17c512b9bcedcc7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.137617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041210/manifest.json
observed 59a4338e6d2d08d3b9ba60d85197cfdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.120743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041210/publication.md
observed a7608e6f11e1b219e0793c8ba1ffc94e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.073755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041210/publication.txt
observed da7908a46e08ad53ae318931fbd358dc...
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.