OpenTechnical

OT-2026-000056431

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000056431) never changes.

Identity and time

Publication numberOT-2026-000056431 · never reused
Internal UUID01a0ae87-4bd2-7c49-8fc8-47e4fe3ed7ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056431
StatusPUBLIC

Content hashes

Canonical text1e2d64733336b62b0e0eed0fd4d28a29360b0aa554754d97b4e0991fcdd7f9c0
Markdown12319a29a5745907493586c9e3feab2911d79c4a634a7d4aaa90cf996c5dce0f
PDF
Publication pagecb24d1fbcb26b6414f77b5ee3500bb27a15eb047484acb22fdf9f0a86a452db2
Manifesta159c88b7f36daf5284aa4b30cc8b2b0d160727534add9bf1d143cb6c69fa966

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
SignatureFzUcriHb8yGjG1CultwxwlVnpoJ+btyG1pRHbvkklib1tzxoi/bgdrq18ToiLHfWqiQ9OBOziRnlSCzhjC3tDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:57.821468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056431
observed cb24d1fbcb26b6414f77b5ee3500bb27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:57.805119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056431/manifest.json
observed a159c88b7f36daf5284aa4b30cc8b2b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:57.788662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056431/publication.md
observed 12319a29a5745907493586c9e3feab29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:57.770161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056431/publication.txt
observed 1e2d64733336b62b0e0eed0fd4d28a29...
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.