OpenTechnical

OT-2026-000054430

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000054430) never changes.

Identity and time

Publication numberOT-2026-000054430 · never reused
Internal UUID01a0ae86-1282-7d8f-9ea7-e1373d291343 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054430
StatusPUBLIC

Content hashes

Canonical text8946d9ecb27c9ba11c39d22690dc4d7ec2d0b7fc6bb7c29601f9c23a7e545ba4
Markdown81af40470f5a9ee3cdccbba72aff34c1c734d6860658d6506a9daa51628c99ae
PDF
Publication page2e016c8a8b341f3a984f419be92536006d1ffdfbf70f2c6dec286434a131d291
Manifesta922821692a89d79ce986b7bebf306e07b846b5f01acc9796d135538a126c93a

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
Signatureq83OzqmZ8tiPktYFc72OJrLsCy/JN5TVbRTYDiR/tWgP2UjLU/cWMzUfXyFBkiXYa4kiOVizFZWwSqGcQR3kDQ==
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

2026-09-17T10:53:24.766393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054430
observed 2e016c8a8b341f3a984f419be9253600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:24.748337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054430/manifest.json
observed a922821692a89d79ce986b7bebf306e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:24.731374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054430/publication.md
observed 81af40470f5a9ee3cdccbba72aff34c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:24.713254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054430/publication.txt
observed 8946d9ecb27c9ba11c39d22690dc4d7e...
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.