OpenTechnical

OT-2026-000038018

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000038018) never changes.

Identity and time

Publication numberOT-2026-000038018 · never reused
Internal UUID01a0ae77-f88b-7392-9695-89ac4ab91617 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038018
StatusPUBLIC

Content hashes

Canonical textc937d25e9dff237371fc3b6f5fcbea7f42430865905774693a139e1454397000
Markdowncea2458cd6d831013d35d9cd97b019aa5a3c716126a7c639acc8830ce523e13e
PDF
Publication pagee1a841e91884d87e61001bd1dffe6a1702172273a65c08d90fdd8509759832b4
Manifest7cd6404800497bf88d00458f097a9117c6c1528ecd268aa121291f930cd959ea

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
SignatureEjN4owUpSnvozn9sLS9VL7o5YoeJFtg81hyqn01WN+O9Jws34BFua60ZhR4Z8GyIu99+Ay6OzdAj+GmRhL92Bg==
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

2026-09-17T11:23:19.535213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038018
observed e1a841e91884d87e61001bd1dffe6a17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:19.515910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038018/manifest.json
observed 7cd6404800497bf88d00458f097a9117...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:19.496912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038018/publication.md
observed cea2458cd6d831013d35d9cd97b019aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:19.479161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038018/publication.txt
observed c937d25e9dff237371fc3b6f5fcbea7f...
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.