OpenTechnical

OT-2026-000042418

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000042418) never changes.

Identity and time

Publication numberOT-2026-000042418 · never reused
Internal UUID01a0ae7a-5d75-784a-bc30-4123cb2eab81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042418
StatusPUBLIC

Content hashes

Canonical text35e9da900e465f1e11b08f2e3cfd46f6ccdecba3afee302bf3eddf93d1b984b2
Markdownd0cde65dffa715a7945da42e8eeae692374ae75959de7147acbd3fa10e591449
PDF
Publication page9935ef6193ed43dd31939340603188e59eca5dfd2c43f2232d9b10308d06d4e5
Manifest9d7e01ae2c6f38c5177a3a54a1f2e1c5ff9a211844237dce735782ef42446405

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
Signature8tA/nBa5dgc/MGyT87DF6i+sl4suCbyFx5uXqsNPie3xcC32G2+jCJuDw4eMnD5+ccA2istEzBfRvc+vl97XAA==
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

2026-09-17T11:16:13.008838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042418
observed 9935ef6193ed43dd31939340603188e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:12.991129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042418/manifest.json
observed 9d7e01ae2c6f38c5177a3a54a1f2e1c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:12.974112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042418/publication.md
observed d0cde65dffa715a7945da42e8eeae692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:12.956569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042418/publication.txt
observed 35e9da900e465f1e11b08f2e3cfd46f6...
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.