OpenTechnical

OT-2026-000032843

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000032843) never changes.

Identity and time

Publication numberOT-2026-000032843 · never reused
Internal UUID01a0ae75-4842-74a7-993b-08d0a635dbb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032843
StatusPUBLIC

Content hashes

Canonical text407dbd295bf6d21b7179a1ef62b78af3c8bdea9b55f5bb0f0b8eb021492f62d8
Markdown609401df8c19ea9d8fb5edb551e89b01272bd1383e9cb3a700bb00101c4c56be
PDF
Publication page5f58b94c9ef13f6c32efbf9e9f63f2ab144970f445dbb162a6ac2cfe857d5939
Manifestb9d3418a4070d9d5ae2599735b7dee3fba18d7a8230eba206ee05e93c33cc535

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
Signature3wRBzOLA9Gk+iGVbRjWwrmaYcNSnSaJfi5empe9rpHh7OyEpUs1xKTQImOIsCGX8JFh55db+AGZ8m9eGfQm9Bg==
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

2026-09-17T11:32:18.248119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032843
observed 5f58b94c9ef13f6c32efbf9e9f63f2ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:18.230964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032843/manifest.json
observed b9d3418a4070d9d5ae2599735b7dee3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:18.214330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032843/publication.md
observed 609401df8c19ea9d8fb5edb551e89b01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:18.197713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032843/publication.txt
observed 407dbd295bf6d21b7179a1ef62b78af3...
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.