OpenTechnical

OT-2026-000094173

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000094173) never changes.

Identity and time

Publication numberOT-2026-000094173 · never reused
Internal UUID01a0ae9e-92cb-7a59-874f-bf073b5f5073 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094173
StatusPUBLIC

Content hashes

Canonical textabf52cdfda4dea0a0901763c5e2cb485372d61454bfaabe46137cdb984134ad6
Markdownff21a6f03452d409df47b870e88aa9a9bd2cfa0b7374c853eecda5f9c96a677f
PDF
Publication page223cc772779f7a741ef88a886bba038f3b73902dd4378bd83ba7652497bfe37c
Manifest631a7826f42a29b2585dd8fb60e3fcf0620b1f8308f6829a9492639d8b9e732a

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
SignatureTeUheQdNtShnWfiznscl07zMxDqIbLK0QlvW5KAtxEZmjVTvOummxklI/hT5LvVCJww6fSS31bi2FMmZj2muDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:38:38.266206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094173
observed 223cc772779f7a741ef88a886bba038f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:38.249434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094173/manifest.json
observed 631a7826f42a29b2585dd8fb60e3fcf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:38.233001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094173/publication.md
observed ff21a6f03452d409df47b870e88aa9a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:38.216930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094173/publication.txt
observed abf52cdfda4dea0a0901763c5e2cb485...
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.