OpenTechnical

OT-2026-000068197

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after set-down

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-2026-000068197) never changes.

Identity and time

Publication numberOT-2026-000068197 · never reused
Internal UUID01a0ae8f-c4ff-7b91-abfa-090722746113 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068197
StatusPUBLIC

Content hashes

Canonical textbef3ef299abf734d7aa14e95c8a9e189e3d5cf8b92ac2312b13675543508a014
Markdown14fc3e65abf90bd29919ac8c223e880e600bd821ba0c514e4590a89bafc383df
PDF
Publication page3fd13eec2f26e5a8c11a7d491dbcd3126a30d5a8a432c59e56b08af4bc454df3
Manifestdef4eac8a171a30f030db8a572c24d269a7a9b57cbb4f4f2cd04723561766ada

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
Signature7iR/R/lUuNcs5mcl9GCW+Hs1VU+updCwpCJTKckHIZiF+LE/lFjAAzr2ZcLYzE+U8cwJtR27imfTvFpG3vX5BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:49.988581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068197
observed 3fd13eec2f26e5a8c11a7d491dbcd312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.971572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068197/manifest.json
observed def4eac8a171a30f030db8a572c24d26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.948479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068197/publication.md
observed 14fc3e65abf90bd29919ac8c223e880e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.924661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068197/publication.txt
observed bef3ef299abf734d7aa14e95c8a9e189...
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.