OpenTechnical

OT-2026-000067370

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000067370) never changes.

Identity and time

Publication numberOT-2026-000067370 · never reused
Internal UUID01a0ae8f-6bd8-7f60-a891-a1a978c7b7b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067370
StatusPUBLIC

Content hashes

Canonical text90b90872ec43d98a7ffcec65085eb30834fc31d2a5e5218ad3c5bb7da1f30372
Markdown3047d538f783abd02ddc03edd13e96a1fe48c8dfa68ce88c5373e103eb29b87e
PDF
Publication page9ee5d6b2fbb66b91df9b1f1e179a9b557424b1d2a764bbb55e1c43eee662cb42
Manifestdff64a6e236fdf0e2e749f8dd6631e2d53950c8da5933405c7d2b5c892686c9a

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
SignaturehzVVyz/E7sMevVsYpXyh+1fQove5vIAyGzt5UrUuDAzaI/x7U9QHi1DNXOatUfQOjj07RtvbWjIU5JgXROtOAg==
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

2026-09-17T10:31:33.408676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067370
observed 9ee5d6b2fbb66b91df9b1f1e179a9b55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:33.392825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067370/manifest.json
observed dff64a6e236fdf0e2e749f8dd6631e2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:33.375062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067370/publication.md
observed 3047d538f783abd02ddc03edd13e96a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:33.358616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067370/publication.txt
observed 90b90872ec43d98a7ffcec65085eb308...
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.