OpenTechnical

OT-2026-000067154

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000067154) never changes.

Identity and time

Publication numberOT-2026-000067154 · never reused
Internal UUID01a0ae8f-14ff-721d-ac6b-a1209440152b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067154
StatusPUBLIC

Content hashes

Canonical text87c6df8b945a96ccb9870da142348c728661eda2c5727df6a27b500168d370a5
Markdownffae7d338a17b486ac43c13e56ddd0c1c5ab89e9d127b5f5f206c3921c9b4b4a
PDF
Publication page3887d1bad352f6c6392715356fbcddc11619a4f1ab62a3d6b63d6cfa9fba2f08
Manifestda4f63f6867a7fc325cd3436207e3e617875255d23bd0e5fc028a84671eaf27c

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
SignaturevzDjrA6kzV1J0QWtEfGhCipgT2N24+exV1uNgrFGae3rlQpvJtOqrZhiXYFnSzv73qEap3e1C+ogZjwA+VMtBQ==
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

2026-09-17T10:32:26.118053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067154
observed 3887d1bad352f6c6392715356fbcddc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:26.101897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067154/manifest.json
observed da4f63f6867a7fc325cd3436207e3e61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:26.084958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067154/publication.md
observed ffae7d338a17b486ac43c13e56ddd0c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:26.067471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067154/publication.txt
observed 87c6df8b945a96ccb9870da142348c72...
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.