OpenTechnical

OT-2026-000038386

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000038386) never changes.

Identity and time

Publication numberOT-2026-000038386 · never reused
Internal UUID01a0ae78-2d52-7747-aa0e-9fd5dbc11ccf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038386
StatusPUBLIC

Content hashes

Canonical text529fbdf81a9ecb199a31a7bbd472fa321401278a6a0481b890cb2707a9a212f9
Markdown64d182625c39eeae634f56d7c62672a04e3ef0b1bd1c8f62095641d4d2a2930e
PDF
Publication paged7424fde59415856283cba168e02ac4969370594c71cbf394cce08a140c9e397
Manifest7fe04f24400169325a30015366cf41923a5796e6a69154d18323c21ebec06fa4

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
SignatureQqubURPsEZ2q86i4XPXOJAZ0+JFwUh81C1aU2VpD9GoW8OBA98+HzaZGi5MsqiRQjNAh08jHHpU5MYOdC44ABg==
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

2026-09-17T11:22:35.309982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038386
observed d7424fde59415856283cba168e02ac49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.292740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038386/manifest.json
observed 7fe04f24400169325a30015366cf4192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.274641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038386/publication.md
observed 64d182625c39eeae634f56d7c62672a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.253306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038386/publication.txt
observed 529fbdf81a9ecb199a31a7bbd472fa32...
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.