OpenTechnical

OT-2026-000019362

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000019362) never changes.

Identity and time

Publication numberOT-2026-000019362 · never reused
Internal UUID01a0ae6e-f392-7d12-9a9f-2b02e1122db4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019362
StatusPUBLIC

Content hashes

Canonical text58492abb55d6faa8ea45b5dd27448a2d0fc5bcb711fd2b1fa9583e022b552843
Markdown39c93829dc33f0557016358f21f07a6f46799eb1765014eb36710b6ba7ff6d42
PDF
Publication page3d6a3b2d06fc4e2251fd833577da58f799456b00834f01f167e0f255a7b44bdd
Manifest1a3af7530c4d93618965f626bc8e9126682e837c85cc28a6eb835975248184fd

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
SignatureK2odbGEJKcXmhKNqY3T7J1lfcKnrMLdazSAVBA9LySV1Z1uixB6wPDV4i0nCabSOf1eHrwrzBTz3ScvXkhewCQ==
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

2026-09-17T11:58:44.506004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019362
observed 3d6a3b2d06fc4e2251fd833577da58f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:44.486879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019362/manifest.json
observed 1a3af7530c4d93618965f626bc8e9126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:44.467701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019362/publication.md
observed 39c93829dc33f0557016358f21f07a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:44.450785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019362/publication.txt
observed 58492abb55d6faa8ea45b5dd27448a2d...
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.