OpenTechnical

OT-2026-000017161

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000017161) never changes.

Identity and time

Publication numberOT-2026-000017161 · never reused
Internal UUID01a0ae6e-76c7-71c2-bd14-2dee4c80736a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017161
StatusPUBLIC

Content hashes

Canonical textb9d5c11f6b96528a7aede0b4b39f52f3862cfd77a3705ca9542c311bce5c9e97
Markdownbc206a0958d39fd5098f59c656621cd8fbb2bd4b86431182fcb198df3b88dcac
PDF
Publication paged679e1305cb15b5c2c2c8356d96ee6ec404b8db2c728e023bbcc42c891c5e90f
Manifestcacedd1420dc7b47f9fa8a4e5270366c618597bf0e61dc0bb860767081a30d9f

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
SignatureWLtOhtD4KY42Bt+ljUhBab0lZR9oD6ybFY8JlbUDGULxwICBVh45waU0lW8NiSmEHBka06MvVHUKKM1pVjoIDA==
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

2026-09-17T12:02:13.579385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017161
observed d679e1305cb15b5c2c2c8356d96ee6ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.562781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017161/manifest.json
observed cacedd1420dc7b47f9fa8a4e5270366c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.544306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017161/publication.md
observed bc206a0958d39fd5098f59c656621cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.527748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017161/publication.txt
observed b9d5c11f6b96528a7aede0b4b39f52f3...
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.