OpenTechnical

OT-2026-000038293

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000038293) never changes.

Identity and time

Publication numberOT-2026-000038293 · never reused
Internal UUID01a0ae78-2d51-7d93-b9ad-f3cf045cb92c · 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-2026-000038293
StatusPUBLIC

Content hashes

Canonical texted4f79b1cab26fac9429a4f991c67298deb898aa7e2682d937594160c0a9b088
Markdown5370289ff614611d16390930bd265a0cb0f93ddafe1e2b55d33c51f4cb97dba2
PDF
Publication pagee7b4a701dbb4c57618698a1e2328ef5cea4742f20c0b9337fafb6810a8140923
Manifestb4c280daf8f57fe2a0203916bba2b82107374a698c47cc118d9e82003d6a0643

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
SignatureQE2i8jgIabuNPRuug1ZTHZAgak/4koxCq53EsSR1mxTPvZlyY9QteniX+sGwqdf42Xf1ImX73CIAOCHuIWa4Cg==
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

2026-09-17T11:22:27.668089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038293
observed e7b4a701dbb4c57618698a1e2328ef5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:27.651632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038293/manifest.json
observed b4c280daf8f57fe2a0203916bba2b821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:27.635331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038293/publication.md
observed 5370289ff614611d16390930bd265a0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:27.618895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038293/publication.txt
observed ed4f79b1cab26fac9429a4f991c67298...
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.