OpenTechnical

OT-2026-000026906

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off before 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-2026-000026906) never changes.

Identity and time

Publication numberOT-2026-000026906 · never reused
Internal UUID01a0ae72-3452-72ac-bb8b-84a302a04b8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026906
StatusPUBLIC

Content hashes

Canonical textcbab94ddeeaa42fef379cf8fcb106850b484371473a54b82ca58edc5677a2b3c
Markdowndef74c0e035978e2056c34ac979e3b52b30e535a5295f27ae8435fe7e00f68f2
PDF
Publication page39a790e8283824ad10346cb81ade2247adb389a304beb474925a227f4da40013
Manifesta8e68965e140270c6bf4f0cc3c323a37e1911afb0d2e666c3f1362f70886365c

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
SignaturenuA06KQ/99WOr0yYjr1slwTWlD9ymCP68lkRDaeXQdWNjo5uuoSyEL3+0Zyjw6nXGHn1aIieXKAi5kBUw6Z8AA==
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

2026-09-17T11:43:31.066396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026906
observed 39a790e8283824ad10346cb81ade2247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:31.048955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026906/manifest.json
observed a8e68965e140270c6bf4f0cc3c323a37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:31.031348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026906/publication.md
observed def74c0e035978e2056c34ac979e3b52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:31.012364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026906/publication.txt
observed cbab94ddeeaa42fef379cf8fcb106850...
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.