OpenTechnical

OT-2026-000083510

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000083510) never changes.

Identity and time

Publication numberOT-2026-000083510 · never reused
Internal UUID01a0ae98-0415-789a-8791-8f91b176dff9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083510
StatusPUBLIC

Content hashes

Canonical textcfb95f66ce5b3a111d6dc26a6a4706686bff05fe0e1d6e51a02da63c7366d455
Markdownbf082de43803cf90da0c8851b915304a1e080ccdf5a8a6b6216b1c7d31b03a06
PDF
Publication pagec5fe1eb1b2fccc48d2c67e83590e2eaeb0a3f705d0fae838a84ac8186311f91d
Manifest2c054cbe984338d79a853381bdf78f141e0707cf2897b7874fabd705888331f1

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
SignatureFO/e3YwnMtw1b0IX9yfocdjXtUE7oGwnPeTo2W6+G3rGHutP9UQPfrxyHAD91qdLbs3H30K0kTnjjU2auiIbBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:29.252839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083510
observed c5fe1eb1b2fccc48d2c67e83590e2eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:29.236233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083510/manifest.json
observed 2c054cbe984338d79a853381bdf78f14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:29.219624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083510/publication.md
observed bf082de43803cf90da0c8851b915304a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:29.201848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083510/publication.txt
observed cfb95f66ce5b3a111d6dc26a6a470668...
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.