OpenTechnical

OT-2026-000026346

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000026346) never changes.

Identity and time

Publication numberOT-2026-000026346 · never reused
Internal UUID01a0ae71-f4a7-7207-bd17-b2be65346865 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026346
StatusPUBLIC

Content hashes

Canonical textb731b14fc8a33ec483e7fc3773186041b77ba832464f99bfcaa4d8a5278d257f
Markdown3118710d40905d1c8077201e019e94973c1bea5162a8985a83e5dff69372b83b
PDF
Publication page4289ac967690fd988201cf963cab047ea6535676b523c6d31193b2c54889ea62
Manifest705be265340342fe11e275462310c18b0dbaf2de1e5188fd5d43ada9e5d166e0

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
SignaturePxM4SPo/24wMJiApA0DTmlXKg8BaujaeAEiHdbBl+QE0RzaHyZDmRbZZp3o7jUZsEoEy2j+Cgewnsl97bQ1bDQ==
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

2026-09-17T11:44:18.931873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026346
observed 4289ac967690fd988201cf963cab047e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:18.914662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026346/manifest.json
observed 705be265340342fe11e275462310c18b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:18.899083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026346/publication.md
observed 3118710d40905d1c8077201e019e9497...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:18.878308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026346/publication.txt
observed b731b14fc8a33ec483e7fc3773186041...
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.