OpenTechnical

OT-2026-000062301

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000062301) never changes.

Identity and time

Publication numberOT-2026-000062301 · never reused
Internal UUID01a0ae8c-0abe-7d6a-adec-d47cb17fa5c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062301
StatusPUBLIC

Content hashes

Canonical text96b0a277e8f7c535cc504ec8af544e786602d13609f9d1cd93f31d1611df6b06
Markdownc7344f0f3db7de1bf8d3eb86a9144b06df9f39ec0574dad20e99df3197fde769
PDF
Publication page3b1d7f00bcf30e44cc7000ef32a6ff42fd98a0b71f92675af5ddadb1c4c67283
Manifest17093e76381c2f7af3e85e85912db74f2d4e200e56eaf3c03115fd9bf056bd1c

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
SignaturebAMe39wKj3L5lPM/xU7NIjA4QyzqHhqf9psyvsISst6Y2rIX8oou+dFXqMrK/W+dzDuK/NnFJuC6eVXSlp7IBQ==
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

2026-09-17T10:39:35.411832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062301
observed 3b1d7f00bcf30e44cc7000ef32a6ff42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:35.394788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062301/manifest.json
observed 17093e76381c2f7af3e85e85912db74f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:35.371812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062301/publication.md
observed c7344f0f3db7de1bf8d3eb86a9144b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:35.353632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062301/publication.txt
observed 96b0a277e8f7c535cc504ec8af544e78...
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.