OpenTechnical

OT-2026-000083500

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-2026-000083500) never changes.

Identity and time

Publication numberOT-2026-000083500 · never reused
Internal UUID01a0ae98-0415-78f5-b317-ed6f1dcf2e73 · 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-2026-000083500
StatusPUBLIC

Content hashes

Canonical text0dd3007598fdb14ae22529a16ec05f26be5541a59740ccd1d9495b3503a1d58a
Markdownf4b8df71df0eac3c12d646db81fb3089482609bddf1cebc8e712875514657edf
PDF
Publication page3c798e63fae4ac4cf2c04c4ccbe437022ecb83f798d194e65a18a6e15f8adf0b
Manifest5362da28e44e7309688246882295e50e5f942d45c7db63794eaabed115b3eec0

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
SignatureY6++3Hrt5NPDw0XkgXfDeSOQsZEXZkCSA85JYTO1/uhFPH0xyBSqQAKuYEQhO60A5LRXhpt3OKftEIisYhvXCQ==
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

2026-09-17T09:56:28.551922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083500
observed 3c798e63fae4ac4cf2c04c4ccbe43702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:28.534483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083500/manifest.json
observed 5362da28e44e7309688246882295e50e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:28.518662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083500/publication.md
observed f4b8df71df0eac3c12d646db81fb3089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:28.501655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083500/publication.txt
observed 0dd3007598fdb14ae22529a16ec05f26...
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.