OpenTechnical

OT-2026-000071278

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000071278) never changes.

Identity and time

Publication numberOT-2026-000071278 · never reused
Internal UUID01a0ae91-e0ec-7e68-a46f-efa2d3d85248 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071278
StatusPUBLIC

Content hashes

Canonical text1f13324065d9b0bbe2f05450012d094ee73aa9e817e6f8d2846af42c27807f47
Markdownc8cfac4f56bcf48be1c080ad8445f769ca6e86f7c868f1444f522457c645fb87
PDF
Publication page4d10d1d5875c40a5ae058699e2f117d261492545a8f6a1f9d451987904189157
Manifest1ecaa0b09e338b8fe9910b31805523c058e3f0b1fe40b4bbf6f356388a4dbf9e

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
SignatureTcYGEdexi/3LrKX8I52LhKH4vEKqm/mpO0XNlLu/2XGe775t/2hEh/pkewABC6RW9CjXUFFkVJDD/tyIrvKDAQ==
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

2026-09-17T10:24:50.436365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071278
observed 4d10d1d5875c40a5ae058699e2f117d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.417527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071278/manifest.json
observed 1ecaa0b09e338b8fe9910b31805523c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.399043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071278/publication.md
observed c8cfac4f56bcf48be1c080ad8445f769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.380994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071278/publication.txt
observed 1f13324065d9b0bbe2f05450012d094e...
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.