OpenTechnical

OT-2026-000084258

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after set-down

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-2026-000084258) never changes.

Identity and time

Publication numberOT-2026-000084258 · never reused
Internal UUID01a0ae98-5b60-7cbc-86aa-353d7392d565 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084258
StatusPUBLIC

Content hashes

Canonical textf8cd5ec3a94f48dc2099bb8c04289a01851082f99395e19536ec00297d40e245
Markdown88b03cec7df4f3da63756cad8c81ac2de51dfd1f20e198250b2dc3d51ed46f48
PDF
Publication pagef988fe5c426f01516b97fdf9034ea124917d932db082966414e397129d025f77
Manifest8fa6e0dcf0d25fb8b93d62affc23d070456f5df9169e54d85eec7a1a4ec3acc4

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
SignatureRjAQWxzuCEyQhJAaKyiB86ezPuQ1cBENkKF0wAec9xhcFYoFOt4D7NV8BPCEm7stZHmBjjOHZLMw6jI7ayHPCQ==
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

2026-09-17T09:56:10.242052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084258
observed f988fe5c426f01516b97fdf9034ea124...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:10.224731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084258/manifest.json
observed 8fa6e0dcf0d25fb8b93d62affc23d070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:10.208586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084258/publication.md
observed 88b03cec7df4f3da63756cad8c81ac2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:10.189595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084258/publication.txt
observed f8cd5ec3a94f48dc2099bb8c04289a01...
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.