OpenTechnical

OT-2026-000065985

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000065985) never changes.

Identity and time

Publication numberOT-2026-000065985 · never reused
Internal UUID01a0ae8e-8dc2-73bd-b460-dc352902f843 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065985
StatusPUBLIC

Content hashes

Canonical text97c45e2441c28e45bd5448ec6e21e0cea66cb730cfa3bd0ca0321cf74212eac1
Markdowneddd361195edf04262d833e2721cd38dc6a2ebd70528ed0476e463164d7f128d
PDF
Publication page14bcd33b17eb3b27a6cb9792169e1aad9b3501bcb7777c3df1f85526ac203f84
Manifest781adde00313c5f36078ea5d0ea801e0ceede45f18224251523cab35fbc9a8e6

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
SignatureBjDcWoLryTPMQvFpVbxwbQzUcigAzTZOXSuNgru+HUQcY+JKiW8gvCMT1He710VYoubKVWfA1869eflt/se5BQ==
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

2026-09-17T08:50:29.015888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065985
observed 14bcd33b17eb3b27a6cb9792169e1aad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:28.998816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065985/manifest.json
observed 781adde00313c5f36078ea5d0ea801e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:28.979543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065985/publication.md
observed eddd361195edf04262d833e2721cd38d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:28.834219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065985/publication.txt
observed 97c45e2441c28e45bd5448ec6e21e0ce...
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.