OpenTechnical

OT-2026-000035990

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000035990) never changes.

Identity and time

Publication numberOT-2026-000035990 · never reused
Internal UUID01a0ae77-01cd-7333-b17c-ea69c7e11fd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035990
StatusPUBLIC

Content hashes

Canonical textd048d846f8d9c935fc90b513f294b1d76b3a75b6a215a9a383f7a6360127bbb6
Markdown6dfee64bd730023c8a3334db02bbcd61b0fd63aa48b0e5908f11790901bfa5e6
PDF
Publication page9985c00d795843fc046c89cd73567fbeccc1e167918c95bfc493b5ba2682d1e7
Manifestf617cc9a3270e907b9a66f69527e07c3ba6d2932dca30f49df695ed7c82bb18f

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
SignaturevAvudGS3/0TbbuyFPC0U5zxJvz8aV0zcs8prWyqCr2hJGh5/MbTKWLPL30o/WsckKzKdFf38KcasBuZRsfO5CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:26:08.918078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035990
observed 9985c00d795843fc046c89cd73567fbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.901411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035990/manifest.json
observed f617cc9a3270e907b9a66f69527e07c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.882358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035990/publication.md
observed 6dfee64bd730023c8a3334db02bbcd61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.864728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035990/publication.txt
observed d048d846f8d9c935fc90b513f294b1d7...
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.