OpenTechnical

OT-2026-000010091

Publication integrity record

Foam pad vacuum gripper, 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-2026-000010091) never changes.

Identity and time

Publication numberOT-2026-000010091 · never reused
Internal UUID01a0ae6b-cb7a-7a1f-9307-b2baca24b31e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010091
StatusPUBLIC

Content hashes

Canonical text033bd44bd39212361b3c234f96134c516004bb66b259f9e8c9621e8a8d2d9367
Markdownfa82caf0600a5266e12d094f26926ab10f02b899a1c37fddf7a40be64d23880e
PDF
Publication page03f7cbc4f9a9f7beb414ce2ea4dfe723f98440d9d62f00ee77adaea6400f9d82
Manifestae0bf4397e15671ff3184e9b2ce70e7b57f535965dcc42f8045ad2aa98155867

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
SignaturebMgJXOrRskB86OBof2DKpt8KaiPzAy2rIjaoJSE5Yf11S3P4PcivEhTTRgARHQ9iY1mGwtIc+j7HMZa1bBlPDw==
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

2026-09-17T12:16:10.586148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010091
observed 03f7cbc4f9a9f7beb414ce2ea4dfe723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:10.566116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010091/manifest.json
observed ae0bf4397e15671ff3184e9b2ce70e7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:10.547699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010091/publication.md
observed fa82caf0600a5266e12d094f26926ab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:10.529084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010091/publication.txt
observed 033bd44bd39212361b3c234f96134c51...
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.