OpenTechnical

OT-2026-000066850

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000066850) never changes.

Identity and time

Publication numberOT-2026-000066850 · never reused
Internal UUID01a0ae8e-ce43-72b1-9a05-cf215aad9c11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066850
StatusPUBLIC

Content hashes

Canonical textf4885804c6704e3f3b3fe6efb051ed798ed517a76d9752670b9d102b4fa33ccd
Markdownd32a8986856d2bd674b9a6e16da30840741fde17f8c9048743ac4523db8440bf
PDF
Publication page11b1e052cc0cb6a0336c92a1080288a4352528a12cf95869090b0e76054d1930
Manifestb542faf2bde41585b6a86737fafe3b0a2642bea94c77dfa40f33e5118a782793

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
Signature+XxxHP5FKBonlnthwNyh8kJMokaYqqUcTgTZrsT4mEMK+/M4FKTd4bQCpX9rYUw5N+an5N/yL8imasy4ViVdDA==
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

2026-09-17T10:33:17.399447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066850
observed 11b1e052cc0cb6a0336c92a1080288a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:17.379958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066850/manifest.json
observed b542faf2bde41585b6a86737fafe3b0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:17.363566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066850/publication.md
observed d32a8986856d2bd674b9a6e16da30840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:17.346281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066850/publication.txt
observed f4885804c6704e3f3b3fe6efb051ed79...
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.