OpenTechnical

OT-2026-000095483

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, sustained blow-off before 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-2026-000095483) never changes.

Identity and time

Publication numberOT-2026-000095483 · never reused
Internal UUID01a0ae9f-8f73-787d-8e2a-8a432fcb180e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095483
StatusPUBLIC

Content hashes

Canonical textef0ac8ac2c97ecb51d8afa1329c1866d855d44b22a1e10af6eda75d335a294d0
Markdown4d820f4d0fb6db467f8e1492a9b71ab4e3e5081dbb07f71d0a10725fa2cb35ec
PDF
Publication page209723b10bb16553fa29e3f94648cb03ee1848ac7e2da108a6232d746bab4de9
Manifestb1cd538d4aff30f6d61e9ab6fe0fc590b78f409b814ffe429a01fd92a9298570

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
SignatureMb+21qUrEOOLkRI70Bvkxr2b/iTrAY/ep7SY3E1T53zNaW4RJIMsB2XsOCKvgImDRjmV/MQgPPpREAJ0FSzZDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:51.598335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095483
observed 209723b10bb16553fa29e3f94648cb03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:51.579889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095483/manifest.json
observed b1cd538d4aff30f6d61e9ab6fe0fc590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:51.561873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095483/publication.md
observed 4d820f4d0fb6db467f8e1492a9b71ab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:51.545485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095483/publication.txt
observed ef0ac8ac2c97ecb51d8afa1329c1866d...
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.