OpenTechnical

OT-2026-000038349

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000038349) never changes.

Identity and time

Publication numberOT-2026-000038349 · never reused
Internal UUID01a0ae78-2d52-761d-9ad0-b6ca6d7be45e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038349
StatusPUBLIC

Content hashes

Canonical text211c521b6d5a915dc6b4a0a44bc9165045a2397d1a4e2b74cfa487c309f3b280
Markdown085881ec4a10676babe4cdf59d57289a999b9338ec06fb916f2b55c6951b4fea
PDF
Publication page9d8243c71f3dcde6b5505d7c5ebb88a95b30df2cf5ac479ad790a307748d8802
Manifest426dacea938d86fc550f7f91da8055d2a9bb8cff7953aa3b6bf50cde3efe4dad

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
SignaturePd7AnhNEanNXpMgyPT5iY1ca+GjpaW+Bx1W16KU1ZmASHA1VoKJiXsm+V7YwLSgGgtesEOyoyI9h5cUeH/z/Aw==
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

2026-09-17T11:22:32.197707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038349
observed 9d8243c71f3dcde6b5505d7c5ebb88a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:32.180758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038349/manifest.json
observed 426dacea938d86fc550f7f91da8055d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:32.164066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038349/publication.md
observed 085881ec4a10676babe4cdf59d57289a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:32.145885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038349/publication.txt
observed 211c521b6d5a915dc6b4a0a44bc91650...
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.