OpenTechnical

OT-2026-000068476

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000068476) never changes.

Identity and time

Publication numberOT-2026-000068476 · never reused
Internal UUID01a0ae90-2481-7b9e-b8c7-6ee1299b0149 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068476
StatusPUBLIC

Content hashes

Canonical text81e223d8c5cccb41b444bd79fd82a6431297d5407ca9270e62c479529bcdf860
Markdown4f1302e6ce87edfb84640ec93eb8aad206af9e22573a82f8a7857414b9ee4d15
PDF
Publication page744ec4008cc2f0acf7918e887d63f1d3a5d06e20c2d90d9e9c5c749b852b7e39
Manifeste7cfd0a721f0af71f7f253c4eeb0a59e6f5a11c3e836ac88fd4b433d46f82113

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
SignatureweTVcI2pMCcdAahUkdQBf4/6GKUXiOObKI/IX3oYBhXxE/UC1Xnb3uwUqE3F/HRW+se6f9/QS67lPnZeR0c2BA==
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

2026-09-17T10:29:37.641281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068476
observed 744ec4008cc2f0acf7918e887d63f1d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.624289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068476/manifest.json
observed e7cfd0a721f0af71f7f253c4eeb0a59e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.605845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068476/publication.md
observed 4f1302e6ce87edfb84640ec93eb8aad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.584444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068476/publication.txt
observed 81e223d8c5cccb41b444bd79fd82a643...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent