OpenTechnical

OT-2026-000070069

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000070069) never changes.

Identity and time

Publication numberOT-2026-000070069 · never reused
Internal UUID01a0ae91-1861-7a44-9b39-6a118f8483b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070069
StatusPUBLIC

Content hashes

Canonical text3d03824d9954988ef2980fa77ffb26a244806ae401731bdbd3f50f64b0493225
Markdown1b49507ac57bfc9e5b0eed49baedb76538eee144aa78331dde2040b931275fb5
PDF
Publication page40473bd0148cb3db23fab8178e7858ad577bf91d3cd9ae29ee684bfab26273ea
Manifest71772c989111f25ecbb1a21e9947f3e7622c21a17c4b485afe96df58104b6606

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
SignatureJ4TvexhNTuwwQHOPTw3gsukxrvFV30fA/QwtnK/7nbok4ugKn77m9sDar8W8Vb8/ZNbfpiBb8mJLuqF30PfZDQ==
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

2026-09-17T10:27:01.811834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070069
observed 40473bd0148cb3db23fab8178e7858ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:01.794105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070069/manifest.json
observed 71772c989111f25ecbb1a21e9947f3e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:01.775545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070069/publication.md
observed 1b49507ac57bfc9e5b0eed49baedb765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:01.755423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070069/publication.txt
observed 3d03824d9954988ef2980fa77ffb26a2...
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.