OpenTechnical

OT-2026-000022178

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000022178) never changes.

Identity and time

Publication numberOT-2026-000022178 · never reused
Internal UUID01a0ae6f-f4fc-7423-b82e-b08691598b23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022178
StatusPUBLIC

Content hashes

Canonical text24025a80f46651c3222e70010a2936831296f906bb60ab3fb09c34fc79b1a9f5
Markdown7d70428fdaf7e8a147d32a8f82a299f0e60000cee5b8bcd6de494af16d177700
PDF
Publication page89ee408a8f0b806e549992920bfd71cc3052c5a84a7a78f631a684069b7142ee
Manifest0d560120e7f52c128ff3b6d54073ea1127a4faf1628eeddd52897f211611d7fa

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
Signature7p7w7f+H+OHXdxx7p5F/vwwK2EmIPznhQON/yii+iOohJHJ0d6GHijBd/lQgad/wJ3BCJikPG5t86FgcArfUDw==
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

2026-09-17T11:52:51.552840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022178
observed 89ee408a8f0b806e549992920bfd71cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:51.532680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022178/manifest.json
observed 0d560120e7f52c128ff3b6d54073ea11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:51.510828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022178/publication.md
observed 7d70428fdaf7e8a147d32a8f82a299f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:51.490872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022178/publication.txt
observed 24025a80f46651c3222e70010a293683...
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.