OpenTechnical

OT-2026-000026238

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000026238) never changes.

Identity and time

Publication numberOT-2026-000026238 · never reused
Internal UUID01a0ae71-a841-7b35-810d-70e6012a2fe5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026238
StatusPUBLIC

Content hashes

Canonical textfddf52389defb5fa59b9f68a843b98a0963b577cbb596a818b08a42e169234c6
Markdownf6534e0b4ee44bf652ac1b8c1ec37f73b50cf0b6581a5c3d6110d8d88146fc7c
PDF
Publication page87e96cd4284756cc42b0fd76d87d70aafc2dafebdaa6a31484878fa3dbbf07f9
Manifest4270d2bb5a04d1cf2c2a52e75a0f878312e53a985bdc54e400053c661c5f0470

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
Signature8UWyQ1dxxVe/2aLQoKefPn6R77fFmwi3qHSp69uiWFRUmzXMmnbMala5XGmWveBEqEce/5J4jkUvaJ+NTsLEAA==
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

2026-09-17T11:46:46.332535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026238
observed 87e96cd4284756cc42b0fd76d87d70aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:46.315405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026238/manifest.json
observed 4270d2bb5a04d1cf2c2a52e75a0f8783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:46.296973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026238/publication.md
observed f6534e0b4ee44bf652ac1b8c1ec37f73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:46.278658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026238/publication.txt
observed fddf52389defb5fa59b9f68a843b98a0...
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.