OpenTechnical

OT-2026-000042986

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000042986) never changes.

Identity and time

Publication numberOT-2026-000042986 · never reused
Internal UUID01a0ae7b-3277-79ab-a98e-2d0a16abc95f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042986
StatusPUBLIC

Content hashes

Canonical texteec3f7fb24018811e0600b509f55ab3e6cf7d0bf53424c2cf303e36af8c557f7
Markdown758b4e5b5d46fd9408ce053baadd8283bf34b13a3b4388b1ccf86934b92a6132
PDF
Publication page2ca949c43349b06d5f9f9edcfb151d977858af22df8f4c67fbff0d5de387e7a8
Manifesteedd85ab60184a4dc59b423e0ace236cd46c6a5f4b009021857e10787bf0cfff

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
SignaturexSxV7o4D9kbhdNYrxvVksciOWmRAvCyyomSIjFQiSPHOoAsrc9I7C5d8ScF+7LjZQ7PwmfU0ayPBBaQ0zsQMCg==
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

2026-09-17T11:13:17.364366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042986
observed 2ca949c43349b06d5f9f9edcfb151d97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:17.345701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042986/manifest.json
observed eedd85ab60184a4dc59b423e0ace236c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:17.328625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042986/publication.md
observed 758b4e5b5d46fd9408ce053baadd8283...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:17.311216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042986/publication.txt
observed eec3f7fb24018811e0600b509f55ab3e...
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.