OpenTechnical

OT-2026-000022422

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000022422) never changes.

Identity and time

Publication numberOT-2026-000022422 · never reused
Internal UUID01a0ae6f-f4fd-79d1-8180-dbaed3b3573d · 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-2026-000022422
StatusPUBLIC

Content hashes

Canonical text2628b29c079be1950988fed68dfbae4ac9afab4c8eaeeabfd48f04fc83e4c415
Markdown3d644b7f8ee446e788cf4f04a96b8bdf68b40901a6371159f9978b22a94698f5
PDF
Publication pagefd26731e9506893120e0ac86ccc70935c8bd0a2d8f8ddbc32c3aa91f1c001fe0
Manifest49c14af3a4cea6925a6fb45ab808e4ab8308d9807dd5e2f1093281540d79e4dd

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
SignatureJx+NNXw3sYvS6KuDaaGALove5DxrYhXOgvMg+bfUdUKgrptDBR+gwBevYfN2Z5Pjg9rh/dB5JhRFSDu4/DWIAg==
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

2026-09-17T11:53:48.707791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022422
observed fd26731e9506893120e0ac86ccc70935...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.689977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022422/manifest.json
observed 49c14af3a4cea6925a6fb45ab808e4ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.673461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022422/publication.md
observed 3d644b7f8ee446e788cf4f04a96b8bdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.656952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022422/publication.txt
observed 2628b29c079be1950988fed68dfbae4a...
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.