OpenTechnical

OT-2026-000021422

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000021422) never changes.

Identity and time

Publication numberOT-2026-000021422 · never reused
Internal UUID01a0ae6f-865d-77b6-a9ae-2966a07a04e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021422
StatusPUBLIC

Content hashes

Canonical text5e1b5e6fe769df0560731f7bae3704b394551c260265ee953f34fe1c2297f312
Markdownb07ef669caef757862e87a9e3bbd7999d244a42e21cf56625bd9e5e683ba8213
PDF
Publication page2b322e2ac1525eaf402a67dfda404a90c5d02b2d6f4833645389699fadae69d8
Manifestbe07c246af81d4840c5d8c82d286faaa2cc7ac2753d7bae528e1e4fdf2c3651e

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
SignatureozXQsbKS03ofKrFbTR8dJE/wyqrQLxcT4BEuWcIKnYNEKYy+xZo1103XI9eYbGVJe0tCksCp0Q0WKWiDeg7uDw==
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

2026-09-17T11:55:19.389012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021422
observed 2b322e2ac1525eaf402a67dfda404a90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:19.368316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021422/manifest.json
observed be07c246af81d4840c5d8c82d286faaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:19.343942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021422/publication.md
observed b07ef669caef757862e87a9e3bbd7999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:19.323019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021422/publication.txt
observed 5e1b5e6fe769df0560731f7bae3704b3...
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.