OpenTechnical

OT-2026-000037424

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000037424) never changes.

Identity and time

Publication numberOT-2026-000037424 · never reused
Internal UUID01a0ae77-b8cd-7290-8a64-52822086d9bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037424
StatusPUBLIC

Content hashes

Canonical textf8b070f90a16af2c274aab74a145b07b16c0560d763be78bf64b3cad5f14693c
Markdown0768b015562191ba011f3380ec5d54596a4e8e16a760daf86a40d9dcd2639fe0
PDF
Publication page9b24fb967418d1d11f2faac50e3886fd9f502a56d62cd7c755fe3504cd9074d6
Manifest252582678beb13dbeee0b2b97ee917884aa2c3dd3cff8de8cd4f48f45474483b

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
SignaturevwG1IYjbEtkKfyD53DH2N9XY5GRvpWazcNZrJAXOw8UkGxTk7jMcRqTbkctSwsuQ3t3b0M1SildsK+n6DfzNBw==
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

2026-09-17T11:23:51.453793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037424
observed 9b24fb967418d1d11f2faac50e3886fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:51.433837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037424/manifest.json
observed 252582678beb13dbeee0b2b97ee91788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:51.414753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037424/publication.md
observed 0768b015562191ba011f3380ec5d5459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:51.395794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037424/publication.txt
observed f8b070f90a16af2c274aab74a145b07b...
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.