OpenTechnical

OT-2026-000019038

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000019038) never changes.

Identity and time

Publication numberOT-2026-000019038 · never reused
Internal UUID01a0ae6e-d523-7962-a9dd-519f182d3d2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019038
StatusPUBLIC

Content hashes

Canonical textde81623caf335e7d59b88005ca1573696f4f263a93c242a437a05a924193046c
Markdown474432fb545b453386b5fdca8ac4d8ac72199ddff59de74408e7dab32237c794
PDF
Publication page96ddb128786d7525f371318a396fd18570521935b161df23a6d8809ba055ad17
Manifest489e963d2c0b8fdb26ed2459f921893aa75ad963d1428f366e34b301ef4d25db

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
SignatureiVzDzXO3HraTqg8s7VPYfjE/SZLji6uY0nqmEZ8DfboO2nr/UgCO/5gQcy03ZjCzMb93VHOKI564DRa/lJf5CA==
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

2026-09-17T11:59:43.771217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019038
observed 96ddb128786d7525f371318a396fd185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.754234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019038/manifest.json
observed 489e963d2c0b8fdb26ed2459f921893a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.737207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019038/publication.md
observed 474432fb545b453386b5fdca8ac4d8ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.719552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019038/publication.txt
observed de81623caf335e7d59b88005ca157369...
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.