OpenTechnical

OT-2026-000038626

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000038626) never changes.

Identity and time

Publication numberOT-2026-000038626 · never reused
Internal UUID01a0ae78-2d54-7dd0-81f9-a57fc97d8b85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038626
StatusPUBLIC

Content hashes

Canonical textdb810d864694d0d694d0ba85faa5414a484cbac07e60bcb72c2990cb8a602aa1
Markdownf4a9e898b1fa075743fe4e8a29d594ec8bce4a856d25a3a8e53ec209748948ae
PDF
Publication pagec9b6b13c0b4f5e7159a1424f4a0a5a11d211b4a26968964993579e81930e5dcd
Manifest6d420a34e80ab3ebb9afc9456d8fba881d2ca9bdeb01d8645143ffa46cc91f3f

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
SignaturevyeMhw4WYrMHW3E3gsMEHKYlsJgKKUUM5ka8w2vEt0RjuUIa+c5vspnIZ961aPs5/NV9Ig4QC676KkahCeKxCQ==
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

2026-09-17T11:22:55.319315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038626
observed c9b6b13c0b4f5e7159a1424f4a0a5a11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.301155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038626/manifest.json
observed 6d420a34e80ab3ebb9afc9456d8fba88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.278805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038626/publication.md
observed f4a9e898b1fa075743fe4e8a29d594ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.260603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038626/publication.txt
observed db810d864694d0d694d0ba85faa5414a...
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.