OpenTechnical

OT-2026-000038686

Publication integrity record

Six pad foam vacuum gripper, six 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-2026-000038686) never changes.

Identity and time

Publication numberOT-2026-000038686 · never reused
Internal UUID01a0ae78-769e-7324-ac5b-1edd220944f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038686
StatusPUBLIC

Content hashes

Canonical text95f87ec3e8106b050628d301d8491587509fbfdcd411b928c519944c5fa1f70b
Markdown70ea15c0d73660a1cfe721cae67b70c835e37d8df0420d9f1c0f3fabdd369c88
PDF
Publication page1166d077b15001ed0ebc3b843d9d6b70b800d01e53f23c28a7e9adfb5af7250b
Manifeste78ecf54c709cd0f13e633483f4ff01a88b4e92643013e80b6959329d387fa51

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
SignatureJVNDachCJBK0LeCElzQbtUCIQdt1yS6msaaxDmfHORitGcuL0EPqQUZY0aVbh1eUUYcxlCrb0MBlZn9js0ihCw==
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

2026-09-17T11:21:11.935515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038686
observed 1166d077b15001ed0ebc3b843d9d6b70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:11.915828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038686/manifest.json
observed e78ecf54c709cd0f13e633483f4ff01a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:11.897078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038686/publication.md
observed 70ea15c0d73660a1cfe721cae67b70c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:11.877906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038686/publication.txt
observed 95f87ec3e8106b050628d301d8491587...
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.