OpenTechnical

OT-2026-000038247

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, supply line 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-2026-000038247) never changes.

Identity and time

Publication numberOT-2026-000038247 · never reused
Internal UUID01a0ae78-2d51-7d3a-b17f-08b042b3d751 · 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-2026-000038247
StatusPUBLIC

Content hashes

Canonical text0e722d65e15cf1932c9cca4590afbfdf3492b0b5047525d1e4178fe3712cfdda
Markdownfb3f79e155cd2a7ad8449b57ccd4fd332fe7fff2596d69d64facfd2b06c9bc0c
PDF
Publication pagea212e7263bcdc1ea28dbf99c4d43c76b2e7516583d5e169c4057a64fe8839490
Manifest5a3ae5cbe128a95ba8cf08ae98b99a1953d4b2f57a450237467307537c7cefa1

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
SignatureNmAERfv1seRn8pLKFh+U7soE1e181GC6W7bq5L6ihbSCyFtrEm22budCkNjVtwl+JBk64uLqc3ALiKHaTdpzCA==
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

2026-09-17T11:22:23.953767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038247
observed a212e7263bcdc1ea28dbf99c4d43c76b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:23.841416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038247/manifest.json
observed 5a3ae5cbe128a95ba8cf08ae98b99a19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:23.822438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038247/publication.md
observed fb3f79e155cd2a7ad8449b57ccd4fd33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:23.803344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038247/publication.txt
observed 0e722d65e15cf1932c9cca4590afbfdf...
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.