OpenTechnical

OT-2026-000038553

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line 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-2026-000038553) never changes.

Identity and time

Publication numberOT-2026-000038553 · never reused
Internal UUID01a0ae78-2d54-74c9-9d63-0e51032739a7 · 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-2026-000038553
StatusPUBLIC

Content hashes

Canonical text1b96a35419c367b08274432fd9a6e3ce425467cdda7d4bc3869ddad22dae0332
Markdown1b39e8c607e47e55f178f86b8c20a7478ffabe4e0d1d923f6d6183aed5379054
PDF
Publication pagec5bb8883ec1f119c0ca9e84851c006537b10f3b28c8e7c3421ceac8cde91017c
Manifest7a70e99f772f375b64d16cd483bc170f6d407c55f0083e434021cc9d2553e83b

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
Signatureyq4IhSBBfluXxzT+2eggkr4letwtKcPASiJmQcqn0ch/NBIqba7eujXVKZ54WL8sDyO1DKNibBAwIgtOyDDPAA==
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

2026-09-17T11:22:49.030449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038553
observed c5bb8883ec1f119c0ca9e84851c00653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:49.012842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038553/manifest.json
observed 7a70e99f772f375b64d16cd483bc170f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:48.993832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038553/publication.md
observed 1b39e8c607e47e55f178f86b8c20a747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:48.975876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038553/publication.txt
observed 1b96a35419c367b08274432fd9a6e3ce...
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.