OpenTechnical

OT-2026-000031214

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000031214) never changes.

Identity and time

Publication numberOT-2026-000031214 · never reused
Internal UUID01a0ae74-87ab-7c47-9203-f301154fb81e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031214
StatusPUBLIC

Content hashes

Canonical text0734c9c8203f30de6bf520907e864bdc5490744570764adebe195e804d50a285
Markdown9ec6c1cb1864ca98912c32827011e64f321aefaa0f9109c253fe3269c5e06919
PDF
Publication pagef6d1b4595591c73a3dcae4282f959670462460224e0a5e7751dd1f6e155ed3bc
Manifestc1acd28f94af8a75b240a54f38969840f878f1866fc91709e65b130c1fb38bae

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
SignatureAMofmiWlWSei1Uxo9o6yA/Eq3EzFDK0HQY/j2A8/t765pIIf/jOwAKajC7RizpHQ7Ac43nvFt6KKAvOyCg8yDg==
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

2026-09-17T11:35:46.762698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031214
observed f6d1b4595591c73a3dcae4282f959670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:46.744611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031214/manifest.json
observed c1acd28f94af8a75b240a54f38969840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:46.727814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031214/publication.md
observed 9ec6c1cb1864ca98912c32827011e64f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:46.709985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031214/publication.txt
observed 0734c9c8203f30de6bf520907e864bdc...
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.