OpenTechnical

OT-2026-000025890

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000025890) never changes.

Identity and time

Publication numberOT-2026-000025890 · never reused
Internal UUID01a0ae71-a83e-7bdc-9ba8-bd396f71441e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025890
StatusPUBLIC

Content hashes

Canonical text73f91aec7003b693f5b365b541fff714a061ec9391cf8e85a04bc5ed0f0629c6
Markdownb97fe5be73111a387a19cd7e4185f42859f65aaf8ac3679a67d35b69ddc02819
PDF
Publication pagef800cdc1b191311fdee3cd2b28f66e3c11e7f397b4b6c98d3e3ed6152f070e72
Manifest3a3037dd534a2f8d7b87fac27ebaccf0b8b570d2faa8ddaa913dad16d3890111

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
SignaturekL/S7Ynr/NDiu37Z2Wea6xvLFMRiAJ6/yMrVOUklr9cAoBkXoEGT1kKuNM3AHZeKUEo8YdRSPGL6ru8PdSNsBw==
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

2026-09-17T11:46:13.925931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025890
observed f800cdc1b191311fdee3cd2b28f66e3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.908941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025890/manifest.json
observed 3a3037dd534a2f8d7b87fac27ebaccf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.893633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025890/publication.md
observed b97fe5be73111a387a19cd7e4185f428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.875895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025890/publication.txt
observed 73f91aec7003b693f5b365b541fff714...
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.