OpenTechnical

OT-2026-000076842

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000076842) never changes.

Identity and time

Publication numberOT-2026-000076842 · never reused
Internal UUID01a0ae94-b070-7c4b-b44f-a3dd547658a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076842
StatusPUBLIC

Content hashes

Canonical text51fe90bbd27db36774ecd6b8b2f1b70eef4d2ced13e2ad89f9ddd10bb3fae8cc
Markdownfd7a0d98b168ac2e8db0f525070895089bd9a699849d3168fc28a3bb6df4f08f
PDF
Publication pagef0fe6f56e066b36e6f8bb229329732df08cb430b3f862ff839eeb74d0588552f
Manifest9241d18fcbef55329019614b5400af1e7f5270413a8e3e7475e7f011c879673c

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
Signaturev4xiNRH3l+uVncAGOrQA/Du3PZlTYzlLdEoZftT3t+QY4piObywon1uclyoqinyrNaenmoi5KcIkzTkD914YAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:09:43.652634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076842
observed f0fe6f56e066b36e6f8bb229329732df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:43.634630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076842/manifest.json
observed 9241d18fcbef55329019614b5400af1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:43.616189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076842/publication.md
observed fd7a0d98b168ac2e8db0f52507089508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:43.599146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076842/publication.txt
observed 51fe90bbd27db36774ecd6b8b2f1b70e...
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.