OpenTechnical

OT-2026-000067482

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, vented 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-2026-000067482) never changes.

Identity and time

Publication numberOT-2026-000067482 · never reused
Internal UUID01a0ae8f-6bd9-7095-96ca-2e07d77e39c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067482
StatusPUBLIC

Content hashes

Canonical textb858b21f3621dfcddb220d498c45cc95f0f9758562b154d15fee24aefe7b4ddf
Markdowna7774768bd3148bdf9163aa93b8e982e334bb0af379f45fd93dfa539b443bea7
PDF
Publication pagece501237f63914a389d7fe815b68f589a5a079de268b1bb2fa1f5922909e1d16
Manifest0e57d826faa9a36f9465717f9a31ae596e0ea22b028bf93093c80ffdeb81afb7

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
SignatureLbxk6sJyVWThRFBN+L94ML7YSaqovvhPVagUBHT/7G3uUHsEeLTacHpiG7QGeMNybPd6bKNNZDrKGCu7A6rDCA==
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

2026-09-17T10:31:46.148766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067482
observed ce501237f63914a389d7fe815b68f589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:41.570538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067482/manifest.json
observed 0e57d826faa9a36f9465717f9a31ae59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:41.553009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067482/publication.md
observed a7774768bd3148bdf9163aa93b8e982e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:41.535127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067482/publication.txt
observed b858b21f3621dfcddb220d498c45cc95...
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.