OpenTechnical

OT-2026-000040255

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000040255) never changes.

Identity and time

Publication numberOT-2026-000040255 · never reused
Internal UUID01a0ae79-2700-7c7a-8234-4c6ad52699d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040255
StatusPUBLIC

Content hashes

Canonical text4b5233c73c311d43eb557ca45863b040336cef6a033fe057e84ea796b75f3bcd
Markdown07961e8c4788bc9cc2a41b71bb655a862384110ea11d1864b5fdea1358f48434
PDF
Publication page2fa38515672c49b01bc51783fb4d8d257be9f344685d2d7faf9d9dcbc84f139f
Manifest6c6ba0771034d945d96a5bee2ec0a75aa6479315dc61a3a591813f9d41c24790

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
SignatureBrN62CIJhsyXT4PDi3eHWI1Q5l0dG+CuaPxpL6NjTvDAsgd2bMKyLzuXBFWzw/Rez2m3LckxogDvXXDt2HnaAA==
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

2026-09-17T11:19:09.196639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040255
observed 2fa38515672c49b01bc51783fb4d8d25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:09.177675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040255/manifest.json
observed 6c6ba0771034d945d96a5bee2ec0a75a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:09.159736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040255/publication.md
observed 07961e8c4788bc9cc2a41b71bb655a86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:09.141766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040255/publication.txt
observed 4b5233c73c311d43eb557ca45863b040...
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.