OpenTechnical

OT-2026-000080918

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000080918) never changes.

Identity and time

Publication numberOT-2026-000080918 · never reused
Internal UUID01a0ae96-b975-75a9-a17c-03722618db5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080918
StatusPUBLIC

Content hashes

Canonical text9f4ca3fce073867c53ad78c9c6540ba52ccb09be61ee6b0247155203fda751e4
Markdown50fa2877280420acdb50292feafab7be5120aec3d8102c96a1ef719876c8a313
PDF
Publication page2d02fc2c293a1a9ad137f9ce5ca34fe7f4d142b947bfad015a7084fa7f8df6b6
Manifestd6f5e2af6eff14d8349dae3bb163027306789b5df4a0b68907880d170cfb7be2

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
Signature15ZWrwrS6FfUgod3DCB5FCTrTktm1ZCKTlG+oV8rH6E9P0sy3vTMv6mdvRNhO/rd3hkzpSUpIZZMBvIG1JIuAA==
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

2026-09-17T10:02:07.240260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080918
observed 2d02fc2c293a1a9ad137f9ce5ca34fe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:07.224239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080918/manifest.json
observed d6f5e2af6eff14d8349dae3bb1630273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:07.207838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080918/publication.md
observed 50fa2877280420acdb50292feafab7be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:07.190897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080918/publication.txt
observed 9f4ca3fce073867c53ad78c9c6540ba5...
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.