OpenTechnical

OT-2026-000080376

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000080376) never changes.

Identity and time

Publication numberOT-2026-000080376 · never reused
Internal UUID01a0ae96-7e77-7751-acc7-61bf92f740de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080376
StatusPUBLIC

Content hashes

Canonical text56908c9840d9e2536bc7c0879e0b77f75a2baa58b2b72b56a6f33411acfb05ef
Markdown6e3a8d27fb87caeb6df4105d6fb3c4e19bb8a7254b53ba3be73824c6f39f584b
PDF
Publication page6456cff14936734144458f7ab803a51c8db148fc6d103de14b290d49971ac88b
Manifest9955886161e2008c5654094ce6301ee3d53dc62fc66cdb933e9008a59b527ad2

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
Signature7/clueXh6hDAJEHZmS+MJWt7f5YbHYuCER+u3a/dmStosbvI/b535C7FBqH4acAmF5LXFbzYAbwJWAqbocmVDA==
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

2026-09-17T10:02:52.094686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080376
observed 6456cff14936734144458f7ab803a51c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:52.076236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080376/manifest.json
observed 9955886161e2008c5654094ce6301ee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:52.059207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080376/publication.md
observed 6e3a8d27fb87caeb6df4105d6fb3c4e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:52.040332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080376/publication.txt
observed 56908c9840d9e2536bc7c0879e0b77f7...
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.