OpenTechnical

OT-2026-000081396

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000081396) never changes.

Identity and time

Publication numberOT-2026-000081396 · never reused
Internal UUID01a0ae96-f375-70b0-a22c-7a9cf313c5e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081396
StatusPUBLIC

Content hashes

Canonical texta754ca54cb1cf2f03ec38e34ea14abe5ee4c24788bf47dc1083d1278f1385cf0
Markdownd4b149487feb4d4f540a85bbc1299d9cbe8c8e2cd799e7d5e73adbc5e88fef65
PDF
Publication page73e97cde0ee76e987d7eadceeeb0c541d3329e38d239851f608cddb42c8e51ef
Manifest13fb2f90bf5809defe8858bf9b0e32da2a4eda593fa83961c042baf0a85e57de

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
SignatureC5P3A72EHODTd/2QpURDhfBbDL9zlIIx+Hncu8jARHqkQVTojlZhgpWU2+F3v/8jaByORrLKW56BUxLUR1kLBQ==
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

2026-09-17T10:01:32.367131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081396
observed 73e97cde0ee76e987d7eadceeeb0c541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:32.350131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081396/manifest.json
observed 13fb2f90bf5809defe8858bf9b0e32da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:32.332788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081396/publication.md
observed d4b149487feb4d4f540a85bbc1299d9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:32.315850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081396/publication.txt
observed a754ca54cb1cf2f03ec38e34ea14abe5...
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.