OpenTechnical

OT-2026-000080202

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000080202) never changes.

Identity and time

Publication numberOT-2026-000080202 · never reused
Internal UUID01a0ae96-7e76-73e5-b16f-da46b9c34789 · 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-2026-000080202
StatusPUBLIC

Content hashes

Canonical textc0b2ce73e42d62cbfd07ae2ff97a80739e0a53934885f6539dd795e630e81aeb
Markdown48fc68b9e589cf5d90b5df25edab37da747a686c66deb7f4bf403c8766b5e742
PDF
Publication pagebc5a51cc0cfe3d374adeb08d59eb66d1b0a5b742bd6e1e816dc60cda9e59bb03
Manifestcfa04d42f3a7bcb194cb995c118ca2ebd0304bb906ac5e75648bf3d8a18b7d33

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
SignatureCde5D3Pn1Fq2f0J5TEuuNeiM6cwdAwDUMnlHqy/wbl1fPsFRZSquzqkAVC32Lpk2WQK3MBmP6z/HxOq9GltxCw==
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

2026-09-17T10:02:38.899377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080202
observed bc5a51cc0cfe3d374adeb08d59eb66d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:38.879682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080202/manifest.json
observed cfa04d42f3a7bcb194cb995c118ca2eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:38.860241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080202/publication.md
observed 48fc68b9e589cf5d90b5df25edab37da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:38.840303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080202/publication.txt
observed c0b2ce73e42d62cbfd07ae2ff97a8073...
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.