OpenTechnical

OT-2026-000026138

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000026138) never changes.

Identity and time

Publication numberOT-2026-000026138 · never reused
Internal UUID01a0ae71-a840-799f-980e-e6f1d49e8c16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026138
StatusPUBLIC

Content hashes

Canonical textf8debe94998161ba21c84f86854057f0171244ac33fb88b7316db1ca41556610
Markdown358d0e0412f4210c6e914e15e92410cf9b59453a065728a7a22158037e518820
PDF
Publication pagedf80249af3fcbc72eed9f120ad41a14803968441a5f42fd01f2669292a76bc65
Manifest395c2f4498f590307c859030d9e4863f67e8b5bccbfb9f07f78952ccfe8dea02

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
Signaturef0MwO8UelwqSk5M+o/6XuxnMfcM/OO8dSgyHWReREjh7Di6zY7qx7SikkqioNcXfmLdoohTmE+KAMX5r4i6QDg==
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

2026-09-17T11:46:38.711903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026138
observed df80249af3fcbc72eed9f120ad41a148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.695758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026138/manifest.json
observed 395c2f4498f590307c859030d9e4863f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.678811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026138/publication.md
observed 358d0e0412f4210c6e914e15e92410cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.662468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026138/publication.txt
observed f8debe94998161ba21c84f86854057f0...
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.