OpenTechnical

OT-2026-000019866

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000019866) never changes.

Identity and time

Publication numberOT-2026-000019866 · never reused
Internal UUID01a0ae6f-1fb6-7825-957b-390b22ceadad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019866
StatusPUBLIC

Content hashes

Canonical text0dc1613bad704733b9644627f90997cddceac6a617da757957da6d5d2fe6cac1
Markdowndd98faee44dd9cf97f7a49d768550a18dafb1ae9d24620a3b8aa3cc85a1c401b
PDF
Publication pagef058c272932d4dcc19facf16ae7011641449f779cae6ffc32ea373d296b5dd38
Manifest0715fa32cb17d18c427ff610e6bd1c993a83de08b9de5b770d5d5748bb2c2017

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
SignatureoGLn7XEgbC2d2Q237RblaDLLpRuod/e5BmTMjiQHxM/KTdCXxg4GMLQSqSdAdqjlFJVKh6Xd+Zwv8B0tOxIBCA==
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

2026-09-17T11:58:03.974874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019866
observed f058c272932d4dcc19facf16ae701164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:03.956428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019866/manifest.json
observed 0715fa32cb17d18c427ff610e6bd1c99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:03.938186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019866/publication.md
observed dd98faee44dd9cf97f7a49d768550a18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:03.920448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019866/publication.txt
observed 0dc1613bad704733b9644627f90997cd...
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.