OpenTechnical

OT-2026-000088946

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum 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-2026-000088946) never changes.

Identity and time

Publication numberOT-2026-000088946 · never reused
Internal UUID01a0ae9b-8f11-70f0-ab07-875c91810877 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088946
StatusPUBLIC

Content hashes

Canonical textbe2a03e4edf3758ae3dc4b4ec70c53e78816e6b812ee5849c2339f16ecdb1d2f
Markdown011bcfc0b6d9be478bf2cc41a339e2b5a9420e7c3fd160e1a167cabc8d2b6f64
PDF
Publication pageb60348215973b5b1405a0317dc4cefa0cd60bbfb011900599328826b389217c5
Manifest240250aed32bbb87c3a6da75a7d6fccdf99277697a9f0f6ea03c037083de4efe

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
Signaturecpi5rZ9P1OPTX+RQOhZzYmkS1r2qqVYZNfVyPRW7uf6y6RUoPYtr88S+Sw53En9bW33SGbMAhi0pErmOD5NrBA==
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

2026-09-17T09:48:21.514953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088946
observed b60348215973b5b1405a0317dc4cefa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.498651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088946/manifest.json
observed 240250aed32bbb87c3a6da75a7d6fccd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.481130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088946/publication.md
observed 011bcfc0b6d9be478bf2cc41a339e2b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.464125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088946/publication.txt
observed be2a03e4edf3758ae3dc4b4ec70c53e7...
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.