OpenTechnical

OT-2026-000050498

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000050498) never changes.

Identity and time

Publication numberOT-2026-000050498 · never reused
Internal UUID01a0ae82-5c49-7be8-a073-3c439a16ff05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050498
StatusPUBLIC

Content hashes

Canonical text99ac45d38d59384a5c00caf69ac6c16c6054e0eb956c43a0b352e532ca97ba4b
Markdownb2fb6c8ff25edb7071df24e5865c76d2dff32e76251848f679def680d2505265
PDF
Publication page86c8741f072ad2ab0bf02493fa5696e8e9e76bf92e5db018c9abab115aaf938e
Manifestc8f0052e9a8cde50163bbfb0c6d5f863c38f6e1addfdbc493cf1839912d3b1c5

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
SignaturebssqPsqHZ9y2TQWkdGFZxx9QaVgv3UfmdZ3uLVWnEjnG5VyYpudFIyXSh8GppkgAM7XbcKE4hH9g5Wv+l1gIAg==
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

2026-09-17T11:01:33.288110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050498
observed 86c8741f072ad2ab0bf02493fa5696e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.272771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050498/manifest.json
observed c8f0052e9a8cde50163bbfb0c6d5f863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.256724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050498/publication.md
observed b2fb6c8ff25edb7071df24e5865c76d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.239189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050498/publication.txt
observed 99ac45d38d59384a5c00caf69ac6c16c...
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.