OpenTechnical

OT-2026-000080806

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000080806) never changes.

Identity and time

Publication numberOT-2026-000080806 · never reused
Internal UUID01a0ae96-b974-7191-b2d6-690656701794 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080806
StatusPUBLIC

Content hashes

Canonical text98ea4ea03ec44b0355af2b7304640f9357201522099086128c872d2f10bfb66b
Markdown83048035a99d3e39e7e3fe13b8128444dc370bf0f7ad345b9f8a25a20c8f5352
PDF
Publication page38dbbd22e89c63eb3ec347bcef1184d7b020ffbbc9a1f7cd3ce7b4998aaae583
Manifest0c9009d5556a1da37af2ba47ed00b0e85e1b7965e6edb9976b31736993f63072

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
SignatureVHQNaqV2MMsKOIqsZWYOtz97aEdZhCDr2sX7cxRkx1yR3tfg/J2MvhGvOYv8ROHyGXCiO6a0RRJ/pAiVAz0kAA==
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

2026-09-17T10:01:59.138100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080806
observed 38dbbd22e89c63eb3ec347bcef1184d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.118207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080806/manifest.json
observed 0c9009d5556a1da37af2ba47ed00b0e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.098637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080806/publication.md
observed 83048035a99d3e39e7e3fe13b8128444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.077798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080806/publication.txt
observed 98ea4ea03ec44b0355af2b7304640f93...
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.