OpenTechnical

OT-2026-000080866

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000080866) never changes.

Identity and time

Publication numberOT-2026-000080866 · never reused
Internal UUID01a0ae96-b974-79ad-959f-86439cfbbba3 · 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-2026-000080866
StatusPUBLIC

Content hashes

Canonical text28471b7f6aa788c4ed3f9d3b61c04d5a8afc8717e61939ee3aa0d2b2373949cd
Markdown398c9c01971beb86b84780a9e2d6882004e12936d348027b9144cd7b1266eb89
PDF
Publication page6998625494d41435a67d5ddeb47fb491d6df2ad01e8f16da91e8c61f269e0598
Manifeste21cb643b30b398267d81b62d9cfa5c962b0ef06cdeac613da691318aec7dd9e

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
SignatureZz5rnUf/l8yLxKGBbX+qCOAYyb7iys7RsJ0lbfw5/I21lKdbaiQeUMiLMXtFiyvDfq3Qw+Vm9jXI0E6pupIrBA==
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

2026-09-17T10:02:03.709196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080866
observed 6998625494d41435a67d5ddeb47fb491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:03.691430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080866/manifest.json
observed e21cb643b30b398267d81b62d9cfa5c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:03.675931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080866/publication.md
observed 398c9c01971beb86b84780a9e2d68820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:03.657663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080866/publication.txt
observed 28471b7f6aa788c4ed3f9d3b61c04d5a...
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.