OpenTechnical

OT-2026-000080188

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000080188) never changes.

Identity and time

Publication numberOT-2026-000080188 · never reused
Internal UUID01a0ae96-7e76-7c2d-b181-6f98b9ab1240 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080188
StatusPUBLIC

Content hashes

Canonical textdf8584affa39cda2003963923770520257f30c13e428d05fd3156b9301076e1b
Markdown868715847050d210d2ddf9b050cb6bdfda4b94d71322f98f27307e69a8b6058f
PDF
Publication page7a86ea106f74ef10b712e8821e960604bb59667aed56b948734f00787c29356b
Manifest418b9387f2576b0581bfef594bb04390cd4aa5689e27b48f7f59a87bd1d17a97

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
SignatureBqMAp/97EG8D3ujwk8cifNa+8ahnuliuf2xwLeaQfPwEZFybhEmyI23qgDChVRKRJD2sXpVTMt8HWbtvA73XDQ==
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

2026-09-17T10:02:37.755091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080188
observed 7a86ea106f74ef10b712e8821e960604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.734656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080188/manifest.json
observed 418b9387f2576b0581bfef594bb04390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.717389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080188/publication.md
observed 868715847050d210d2ddf9b050cb6bdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.700552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080188/publication.txt
observed df8584affa39cda20039639237705202...
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.