OpenTechnical

OT-2026-000090608

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000090608) never changes.

Identity and time

Publication numberOT-2026-000090608 · never reused
Internal UUID01a0ae9c-7f2f-7b14-9e58-fa384c02f19c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090608
StatusPUBLIC

Content hashes

Canonical text82e5ea40632f6bd7f32889bc8a30aa992b64c890905c235415a81fddf23e7ce3
Markdown62525b98699c50c5414c2be7aec016a7945c5e452f3edf29591ebe8f9e5fb986
PDF
Publication pagea9c712e558bb2e6740fe93c76089deaf5aaef2f9903f845e0a08372b2e9991f1
Manifest25cce0176a08ddf9fcdf1b48cf038a000586d26f7120b76d63aaa56f8d5091a7

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
SignaturewE+6K64NZq6yO3l0bMFPe9pyg5IjWaJOlUK/L0T/jklZcC50AuwJrjMpntUQQI1f6nxKMezfoJRN+qbTn268Dg==
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

2026-09-17T09:44:47.816242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090608
observed a9c712e558bb2e6740fe93c76089deaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:47.795390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090608/manifest.json
observed 25cce0176a08ddf9fcdf1b48cf038a00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:47.776376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090608/publication.md
observed 62525b98699c50c5414c2be7aec016a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:47.757152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090608/publication.txt
observed 82e5ea40632f6bd7f32889bc8a30aa99...
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.