OpenTechnical

OT-2026-000090200

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000090200) never changes.

Identity and time

Publication numberOT-2026-000090200 · never reused
Internal UUID01a0ae9c-428f-761c-9ae5-e3fe262b0595 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090200
StatusPUBLIC

Content hashes

Canonical text305f4927e06d578306e7f268c736d6198cb35b8f8120073efd918ace5944324c
Markdown5e7813489781035444cf472b719fe6f31a7079eadeb78371da2201abeb573786
PDF
Publication page7ea2dfcb521099daa385c1e30132761a198802291fdeaf5ec27ec72e5e7f05fc
Manifest0bd386c6d4e8102075369f7b973f2393fe36fbc09e4e122b52403a74fdc2518a

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
SignaturehOQmfn5ZPHBlt9Ys7UTHxviBfqWOq7C8UFJBDCeRFFPdqMO9nOoiXrCVOmZCr2lwXT5bvhQY75gkpzSlX0pjAQ==
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

2026-09-17T09:46:16.419325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090200
observed 7ea2dfcb521099daa385c1e30132761a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.403167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090200/manifest.json
observed 0bd386c6d4e8102075369f7b973f2393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.384643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090200/publication.md
observed 5e7813489781035444cf472b719fe6f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.367382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090200/publication.txt
observed 305f4927e06d578306e7f268c736d619...
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.