OpenTechnical

OT-2026-000091606

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000091606) never changes.

Identity and time

Publication numberOT-2026-000091606 · never reused
Internal UUID01a0ae9d-43b8-7a3a-8580-c683a6609362 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091606
StatusPUBLIC

Content hashes

Canonical text4deec511abc134dbdbb3c153942c31837ef5d5cc32db2e437005aad4681d51fc
Markdown8a18eca528ee3a8ee1afdde3fd9fb82bf6b8c6af9294d8b1798222f42ae01506
PDF
Publication page83d2c79b3d440f88873a46f8eb2807dfe7e90b355ac56687a5eb3f9b98adbb9f
Manifesta007e331b8804a4366213b92d7d0947c00d54aaee273e9861e5f7f6167a98808

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
Signature8Etnn88N1hH6Fck9LyeEaLVhNSTJ36sFD6aox96ox0+PJOYOtEz3Xb8v0RuHSi1CXu0G406YVvKF8111f0R1CA==
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

2026-09-17T09:41:57.702494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091606
observed 83d2c79b3d440f88873a46f8eb2807df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.685605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091606/manifest.json
observed a007e331b8804a4366213b92d7d0947c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.667216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091606/publication.md
observed 8a18eca528ee3a8ee1afdde3fd9fb82b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.649393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091606/publication.txt
observed 4deec511abc134dbdbb3c153942c3183...
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.