OpenTechnical

OT-2026-000085775

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, 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-2026-000085775) never changes.

Identity and time

Publication numberOT-2026-000085775 · never reused
Internal UUID01a0ae99-e829-7bad-9219-c38b4f643904 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085775
StatusPUBLIC

Content hashes

Canonical text7997b264167796a559fc4971ae0fa8272091d2b3ae04caa0653f4c3cb4b121c0
Markdown90ab3481ecccaf9e0a72c0a7adb079aaa6f0dbf4c96ba731d499e4d30f996912
PDF
Publication page3efdbf8c050d69c8e4c50e0363db56d1732088cc25f907d27981870102317341
Manifest8c5a211ac21dd3e99ec6f4e08b000ba85c9b8949074fc421b620f07a4c1a9c61

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
SignaturedluoJ4XPFo0wvpooTJaTmX4hjJYu+CpGYAiV3+33689chMgDEFJYF9UFbEwoPcSRDJK6tx2NPiwbXXdhuvNNBA==
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

2026-09-17T09:52:40.100332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085775
observed 3efdbf8c050d69c8e4c50e0363db56d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:40.083625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085775/manifest.json
observed 8c5a211ac21dd3e99ec6f4e08b000ba8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:40.066322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085775/publication.md
observed 90ab3481ecccaf9e0a72c0a7adb079aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:40.049017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085775/publication.txt
observed 7997b264167796a559fc4971ae0fa827...
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.