OpenTechnical

OT-2026-000090345

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, 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-2026-000090345) never changes.

Identity and time

Publication numberOT-2026-000090345 · never reused
Internal UUID01a0ae9c-7f2d-70ea-b98d-f8f4b09af37d · 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-2026-000090345
StatusPUBLIC

Content hashes

Canonical text66d053eabc5c7ae611c9dcc3cad15fe6a96eb735b3af581d45176ed03679408d
Markdown5d981dd0eb7e1a95297d1c8fc7076b29ee69476cd0d21d987fe4c958ddd89cce
PDF
Publication page0d5066251180072508f6196a0d76b8e6bc8b418432eac29f0ce588d27d712a0a
Manifesta5d5264a52a4acd21cb5e599b5dfc0dbde1e36111ef3d89f60c4f9177cbe8578

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
Signatureu0Fl6rndTze5o956EfAXE7E9osDOiT9ddmDOSJy4ExMaGX9dis5peQFaA5+mmyMBP9h4NcsAecwK+bukeucfBw==
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

2026-09-17T09:44:26.393514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090345
observed 0d5066251180072508f6196a0d76b8e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:26.376143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090345/manifest.json
observed a5d5264a52a4acd21cb5e599b5dfc0db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:26.357862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090345/publication.md
observed 5d981dd0eb7e1a95297d1c8fc7076b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:26.339266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090345/publication.txt
observed 66d053eabc5c7ae611c9dcc3cad15fe6...
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.