OpenTechnical

OT-2026-000078201

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000078201) never changes.

Identity and time

Publication numberOT-2026-000078201 · never reused
Internal UUID01a0ae95-7c26-7aad-b732-a73ce9de446e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078201
StatusPUBLIC

Content hashes

Canonical texte3b438fb314b378f52dbcc8ef0f9fda44736669a68284bc415b019dc3565a81a
Markdowna4936d28fb7145c81a5c9e362f4695cf6caebc5e48159ad031ebb6b088549456
PDF
Publication pagea2af89cad8a9f8d39fb1c66436e0da3a607dbe0e7545c5aaa09a616cf4f548bd
Manifest77a51855fd0082b81102c59b70245e52c88f308be7c0567bf184f55d487b5c02

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
Signatureq6U4PEIsomCUsCCZPvktYXinVjpOc3OBAb/39Y/wJldgmZy3CuFiVlUivp+skR9Wus2p401lIzxg7+4I0XUfBA==
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

2026-09-17T10:06:08.853098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078201
observed a2af89cad8a9f8d39fb1c66436e0da3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:08.833892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078201/manifest.json
observed 77a51855fd0082b81102c59b70245e52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:08.814997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078201/publication.md
observed a4936d28fb7145c81a5c9e362f4695cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:08.796972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078201/publication.txt
observed e3b438fb314b378f52dbcc8ef0f9fda4...
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.