OpenTechnical

OT-2026-000079652

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, vented after 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-2026-000079652) never changes.

Identity and time

Publication numberOT-2026-000079652 · never reused
Internal UUID01a0ae96-0b93-7efb-844e-62e1e216880b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079652
StatusPUBLIC

Content hashes

Canonical textf7229eb3e7dc7cd6c0cad2d188fe344fef2c031c12924166d4b8d40681d1c52b
Markdowne39d9eeeb3e364e14c04befd2bdd3ccd68fab32449fb8d9e4c3cfe232728c8f6
PDF
Publication pageaf0931261ac794c0dc60f8e4e9a7945876e5573150aa1deeef01c76128dc029a
Manifest3d483416e4b6c889b13edbfb8e15888345247e38e1a1fd0e41e3f84f7c5105bb

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
SignaturezUvxfsISJtZaLTWJI8kvlDWwtckOLln6J+NqngZrhT+qa6p1PPhzBVGOLU3pEAMsLGvCEd8uF36fPkSjzXq8Bg==
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

2026-09-17T10:05:19.166145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079652
observed af0931261ac794c0dc60f8e4e9a79458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.148327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079652/manifest.json
observed 3d483416e4b6c889b13edbfb8e158883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.129653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079652/publication.md
observed e39d9eeeb3e364e14c04befd2bdd3ccd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.111901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079652/publication.txt
observed f7229eb3e7dc7cd6c0cad2d188fe344f...
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.