OpenTechnical

OT-2026-000086120

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000086120) never changes.

Identity and time

Publication numberOT-2026-000086120 · never reused
Internal UUID01a0ae99-e82b-7596-9620-f9c0b24dbf9e · 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-2026-000086120
StatusPUBLIC

Content hashes

Canonical text77966f6e5357c17e3daab91d76a08dce1b2864f772f2d41b08d8bf77d09e3db6
Markdown598f17e12b971d5ebe3560ce2da606dbfab3bb82688a370732f096b24fe5f364
PDF
Publication page3d70853ccc2ab7b3e431ad25873491512338e3dff3c3374053be089e62393171
Manifest638cfb9d45bacd5fefc614cb32ce0448ed9eed252f58ad9d29bf7c67b6b46969

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
Signature4vBfPvqBdeJILXE9u+oFyrLIZHX/YEtq7ZMupwCBfbvr/4wxtLo3KzmESK6abjwN55Aam0RSrei9zyChE+taBg==
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

2026-09-17T09:53:46.613834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086120
observed 3d70853ccc2ab7b3e431ad2587349151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:46.595285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086120/manifest.json
observed 638cfb9d45bacd5fefc614cb32ce0448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:46.577195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086120/publication.md
observed 598f17e12b971d5ebe3560ce2da606db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:46.559429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086120/publication.txt
observed 77966f6e5357c17e3daab91d76a08dce...
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.