OpenTechnical

OT-2026-000080313

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000080313) never changes.

Identity and time

Publication numberOT-2026-000080313 · never reused
Internal UUID01a0ae96-7e77-7b0b-bd5a-250696836737 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080313
StatusPUBLIC

Content hashes

Canonical textb654b3d685f5dd1fa81cd4d8b6f519594ea366a605beb509260e9e1751730e80
Markdowne436d7c70b59dcbaed8a4a19bae7986b7a87f487915cddb9397ade01bd0639ac
PDF
Publication page2e022510e2df028823c12aa7115bde6cecf3870aa1ef8e47ef0dbbcb2ff01346
Manifest035a66db419b909275163273cb04a554e6b8d0d48af2e1174dd8310b9dc29245

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
Signaturezj4GtqYqbJbew02t2nuxcNYKSl3eTizhja8JkF7I+KH19PJKpdicbS8M2LvByBkcgHIN+CPYKRGSEeT9ggvyCw==
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

2026-09-17T10:02:46.972019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080313
observed 2e022510e2df028823c12aa7115bde6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:46.953894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080313/manifest.json
observed 035a66db419b909275163273cb04a554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:46.934820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080313/publication.md
observed e436d7c70b59dcbaed8a4a19bae7986b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:46.915722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080313/publication.txt
observed b654b3d685f5dd1fa81cd4d8b6f51959...
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.