OpenTechnical

OT-2026-000084689

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum 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-2026-000084689) never changes.

Identity and time

Publication numberOT-2026-000084689 · never reused
Internal UUID01a0ae98-e25d-79df-af3a-433dd91117ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084689
StatusPUBLIC

Content hashes

Canonical text5cf50a42b47e4f559ea468823372ad2f185e1c74d38b6f6994957f594f95db91
Markdown57dca6399dd8d249c688f73f1ad65384e5bad970b1840128e24f84cd819329b4
PDF
Publication pageef642935c870d493e6b8b8a58eac3bbf0fa522d184ce3696750ca8de6a1f1cfe
Manifest98b35a00f3698096ad664fbcd89c1e3951fb092e63193b69160020e7173299d9

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
SignatureYCLg/4dos6luWWRef/RICOioV5NZJT2dDXx17gx/Wx2CjrGBQ70jccSIDAPe3dSrrZUPUvpPEBskaRbhdEoYAw==
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

2026-09-17T09:55:37.162316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084689
observed ef642935c870d493e6b8b8a58eac3bbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:37.144917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084689/manifest.json
observed 98b35a00f3698096ad664fbcd89c1e39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:37.125048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084689/publication.md
observed 57dca6399dd8d249c688f73f1ad65384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:37.104432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084689/publication.txt
observed 5cf50a42b47e4f559ea468823372ad2f...
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.