OpenTechnical

OT-2026-000006896

Publication integrity record

Porous face vacuum gripper, plant vacuum fed, contact triggered, closed cell, 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-2026-000006896) never changes.

Identity and time

Publication numberOT-2026-000006896 · never reused
Internal UUID01a0a96b-2dd9-7792-9787-25c6dc838904 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:52:48.731591Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006896
StatusPUBLIC

Content hashes

Canonical textb93b4df039ec6e589073a422e02e928fb96efa70c99f69880f0a32ddf4203ee0
Markdown7b75115553edeb8b0c4da8e03c7c389fe75e776693d211bd74b2db1ec5da81b2
PDF
Publication pagee9c3d98a84bb02f681a527bc5827f3ca24c65da7b1a8ab4d5af386382756cff1
Manifest758f1321da0cbdefc6e0a7395e615f9dcf79d9b12087ec1e6f3f1aee90422db4

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
Signaturefv8jHDu6+71PsJgc5mBR60dP5oHrlKQ5/rmRKhj/3ppZcToqPM5Kzg58NaVGGKARnMjy1bAaHtlloNpuHQdzAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:24.451829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006896
observed e9c3d98a84bb02f681a527bc5827f3ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:24.440291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006896/manifest.json
observed 758f1321da0cbdefc6e0a7395e615f9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:24.428192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006896/publication.md
observed 7b75115553edeb8b0c4da8e03c7c389f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:24.416803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006896/publication.txt
observed b93b4df039ec6e589073a422e02e928f...
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.