OpenTechnical

OT-2026-000007162

Publication integrity record

Vacuum cup gripper, two outlet manifold, pump fed, vented after set down, polyurethane cups

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-2026-000007162) never changes.

Identity and time

Publication numberOT-2026-000007162 · never reused
Internal UUID01a0a974-f47c-7fd2-b769-e304a7d26fbf · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:03:29.407848Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007162
StatusPUBLIC

Content hashes

Canonical text9374e86dead3408c3143efd36f96dd2bf30548b0f7ec4f0c698f230b806e14ef
Markdown9ac7e7f918184ec84656ec3363fbac06457069649cb249c2a4052a597c430837
PDF
Publication page51e5d8efa461b26b4cf8bd4cefd2c1bf30162df22f2530ee826fa7ba0af40c31
Manifesta4f99ea912df5653af8373efb3a225b41632d1da588a9dc75c97914c6eaaa06c

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
Signatureowr3gucquj0pEV4aFbbTNijf1zQn1F8qDkbE9ARR4OS87KsVCoh3QpsYWUhHA0a4DgyWMjJwhyagmYrWoMiHAQ==
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

2026-09-16T09:10:20.444148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007162
observed 51e5d8efa461b26b4cf8bd4cefd2c1bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:20.431513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007162/manifest.json
observed a4f99ea912df5653af8373efb3a225b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:20.417833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007162/publication.md
observed 9ac7e7f918184ec84656ec3363fbac06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:20.403180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007162/publication.txt
observed 9374e86dead3408c3143efd36f96dd2b...
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.