OpenTechnical

OT-2026-000101891

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000101891) never changes.

Identity and time

Publication numberOT-2026-000101891 · never reused
Internal UUID01a0aea4-50f0-7f96-b72b-f55111f01a40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101891
StatusPUBLIC

Content hashes

Canonical textc6f269c4bdd9261c69cadf915d8a087b913a49f8626f390c0d0ee0cdec8431fc
Markdownf8d6d8500a4cfe78e6991d5003cbc3413aeaf0d254dbca501aed1a788e21694a
PDF
Publication page351a12e7bbbcc1f15640e4bf93bbfd654923eb0fc05687a3df1a13d975e3ff77
Manifest5184d3f75cc4f4df8ba1f86f2b798ad2e23f7bc69dcff709134ba2416636b320

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
SignatureKhG/EfZe6xUWUic9kU1Wy0AMM0e9AyF0KHyNKENOxt9KI6FFQDCZeOri9mSfFUpLhP//Ux6OWZVo5x5mI56jBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:29.939850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101891
observed 351a12e7bbbcc1f15640e4bf93bbfd65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.920282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101891/manifest.json
observed 5184d3f75cc4f4df8ba1f86f2b798ad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.901449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101891/publication.md
observed f8d6d8500a4cfe78e6991d5003cbc341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.883367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101891/publication.txt
observed c6f269c4bdd9261c69cadf915d8a087b...
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.