OpenTechnical

OT-2026-000022259

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pulsed 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-2026-000022259) never changes.

Identity and time

Publication numberOT-2026-000022259 · never reused
Internal UUID01a0ae6f-f4fc-79ed-83c3-5be124873faa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022259
StatusPUBLIC

Content hashes

Canonical text7e7c03ed08a13f496068ab451cec52b7995873fa4c68f11033acb5900e5176f9
Markdownf32a04c4e6dcd93d8e8a01c8635ab00c01212838bbc02e3aaf4e0a499e0efade
PDF
Publication page511f01574f28af41b092e32ded4fca06c0da349078770b6f71a8cf57cb22c706
Manifest1b1b679dc9246f781edb6b021e401c6fdca56d004cdcf4da30c184896ca95eb7

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
Signature20KkKwOb0olkvnfY22au0tG6SC4tYNzw7gGd2du0Efp20pTRgOBgDmORyfJQmIir2CQ+f5fPcbctHplVJaujAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:53:03.429169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022259
observed 511f01574f28af41b092e32ded4fca06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:03.409916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022259/manifest.json
observed 1b1b679dc9246f781edb6b021e401c6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:03.390441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022259/publication.md
observed f32a04c4e6dcd93d8e8a01c8635ab00c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:03.372039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022259/publication.txt
observed 7e7c03ed08a13f496068ab451cec52b7...
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.