OpenTechnical

OT-2026-000048204

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000048204) never changes.

Identity and time

Publication numberOT-2026-000048204 · never reused
Internal UUID01a0ae80-4de2-70fd-8ced-e3df6f687c90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048204
StatusPUBLIC

Content hashes

Canonical texte6602fc69d5934627be206a3a12e547fbb72499c8fab5951734bde8c2d31e5b7
Markdownb3e6d84924b0b07a5b72ead0a1251965050716d71f54cc7c446f0a77742e16b8
PDF
Publication page8a701094d049916aa8688d2d0e2b38a95a1df933c526a8be491a72caa86ad920
Manifest10aade6393d436c2cb0b70010af6a822d1121d78e47b926d455ddba8210d7282

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
Signature5zDA7onMJs+L8Ra7TEpNaj+coceGe8+ZmjiWtA7xREGKU9BrgzAxkuLuIySENoaJMQ7J5kGX9ZQzgsTIpqmNBQ==
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

2026-09-17T11:04:45.024907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048204
observed 8a701094d049916aa8688d2d0e2b38a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:45.004593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048204/manifest.json
observed 10aade6393d436c2cb0b70010af6a822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:44.986774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048204/publication.md
observed b3e6d84924b0b07a5b72ead0a1251965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:44.969232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048204/publication.txt
observed e6602fc69d5934627be206a3a12e547f...
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.