OpenTechnical

OT-2026-000070475

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, 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-2026-000070475) never changes.

Identity and time

Publication numberOT-2026-000070475 · never reused
Internal UUID01a0ae91-545f-758b-a6a1-01ff4179815e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070475
StatusPUBLIC

Content hashes

Canonical text7a64f16b7fc2d4ce15fcc80c4ca21e715ab49a7176d378cfab91a649b3839816
Markdown374d9f3d2c5b5203e0c6163eee39fdf8aca9d47b4f111afe4ad170133c13c842
PDF
Publication pagec726df6ab92e69b6900e4e6e03ab902a600cfedac744c88fbadcbcd337f3b4d9
Manifest802a6ab9de9aa802089a02d4913b20dd37374c07a18a4104f0008b32301132b1

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
SignatureEWlgoUeBUPY5v/+Lfa30U+xwRdjYDhPNfAuGm3aiyFcwL3U6WMMl1iKEvHsT/ssk6Gryb3dYTgPzbsTTtRr4BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:18.475756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070475
observed c726df6ab92e69b6900e4e6e03ab902a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:18.459086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070475/manifest.json
observed 802a6ab9de9aa802089a02d4913b20dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:18.437918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070475/publication.md
observed 374d9f3d2c5b5203e0c6163eee39fdf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:18.421109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070475/publication.txt
observed 7a64f16b7fc2d4ce15fcc80c4ca21e71...
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.