OpenTechnical

OT-2026-000036253

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line 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-2026-000036253) never changes.

Identity and time

Publication numberOT-2026-000036253 · never reused
Internal UUID01a0ae77-01cf-7386-bbbb-1ddc2efa612a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036253
StatusPUBLIC

Content hashes

Canonical textc1e4d0ae29a19eb4636426ca75bd6d21abeb1df343565f37f36febede6858f24
Markdownfbbc33f361f77c8cdae0e48b43ac6e7f4065d12159c725deffb26c90a6f9f2de
PDF
Publication pagecc0b1c09d387367531660de0f4719509c281a7343144b605ffb9987391e7fc75
Manifestc79f63e8371ba7959a02c12dd2d161cdda7e742d593a90b4dcfe5dca927c5edd

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
SignaturelfkhVhGT8Ye8QbQlI5p6D8/92wPRohdf3v64qc4BmZb9kt9jKOUGHFHXIneu0rtced7lWm39C2S5E9s+uUI0CA==
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

2026-09-17T11:26:30.493134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036253
observed cc0b1c09d387367531660de0f4719509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:30.473871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036253/manifest.json
observed c79f63e8371ba7959a02c12dd2d161cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:30.454631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036253/publication.md
observed fbbc33f361f77c8cdae0e48b43ac6e7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:30.433951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036253/publication.txt
observed c1e4d0ae29a19eb4636426ca75bd6d21...
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.