OpenTechnical

OT-2026-000084179

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, sustained 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-2026-000084179) never changes.

Identity and time

Publication numberOT-2026-000084179 · never reused
Internal UUID01a0ae98-5b5f-756b-adc0-15ca3f8b0696 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084179
StatusPUBLIC

Content hashes

Canonical texted151032b5b8ee922523a7f797cebefa7020c1df3321fdcfc71a376060d66726
Markdown51cdf83d5e209b80112172ef04e824282757d7b5c05978059a0f9317c03e81a9
PDF
Publication page37bb92ef2209592cc5fcae160a14359e56797337566ca062e49a2269256f0c10
Manifesteaadb9d1417489e39ac5e5123df4aefeeac55f116c06e68f80f0f222b6b64b70

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
Signature4HUDbdnOrYlsNKpDo6ysKoy46JVcLboXiZ1bUJFyO+SEOqFVVlaZASAFuNUogFxFF6t4927xSqbdYVA+e4aECQ==
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

2026-09-17T09:55:57.413572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084179
observed 37bb92ef2209592cc5fcae160a14359e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:57.396484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084179/manifest.json
observed eaadb9d1417489e39ac5e5123df4aefe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:57.380559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084179/publication.md
observed 51cdf83d5e209b80112172ef04e82428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:57.362795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084179/publication.txt
observed ed151032b5b8ee922523a7f797cebefa...
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.