OpenTechnical

OT-2026-000069890

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, vented 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-2026-000069890) never changes.

Identity and time

Publication numberOT-2026-000069890 · never reused
Internal UUID01a0ae91-1860-73ae-97e4-a0bc637cc679 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069890
StatusPUBLIC

Content hashes

Canonical text45b537566a00fc311936649b8334a489f555c5a96309c6229e9bbcd8509102d1
Markdownf0759123e023dfa42aef32cd4d558fa6228a58df9a0597c14d3e78030eff463f
PDF
Publication page08b776c11e60dadeacada3644c984ea8ec1dcb53accad69479660871549a6f4a
Manifeste175b309fb6515396090658d7cfc1f02076890d29dc228c7f30eebde76ee99c2

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
SignaturegjrVkijTRSilghMqXx5ZeUghENx6VwbcwUuViezDxwFnHGDpdOM6KXvFVtchn/yqrnGrL6h7kpWP0OJH4agUCA==
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

2026-09-17T10:26:43.375131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069890
observed 08b776c11e60dadeacada3644c984ea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:43.358336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069890/manifest.json
observed e175b309fb6515396090658d7cfc1f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:43.340545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069890/publication.md
observed f0759123e023dfa42aef32cd4d558fa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:43.323145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069890/publication.txt
observed 45b537566a00fc311936649b8334a489...
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.