OpenTechnical

OT-2026-000084620

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000084620) never changes.

Identity and time

Publication numberOT-2026-000084620 · never reused
Internal UUID01a0ae98-e25b-7c92-82ce-a0e1adf20550 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084620
StatusPUBLIC

Content hashes

Canonical texta0ee16e9fd9df84bcb47d386a14d2dae078dcf516a714b1374422f28c87987c7
Markdownca7f7015cff8f69e558b1ac14cfeacb7e22622fced6bc3f3e6a1a7d6269415db
PDF
Publication pageba650fbf0c397269c85de398f7ae2851e3c513e764e3568d72f98db1b4d17e4e
Manifest1eb3b0c8866b264e639600577ccd5f4a920080c7d507fdbf9095dea4132120c0

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
SignatureWsAzFt1WryLihrUMS/RkiZOd5RTVhtk2ZRxdbq2gRIYufT4vjx6TiFmJWNkdsbFf7u9RFOfNtrRLwsebO6RMBQ==
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

2026-09-17T09:55:31.982597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084620
observed ba650fbf0c397269c85de398f7ae2851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:31.965112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084620/manifest.json
observed 1eb3b0c8866b264e639600577ccd5f4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:31.947401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084620/publication.md
observed ca7f7015cff8f69e558b1ac14cfeacb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:31.930941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084620/publication.txt
observed a0ee16e9fd9df84bcb47d386a14d2dae...
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.