OpenTechnical

OT-2026-000048429

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000048429) never changes.

Identity and time

Publication numberOT-2026-000048429 · never reused
Internal UUID01a0ae80-4de5-79c1-befc-d2c3bd0c3225 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048429
StatusPUBLIC

Content hashes

Canonical textf0e1e6de2eaa0251b45906a9c72c84a53a1f96d6413c35537f2b8341b0dc4ade
Markdown945cf370dad95d578c675bee440440d4faa46a1f4ac4032ba8e601c7e1b91dff
PDF
Publication page3069661bc6177bcc99aa31ac7a5ed6912e82ec92ecb23d872cb0620bbfbedf5e
Manifest11677c2ca27d22a4000d2334bd7659648e159172e2f3071dbf6a8fb93317ac20

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
Signaturelki62H/88d/znpRivbqh5Yt6ntNjcoHSpq3gPiivLH26CIWRjhBf/jOwDx5NZLZ8fWwd4rgosCkXhUTRBjaeAg==
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

2026-09-17T11:05:04.642035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048429
observed 3069661bc6177bcc99aa31ac7a5ed691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:04.622025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048429/manifest.json
observed 11677c2ca27d22a4000d2334bd765964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:04.603393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048429/publication.md
observed 945cf370dad95d578c675bee440440d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:04.583548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048429/publication.txt
observed f0e1e6de2eaa0251b45906a9c72c84a5...
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.