OpenTechnical

OT-2026-000072595

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000072595) never changes.

Identity and time

Publication numberOT-2026-000072595 · never reused
Internal UUID01a0ae92-89d9-7c49-8802-c81bcbdc9d97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072595
StatusPUBLIC

Content hashes

Canonical text6b76e213f29f73e9af1c11ea4e06d2398f8912e3374dcb3bfbd8e45964ef5035
Markdown726d2be0812d76051c23801ce74c68f724c7d6901c04593a93896eaa68e42edc
PDF
Publication page16de69f91e38721db058eb481baa464f4b75c3bc0d9176dae37a996f7f9878b3
Manifest0276a3e3e271b9cbf50304c02783d133de7be91c8da2be62128bff5d7a1843a2

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
SignaturesM6BDW9iXr+g6knHZdo6TzC9y7yoOKGua21ZXOm0+c5S5ToQUOrPpIaUsa5+QDMNEILii0upMBfUuVjDf5q6Bg==
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

2026-09-17T10:22:26.407532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072595
observed 16de69f91e38721db058eb481baa464f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:26.390274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072595/manifest.json
observed 0276a3e3e271b9cbf50304c02783d133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:26.373993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072595/publication.md
observed 726d2be0812d76051c23801ce74c68f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:26.357882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072595/publication.txt
observed 6b76e213f29f73e9af1c11ea4e06d239...
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.