OpenTechnical

OT-2026-000072361

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000072361) never changes.

Identity and time

Publication numberOT-2026-000072361 · never reused
Internal UUID01a0ae92-47c3-7ce2-ad82-1b794d493e56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072361
StatusPUBLIC

Content hashes

Canonical text78e79759c88d96420c77b99f2240741b6ddd5c7eaeb0a8bb8873f1fc3304e877
Markdowncb0e5cce4df20aa00430c30cb82701ef12cd3557e87728ae65d6975fba881cd9
PDF
Publication pageb28f26e4ea03988bd8f1a6b93c4bba514e54c7ff29fdc74fc3fe93a116cb363c
Manifest294c46680b1d6cf62ec348f21c720789f6a007474e79ae60add6f0accd82f4ea

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
SignaturePzXT5KkWwMj3utdaXPO8Z0bcxOyPG1B4iAUy9B+V+c7x3eLItu3YGyWXxBf4fztmx97y4DVVtmDqcSCAeX4dDA==
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

2026-09-17T10:23:35.779455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072361
observed b28f26e4ea03988bd8f1a6b93c4bba51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.763244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072361/manifest.json
observed 294c46680b1d6cf62ec348f21c720789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.745845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072361/publication.md
observed cb0e5cce4df20aa00430c30cb82701ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.728373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072361/publication.txt
observed 78e79759c88d96420c77b99f2240741b...
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.