OpenTechnical

OT-2026-000087780

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000087780) never changes.

Identity and time

Publication numberOT-2026-000087780 · never reused
Internal UUID01a0ae9b-1aa4-7ebe-af21-7d86dacd6c6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087780
StatusPUBLIC

Content hashes

Canonical textb1cb6a2bfd9f94a09f43846df634670f1273a9812f5ae790da68c7f669cd1bb3
Markdown24377f9387c554b88390b536e8fb32a771789530db1f87f10d4cf8bc782f205b
PDF
Publication page7769128850c8f1f0f5df9ddfab62e36bd45032040af904cb0774c5506cadf093
Manifestaa508371365d24a7b275c298ee170e96642ab03312e2ec1335583726a855e8f7

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
SignatureclgjTHwZiO5CuhwylRBJY63SvhFbYIAOzbw2D22YTkbL/GDgx+oNi4an2laPrX4O8AQwB6URL4LynnaIbQmbDQ==
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

2026-09-17T09:48:59.166112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087780
observed 7769128850c8f1f0f5df9ddfab62e36b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.148293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087780/manifest.json
observed aa508371365d24a7b275c298ee170e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.129869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087780/publication.md
observed 24377f9387c554b88390b536e8fb32a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.110868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087780/publication.txt
observed b1cb6a2bfd9f94a09f43846df634670f...
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.