OpenTechnical

OT-2026-000085768

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000085768) never changes.

Identity and time

Publication numberOT-2026-000085768 · never reused
Internal UUID01a0ae99-e829-79ee-8a8c-ef577ed82010 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085768
StatusPUBLIC

Content hashes

Canonical text8b5640730cff164b14ea5bc0ee602a8c17e4fab3edce2d9178434ed37b99659d
Markdownbaf6f40864bebc5a5c77c4edeeb6f5e54c92ee9368a2542c749cef244d196ea1
PDF
Publication page0e9f41b9877980cb37a15f8c6a243c2d69859bcdad9ba920a8d24f8201d432cd
Manifestec1ebb299b27a7a2b640c30599da0d55e436b4fcdabdc0903621ca5d122d4d96

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
Signature9Hd6RzlMnyVa4YOljSu5sVFS8jUDiaaCiMxPr49Dzi7WX1I3Igh3FxOohjF6mKKyt6nnPvO7tUPUnJSzwHxHDQ==
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

2026-09-17T09:52:39.602368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085768
observed 0e9f41b9877980cb37a15f8c6a243c2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:39.585919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085768/manifest.json
observed ec1ebb299b27a7a2b640c30599da0d55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:39.569290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085768/publication.md
observed baf6f40864bebc5a5c77c4edeeb6f5e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:39.552600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085768/publication.txt
observed 8b5640730cff164b14ea5bc0ee602a8c...
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.