OpenTechnical

OT-2026-000084775

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three 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-2026-000084775) never changes.

Identity and time

Publication numberOT-2026-000084775 · never reused
Internal UUID01a0ae99-43b3-7dae-978e-e6fd14c77dcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084775
StatusPUBLIC

Content hashes

Canonical text57b57cde4cb8088c4ca8081de4ffed9d9e0d82cceaab5a55a56252fcde79534d
Markdown2bfe4ea68a1d87bb3294471d13963c8fe7db92a1f71cd80c79ff2dfc88206cf2
PDF
Publication page217e3d4c2418217dcd65d9fa079f78ca3953e0e989d10f22ef035fa266f9f861
Manifestc50a6ef12cf658d61dfb87f71a12bda07d5a66e09e497ba6671a460ca2a0cae2

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
SignaturelldWU/xs9ZJl3zZ7pyyeTJcAmCgspydhwTy41vV4fD+sYWl0nhzmg/T/o+cU4HVN+a9SWd6fRKdN9Xs2i70+Dw==
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

2026-09-17T09:54:42.556166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084775
observed 217e3d4c2418217dcd65d9fa079f78ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:42.537969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084775/manifest.json
observed c50a6ef12cf658d61dfb87f71a12bda0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:42.519405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084775/publication.md
observed 2bfe4ea68a1d87bb3294471d13963c8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:42.502551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084775/publication.txt
observed 57b57cde4cb8088c4ca8081de4ffed9d...
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.