OpenTechnical

OT-2026-000089228

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000089228) never changes.

Identity and time

Publication numberOT-2026-000089228 · never reused
Internal UUID01a0ae9b-db00-7ec1-84be-8f49ace39d0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089228
StatusPUBLIC

Content hashes

Canonical text7a00596741d6b9eeb1e273c27a8e0e8b777380d7f1f970fa89e7b2e74cbefddf
Markdown08e825688c557020ec2bb44d07048671cab1d98b3e728407611fc9d9696afb09
PDF
Publication page945639791c22f78eeb51a5684fdbd7c32e2269fbeb3d2e70aadae5c14e3e2c94
Manifestb3e9143b0f988238339fff3f6903a66edd29a740af5c43e5968803b2bb8c2bc2

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
SignaturenIWCheOZD1y39+a0OEiqFgg7wNjufBJxS+b15OPIY6OKUqXEQ2McAq10tDAv3XgQsztMETpNGkBY9RTl2CBGBg==
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

2026-09-17T09:47:15.250994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089228
observed 945639791c22f78eeb51a5684fdbd7c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:15.233847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089228/manifest.json
observed b3e9143b0f988238339fff3f6903a66e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:15.215557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089228/publication.md
observed 08e825688c557020ec2bb44d07048671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:15.197319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089228/publication.txt
observed 7a00596741d6b9eeb1e273c27a8e0e8b...
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.