OpenTechnical

OT-2026-000078034

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, vented after 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-2026-000078034) never changes.

Identity and time

Publication numberOT-2026-000078034 · never reused
Internal UUID01a0ae95-2f44-71f9-9e0d-87be3d12e2ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078034
StatusPUBLIC

Content hashes

Canonical text67e831fe3967fd155587b64e37233485788f90050ef33e411935c8506db0f8de
Markdown4bce262e1a9b76bdc33b89126c73990de378b0d287ef0ada3714617acb9bfd48
PDF
Publication pageb16f2973d8fcec431c50534880d0cb64fe9428c1a4ddfe547de1ed0ab3c46563
Manifest15a62c6c43234395457c548b6ec7188bf82e1dd54003e74eb4a2f93fe4697785

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
SignatureFrC9ECxQo28WAeot6OkLUWEJdgMaCciNykbZtbVi3yH3Z38iWTEglV6cvJBQ3x88p+a73d+cHqkSLVlAaW99Bg==
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

2026-09-17T10:10:45.986458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078034
observed b16f2973d8fcec431c50534880d0cb64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:45.965935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078034/manifest.json
observed 15a62c6c43234395457c548b6ec7188b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:45.944900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078034/publication.md
observed 4bce262e1a9b76bdc33b89126c73990d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:45.054630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078034/publication.txt
observed 67e831fe3967fd155587b64e37233485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.520658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078034
observed b16f2973d8fcec431c50534880d0cb64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.493501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078034/manifest.json
observed 15a62c6c43234395457c548b6ec7188b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.475135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078034/publication.md
observed 4bce262e1a9b76bdc33b89126c73990d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.456929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078034/publication.txt
observed 67e831fe3967fd155587b64e37233485...
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.