OpenTechnical

OT-2026-000056489

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000056489) never changes.

Identity and time

Publication numberOT-2026-000056489 · never reused
Internal UUID01a0ae87-7af4-716d-ba26-b4d82104bd07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056489
StatusPUBLIC

Content hashes

Canonical texte6bbb425509a913a131a38f1e59fb7d34b320ad866ffd0379f59e99a53f9eb52
Markdown4f13c26609b0aeb4c5b41e57ad64533403ad971632ba5911ff0a5ace6ca7c7bb
PDF
Publication page81b39c43c990a457474c2457d2d37484a54a41182e09af67eb5c4e033d5f372b
Manifeste344e23b52a7490dd9e73b162152fc548054f1aa3b9cb5906202ad1c4ec1e68e

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
SignatureOVhShnyIlQRuV7plKIajvJ3coeoqd+nE7rG3Tc6oSxULdjt+jJVJ0Px9cMJHU2/slAlU95VaVvGOyFMnXVziBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:48.177369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056489
observed 81b39c43c990a457474c2457d2d37484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:48.159064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056489/manifest.json
observed e344e23b52a7490dd9e73b162152fc54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:48.140400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056489/publication.md
observed 4f13c26609b0aeb4c5b41e57ad645334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:48.121905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056489/publication.txt
observed e6bbb425509a913a131a38f1e59fb7d3...
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.