OpenTechnical

OT-2026-000067573

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000067573) never changes.

Identity and time

Publication numberOT-2026-000067573 · never reused
Internal UUID01a0ae8f-6bda-7690-82cd-ba667e661486 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067573
StatusPUBLIC

Content hashes

Canonical text5fce3201e095042909ed0f5599c030c8eaa215d6c834beacd57b78faec89bae6
Markdown93416267823231b1daceb21aff130e3054af77b3d8f184c093649f064b9aaf86
PDF
Publication page2d8baaff492b3a5a0bf964c5c8761662af65ea1005d2339be225599f3eec1d33
Manifestd8ab11945d854c17d76b60ea63a17ca63835c6356d22301d5fbf8eaac1e3d405

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
SignaturewDkqPDLO6157zFOQgKQUR3gDEvExGRLS+hPC+qVCSsZrwzif3sbke6gdWTELRzqJp0qRfvukqglUVjfLHsVECQ==
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

2026-09-17T10:31:53.080591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067573
observed 2d8baaff492b3a5a0bf964c5c8761662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:53.063976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067573/manifest.json
observed d8ab11945d854c17d76b60ea63a17ca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:53.048037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067573/publication.md
observed 93416267823231b1daceb21aff130e30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:53.029731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067573/publication.txt
observed 5fce3201e095042909ed0f5599c030c8...
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.