OpenTechnical

OT-2026-000071310

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000071310) never changes.

Identity and time

Publication numberOT-2026-000071310 · never reused
Internal UUID01a0ae91-e0ec-7686-bb80-0833817c7ebd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071310
StatusPUBLIC

Content hashes

Canonical text5f04594703c757620f7b1a3d7ac971cfadcadb5cf285519ab9d9c2ac8ddc91f3
Markdown565eb54839453f360e1aed5724c7ad94743bafe519e37ea47d63be949625e4d5
PDF
Publication page077a4b6c24e149cc5f4463962915ba78bb2ae0c94e0a62bbe636d8744931371c
Manifestde4f433d9b82c2ab57cb5cf31c278e94d9429530c9a72f44f1eb5abc5b723742

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
SignatureR7KWCQWTDnRgu03R98LtSaQ1EuNl9Ty55cPMB7kospkZItZyfSwTxD3oF2CVpKXW6AsOvYZuWQqebDPxfaAHDQ==
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

2026-09-17T10:24:53.829187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071310
observed 077a4b6c24e149cc5f4463962915ba78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:53.812404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071310/manifest.json
observed de4f433d9b82c2ab57cb5cf31c278e94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:53.795288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071310/publication.md
observed 565eb54839453f360e1aed5724c7ad94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:53.776988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071310/publication.txt
observed 5f04594703c757620f7b1a3d7ac971cf...
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.