OpenTechnical

OT-2026-000025673

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000025673) never changes.

Identity and time

Publication numberOT-2026-000025673 · never reused
Internal UUID01a0ae71-9bc9-7ba5-9c6e-ebd039e05eeb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025673
StatusPUBLIC

Content hashes

Canonical texte8408965a23fade780bdff2c98aaa7e8ea64900ef032c38752ea992034bd3f95
Markdowna6a611336bf4df9610aa763479f2e1ec01134e38f8556ae0c06f720d4719066e
PDF
Publication page54c9d88a4873df27ba5d7b204582335c036b44b6353b4b783dd98b4269439c66
Manifestdbbce78b675230daedf9b5088bcec66b460e0833f5262bd98d0fe94efce8da8f

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
SignatureeJ6zF7eBGWJu14LCDnO0m2CkuA9AloQ0eUEa9otO/v0svpHg8zZcbA+zhgxBoXzHeanm/iE4Ay+TEH039Z1UBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:46:52.856876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025673
observed 54c9d88a4873df27ba5d7b204582335c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:52.839066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025673/manifest.json
observed dbbce78b675230daedf9b5088bcec66b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:52.822372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025673/publication.md
observed a6a611336bf4df9610aa763479f2e1ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:52.804503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025673/publication.txt
observed e8408965a23fade780bdff2c98aaa7e8...
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.