OpenTechnical

OT-2026-000076388

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000076388) never changes.

Identity and time

Publication numberOT-2026-000076388 · never reused
Internal UUID01a0ae94-6a70-7d95-970b-65c594271f1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076388
StatusPUBLIC

Content hashes

Canonical textf9fb47a4cb30829a197630e4e7162f903e9940e1a2149cdf58168ab3723ff2a3
Markdown2d0b7eccca23cd86ace42819dd704dd294c4ebe230cdeb57e915b3b35455cccf
PDF
Publication pagef18ab1e1af5e38bcf87f9b48fc4425d55fcb30267901c7da8bcad0ddc8e01cb1
Manifest061cfcb1911dc1f8d7fe774d433ad148667f9f029d47d53d832552eb7397c8ee

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
Signature3n9biUVQVdoOapFVF8Ejuco1mJOfJ+9eFlCrv7vd4BIa3ogMSaxFG1dperCbQHUsK2qoEgpw3x0AvGltjqJGDg==
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

2026-09-17T10:12:16.995834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076388
observed f18ab1e1af5e38bcf87f9b48fc4425d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:16.975960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076388/manifest.json
observed 061cfcb1911dc1f8d7fe774d433ad148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:16.955551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076388/publication.md
observed 2d0b7eccca23cd86ace42819dd704dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:16.813176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076388/publication.txt
observed f9fb47a4cb30829a197630e4e7162f90...
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.