OpenTechnical

OT-2026-000063094

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000063094) never changes.

Identity and time

Publication numberOT-2026-000063094 · never reused
Internal UUID01a0ae8c-94aa-7eb5-8ef9-754ae770b012 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063094
StatusPUBLIC

Content hashes

Canonical text675c1b3b55d441d1bef1186cc31f0c7a4f5621fd339564edc4e60c8bed4bed25
Markdown154b0b25db61db35bf3c509ead3c1a5b42f5e45ac801a8fc48aa223dad2b2a91
PDF
Publication page5983383e5a6a67f34ddfe1227dd0a40b77e62c0b26808e1360b7bff843fa5877
Manifeste02e3918f88ef36c9068191e3e911fa04c7c9e644897f3e8cd9380baf0abe637

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
Signature+9RajNR2K6hrs2qn0YQqLO/yqqw94TNVPQ8H4rhN8bjMbPUFdXNq5tcfni3iTaBSM78VjQCEAJ9WJZHblqJ4BQ==
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

2026-09-17T10:38:52.012469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063094
observed 5983383e5a6a67f34ddfe1227dd0a40b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:51.996000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063094/manifest.json
observed e02e3918f88ef36c9068191e3e911fa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:51.979112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063094/publication.md
observed 154b0b25db61db35bf3c509ead3c1a5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:51.961660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063094/publication.txt
observed 675c1b3b55d441d1bef1186cc31f0c7a...
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.