OpenTechnical

OT-2026-000086443

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000086443) never changes.

Identity and time

Publication numberOT-2026-000086443 · never reused
Internal UUID01a0ae9a-2c97-714d-a5cb-bb4ef44d0253 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086443
StatusPUBLIC

Content hashes

Canonical text2170e47d72879d3ae20c568d39ccda8178d3b203cd402e4471c170c716833ba8
Markdown8d7c095f0ce6d3ccb2277d50ae74c869e4a0e17e54239a77d5f25fe0d01b5bf1
PDF
Publication pagea9e720236384359b1fb1d88d24bef5a56b59a10dd616d7ad83d6f0d68e4ee001
Manifest6e4bd2fa37142f8638ec5657fc7b98643fdf6a7fadb4f53a129c146a47cc40c7

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
SignatureG3P0bu/kOhE3egtY4EIW8Z6fVKLeAzlclPOu7gJRTCrQMyLVygjR68FjMSdZ5Ow6x+EMsoZUJLdsY/nwha51Bw==
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

2026-09-17T09:52:14.520684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086443
observed a9e720236384359b1fb1d88d24bef5a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:14.504276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086443/manifest.json
observed 6e4bd2fa37142f8638ec5657fc7b9864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:14.487233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086443/publication.md
observed 8d7c095f0ce6d3ccb2277d50ae74c869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:14.469619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086443/publication.txt
observed 2170e47d72879d3ae20c568d39ccda81...
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.