OpenTechnical

OT-2026-000063170

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000063170) never changes.

Identity and time

Publication numberOT-2026-000063170 · never reused
Internal UUID01a0ae8c-94ab-7ba3-8e78-56fe74780fd5 · 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-2026-000063170
StatusPUBLIC

Content hashes

Canonical text8dce7be4cafc4d4ffeb13ce84e054c74dbc342c2e4bccd3c5a6ab42aced46801
Markdownad009fdb572977af76a3bffdda301be25a9051997793b96055bbb55cc84d685e
PDF
Publication page760b33d9d10f8644bdca17a5df8f4a3bc4e1521ab9d2e63a04490339bd04bedc
Manifest8a5453ebee961158d53ff4b2bd4f5410c3576257d873fcb01da4e9ae390dc056

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
Signaturetlt2MSPOeu04Lo9wy+yFLk/ep+kL42NHNaass8ZftBba8Nq1c1sO8f9OC0JJgFZ2omk1gial0U5cGO1FqvW1Dw==
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

2026-09-17T10:38:57.675250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063170
observed 760b33d9d10f8644bdca17a5df8f4a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.655911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063170/manifest.json
observed 8a5453ebee961158d53ff4b2bd4f5410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.635922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063170/publication.md
observed ad009fdb572977af76a3bffdda301be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.616354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063170/publication.txt
observed 8dce7be4cafc4d4ffeb13ce84e054c74...
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.