OpenTechnical

OT-2026-000063641

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000063641) never changes.

Identity and time

Publication numberOT-2026-000063641 · never reused
Internal UUID01a0ae8c-f945-74d1-a413-bfc79408a3c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063641
StatusPUBLIC

Content hashes

Canonical textcb6c3a9b52dcd34767609a98fe71d74bf5f310857b52c09ed0efe3be3bacec10
Markdownbfc0c480646430202c86e4b8a253a85ce9cbe23aac52b5f62f75fb15d0311d22
PDF
Publication page5188ab4fea722c4625ca006b433f2824225caccd8bcdd2efe9fee04a2a6be8d9
Manifest3595f16a8e80d19d8117b8b3cedc3b2e631ae9b04201df96c6a8e6108b86d6d9

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
SignatureL5IDWwWXS4BqcQGIUHe/kWU7uXfsUZoHtojvrBzQToT1+OfFWTHWzg0CVSQ7QFBzQn77cnukSOiWy22uuHxdAA==
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

2026-09-17T10:37:44.650111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063641
observed 5188ab4fea722c4625ca006b433f2824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:44.630160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063641/manifest.json
observed 3595f16a8e80d19d8117b8b3cedc3b2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:44.611439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063641/publication.md
observed bfc0c480646430202c86e4b8a253a85c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:44.592952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063641/publication.txt
observed cb6c3a9b52dcd34767609a98fe71d74b...
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.