OpenTechnical

OT-2026-000063594

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line 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-2026-000063594) never changes.

Identity and time

Publication numberOT-2026-000063594 · never reused
Internal UUID01a0ae8c-f945-7285-a0fc-a690e5e75304 · 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-2026-000063594
StatusPUBLIC

Content hashes

Canonical text49bba7c94e3ec2b64c3db240c81fb0e60189c0020302a6cb322cc578b934daaa
Markdownea691256f36f0f0285760de5a6b99a6f6136aa07e3b073c1aac46c44d4192d7d
PDF
Publication page7fdd12a1baa8933c4c3ac19a738910fc71d611d693a9594d8815984aecae6572
Manifest4837b84be8cae8d5e1fe7b0ad13610e539f61d09192c2af07c68752fc8ee4f77

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
Signature0Nu56vX7GWUybL9TY2k7M3gkI5q2iTFaAOsyf12zrofPDWzVQDAj2DPaThVVtKiTODWiZO2lxtKf84nUSxmdBg==
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

2026-09-17T10:37:36.707427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063594
observed 7fdd12a1baa8933c4c3ac19a738910fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:36.689895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063594/manifest.json
observed 4837b84be8cae8d5e1fe7b0ad13610e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:36.673641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063594/publication.md
observed ea691256f36f0f0285760de5a6b99a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:36.654640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063594/publication.txt
observed 49bba7c94e3ec2b64c3db240c81fb0e6...
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.