OpenTechnical

OT-2026-000073201

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000073201) never changes.

Identity and time

Publication numberOT-2026-000073201 · never reused
Internal UUID01a0ae92-efb6-7f2a-8925-a51d4084b152 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073201
StatusPUBLIC

Content hashes

Canonical text047a050efb6ba7d79568381d6a65ec6964cd219bef55f8be6eeff2d780c31e1f
Markdownee23139206b71c068378bd13d12a3889904d92a6d2ce7a7ab63511683f46c596
PDF
Publication page5609c35d543cc692f1bfc8ed89ffa4d9f78b9ce18c0210934eecf939caea80e1
Manifest8f4b02e341f748170cb4199fe17a7c348da35688d4bc61b6a5a0922a09d665e5

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
SignaturesPqa1fzWt/OGrxxnvyhvkR8DfkyNUpA/ARvpPXJ0bWX2XcQGwcsdo27EAzAaQHMz4rIOWym2xYoCGQQv0E3dCA==
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

2026-09-17T10:21:09.865857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073201
observed 5609c35d543cc692f1bfc8ed89ffa4d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:09.844989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073201/manifest.json
observed 8f4b02e341f748170cb4199fe17a7c34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:09.824695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073201/publication.md
observed ee23139206b71c068378bd13d12a3889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:09.804187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073201/publication.txt
observed 047a050efb6ba7d79568381d6a65ec69...
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.