OpenTechnical

OT-2026-000066005

Publication integrity record

Single cup vacuum gripper, two stage ejector, 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-2026-000066005) never changes.

Identity and time

Publication numberOT-2026-000066005 · never reused
Internal UUID01a0ae8e-8dc2-7840-a4ee-34acd7d661dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066005
StatusPUBLIC

Content hashes

Canonical texte9b8cc8e9681d494243d13eb89a0f323fda32d9edad8b3583bb738fe1e5b0f40
Markdownbe7d9ca37e0fb7f70e1f085ea594a8f71a6438111b72b2df2db626245c3f58b2
PDF
Publication page212f292c96f267d666e1cdc02f26be02636d065eca84e94368968681395cf222
Manifest0f52f1c7d6588681712216e3ac0087e113ef3fb940a74a91c2ba52c57a629a2d

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
SignatureX56Fyf/AW3sY3gyRiRqwVCQDPW99gY+jSsfDF743cPwmPF3Qw3bMZmAGDoBZ1/UmzwB0SEzcepZ3NO12bvUUBg==
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

2026-09-17T08:50:32.312557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066005
observed 212f292c96f267d666e1cdc02f26be02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:32.295616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066005/manifest.json
observed 0f52f1c7d6588681712216e3ac0087e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:32.276489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066005/publication.md
observed be7d9ca37e0fb7f70e1f085ea594a8f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:32.259363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066005/publication.txt
observed e9b8cc8e9681d494243d13eb89a0f323...
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.