OpenTechnical

OT-2026-000090605

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000090605) never changes.

Identity and time

Publication numberOT-2026-000090605 · never reused
Internal UUID01a0ae9c-7f2f-7293-8d67-2fdf8fe9d840 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090605
StatusPUBLIC

Content hashes

Canonical texte5fd0ccefb60615b7e5f7603a378547d9c2a9f9ac1319a307035da9347b4dcdf
Markdownff6f2b652788080476600b9459ecd8547215015570b29d7076507efa1a35f70a
PDF
Publication page8358d371158b10024dab239e9dce35fd838865f1be72fef50a3da4863b4d7b74
Manifestdf7b47c9fcaa143f0db74ef376a573773fae505a6e99bcbe5367067c7b4d19d1

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
Signaturev9/s+0ws+TfjuXtzFJoNcJs9/x6QFHYFp89VXIFo0vY0lB6WiQSQDQki0sSRP2DBMQOQmRFo+rxxdrIq8Y+MAw==
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

2026-09-17T09:44:47.473393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090605
observed 8358d371158b10024dab239e9dce35fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:47.455853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090605/manifest.json
observed df7b47c9fcaa143f0db74ef376a57377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:47.438525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090605/publication.md
observed ff6f2b652788080476600b9459ecd854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:47.420699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090605/publication.txt
observed e5fd0ccefb60615b7e5f7603a378547d...
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.