OpenTechnical

OT-2026-000090590

Publication integrity record

Two bellows 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-2026-000090590) never changes.

Identity and time

Publication numberOT-2026-000090590 · never reused
Internal UUID01a0ae9c-7f2f-77a4-957c-d51b3a112db4 · 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-2026-000090590
StatusPUBLIC

Content hashes

Canonical text1b998653c149a125412c9c17d0f22ff678902b96582b08af082d87c54ae593e7
Markdowna796a50a500f13ae2c144630b7db5e6ac3a94c5f734895b7e4a6c27433753e73
PDF
Publication page7030423c8ddbe250043f7196f8b9b88ca1e19cc35adb1a7e5ff25606d20bdea0
Manifestde4a69ec415da4115dd8ecd439edb51ff17a493429061a75d35eca47f316275f

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
Signaturezzwo2Z7REYipOJb4sXFgNLLU4ehJZhZYmXHbH+4qj5xTI3K+nm5g+q5VqdK8Gsfwhwj/pLiR9YPrPGkweS5LBA==
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

2026-09-17T09:44:46.457577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090590
observed 7030423c8ddbe250043f7196f8b9b88c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.440192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090590/manifest.json
observed de4a69ec415da4115dd8ecd439edb51f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.422892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090590/publication.md
observed a796a50a500f13ae2c144630b7db5e6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.406914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090590/publication.txt
observed 1b998653c149a125412c9c17d0f22ff6...
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.