OpenTechnical

OT-2026-000090810

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, sustained 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-2026-000090810) never changes.

Identity and time

Publication numberOT-2026-000090810 · never reused
Internal UUID01a0ae9c-7f32-7290-a148-5456cc0289b4 · 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-2026-000090810
StatusPUBLIC

Content hashes

Canonical text033bbb58e10474d8c4b18b9d64bf4d2b9303e14a6e999734bfcadd55428f132e
Markdown852c13d7a0c3e53bbee610692d3c5202dbfbbabf34368ba48f5c04e067d07c22
PDF
Publication page1b06a67ecca8fe435c91c149c024529578c30444b46e6b793f6096d61655b750
Manifest0bbfef33ea68eaf09bc2d95143c9cac9d5a78994764f140c68420e2d33814096

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
SignaturekCunKpX7N8+AHMyUDyN8k8ycchyEZYVS/W4mOPlrcPMCFC4OCQmoeDSOnwf5mLXULYuMQjB8zAOLfOY9cQFzAA==
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

2026-09-17T09:45:01.241757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090810
observed 1b06a67ecca8fe435c91c149c0245295...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:01.219266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090810/manifest.json
observed 0bbfef33ea68eaf09bc2d95143c9cac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:01.199086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090810/publication.md
observed 852c13d7a0c3e53bbee610692d3c5202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:01.179354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090810/publication.txt
observed 033bbb58e10474d8c4b18b9d64bf4d2b...
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.