OpenTechnical

OT-2026-000095255

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single 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-2026-000095255) never changes.

Identity and time

Publication numberOT-2026-000095255 · never reused
Internal UUID01a0ae9f-8f70-7793-a444-de22efc5e617 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095255
StatusPUBLIC

Content hashes

Canonical text941f83afdc0cea36c51d88919d2f2acd261a9f09790518076141f9e287d85a97
Markdown853b7c0c8c45582c4be0ef4eaabf25d255b3a1e92a3a2ed5e61bfef6a9a652c0
PDF
Publication pageee80deb260de3f02246f585441456b9e522896f8275c109e7924e0187a961126
Manifest930da52ec6aa5f00e8cddcb155b2cab6315b043c3e47c06426d72e2557fb3630

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
SignatureWJZD/37+tL6nRngf7bNpeN5m3GBlD/kxUAEK9ciHwkiOm2Qh+Bcc34gnV/7DHwT6yLuIlziQlwmNWWKyUcW8BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:35.069154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095255
observed ee80deb260de3f02246f585441456b9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:35.012047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095255/manifest.json
observed 930da52ec6aa5f00e8cddcb155b2cab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:34.991723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095255/publication.md
observed 853b7c0c8c45582c4be0ef4eaabf25d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:34.972925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095255/publication.txt
observed 941f83afdc0cea36c51d88919d2f2acd...
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.