OpenTechnical

OT-2026-000012090

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, pulsed 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-2026-000012090) never changes.

Identity and time

Publication numberOT-2026-000012090 · never reused
Internal UUID01a0ae6d-1943-7f98-9804-79f34e849d02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012090
StatusPUBLIC

Content hashes

Canonical text3feafc819b106a27170d3cd413c0582a4dd2afe1799463cb722393e9e48ab67e
Markdown13aae606731f97acc6b190bd5c80da40ccb0775a4f268d44e2d0fff4b766a717
PDF
Publication pagea0507d718a00a7de76609ca20156efc4626ea5712b89cb271acb18badeabcb21
Manifest8783bb68ac2c06138511774816617b772d219bf243bb4943baf001050b340404

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
Signature6xURUIgOYIDj3CCA3hw6w9xk8X64ACZJQX6EBcdtN6J74bGqHi4o6dDDCTMpx3bdd4DoUIZcL9hqvyj4w7alAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:58.909201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012090
observed a0507d718a00a7de76609ca20156efc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:58.888919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012090/manifest.json
observed 8783bb68ac2c06138511774816617b77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:58.869754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012090/publication.md
observed 13aae606731f97acc6b190bd5c80da40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:58.850855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012090/publication.txt
observed 3feafc819b106a27170d3cd413c0582a...
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.