OpenTechnical

OT-2026-000018559

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000018559) never changes.

Identity and time

Publication numberOT-2026-000018559 · never reused
Internal UUID01a0ae6e-b48a-7048-bf61-a6b667a649da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018559
StatusPUBLIC

Content hashes

Canonical text016ce21273958cecbee10a89dbff4235ffbc7769871ccbf332b9c06eda0a0f16
Markdowncbff674b6fbbbd8e17a1bdfa88f6cf82755f41d0b1ee88e47249f41c3836f7ca
PDF
Publication page68b6a69f3fb8a89e277184a8461c2e0f89610c9de6454b0fc01da26f783c59ae
Manifest09e8136d1bb168367504e652d5402be5815584c8904f3efdd38b786bd416c534

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
Signaturey8YLz0pyq0lnJ2gyI4njOVaACrvUkkXZD4DS4l5FAZshCxARzKmJL/Pk5OgL6D3wHtPBDzrzkcuYfP1D6JKEDQ==
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

2026-09-17T12:01:20.475512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018559
observed 68b6a69f3fb8a89e277184a8461c2e0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:20.457857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018559/manifest.json
observed 09e8136d1bb168367504e652d5402be5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:20.436825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018559/publication.md
observed cbff674b6fbbbd8e17a1bdfa88f6cf82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:20.415582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018559/publication.txt
observed 016ce21273958cecbee10a89dbff4235...
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.