OpenTechnical

OT-2026-000089779

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089779) never changes.

Identity and time

Publication numberOT-2026-000089779 · never reused
Internal UUID01a0ae9c-1a22-7c87-b82d-c6c6b0387152 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089779
StatusPUBLIC

Content hashes

Canonical textbe95c9a6c1ac8c5f9250b964e5f93a848fac2aeb9fd06396625b4f3239695922
Markdown753476849a906266f65b2c067f2e5363ad0f69719929069c6990dda326c24b3e
PDF
Publication pagec1e67169cecf7c1b4401b10681521efad2ab847efc6c1ac419d49ade20832b7d
Manifestfacbb3fe658bdfce53cde90f67911df4aaf0630287dfe1ad7ad064f9d43a3164

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
SignaturepO4YHMjRMdJlyFz+iSKt9XaksJX62JocJz7SP8HSP5ZlsxCS9YuqpFiOFKOTah9x9zi27x15BeasEXp6ajZxCQ==
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

2026-09-17T09:46:52.121470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089779
observed c1e67169cecf7c1b4401b10681521efa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.104545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089779/manifest.json
observed facbb3fe658bdfce53cde90f67911df4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.087897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089779/publication.md
observed 753476849a906266f65b2c067f2e5363...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.070122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089779/publication.txt
observed be95c9a6c1ac8c5f9250b964e5f93a84...
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.