OpenTechnical

OT-2026-000013784

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single 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-2026-000013784) never changes.

Identity and time

Publication numberOT-2026-000013784 · never reused
Internal UUID01a0ae6d-8de9-70f5-bc12-6e85514295a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013784
StatusPUBLIC

Content hashes

Canonical text7b6e3fbc2a97ea306ca992cbc7a68020dc2c4f239241902e416c6ebb23f30087
Markdown544d9f4fbd6f8d63feb45e6828cbdf960e71087ce158210004ce925ec12816cd
PDF
Publication page967a48dae788b6164fede0a39480c9b9ff40c623e0142da918f190f8324b6339
Manifeste888d7bdf7c17ad5c77f5293b9cabec2075a421c257a333033e5abb1bf52c28d

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
SignatureMt4VXsuR1VDdzFRH+4c0fylzC/mINxnQTkHnGooX/kNxLS/ema1GRgSfO7w6YhuXK2RZk1GXvXFsbADA39v9DQ==
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

2026-09-17T12:08:52.196894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013784
observed 967a48dae788b6164fede0a39480c9b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:52.175852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013784/manifest.json
observed e888d7bdf7c17ad5c77f5293b9cabec2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:52.156215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013784/publication.md
observed 544d9f4fbd6f8d63feb45e6828cbdf96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:52.136980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013784/publication.txt
observed 7b6e3fbc2a97ea306ca992cbc7a68020...
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.