OpenTechnical

OT-2026-000015363

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000015363) never changes.

Identity and time

Publication numberOT-2026-000015363 · never reused
Internal UUID01a0ae6d-ef49-7b2f-b55e-05ff64c0c1bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015363
StatusPUBLIC

Content hashes

Canonical textf474b6251b1e0d412c97967d9e1ad01d481ec2e7c16c7efc4d410fa6e78e51ac
Markdown62bd3195c1b3d2035c148b154d3e446a04026c687fae9d699105003a06f57fb0
PDF
Publication page06ef7500bc856e116c2cc56058f0e0b990ba2a44be3b44ee4a5489bf93191b81
Manifestd2568328fa2cd11f5f9a4269955eca43546e2c0e963c46d32fecd2344c3d22a5

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
SignatureWSE9sevkDBk9254X9byJ8IFI9RsJKN51/eqXlT6xJNlVWPWiuqqNa1ZTf57bQUXRP0x8GYMMXoWEYf3OYsZ7DA==
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

2026-09-17T12:06:04.432142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015363
observed 06ef7500bc856e116c2cc56058f0e0b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:04.413637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015363/manifest.json
observed d2568328fa2cd11f5f9a4269955eca43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:04.393153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015363/publication.md
observed 62bd3195c1b3d2035c148b154d3e446a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:04.373255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015363/publication.txt
observed f474b6251b1e0d412c97967d9e1ad01d...
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.