OpenTechnical

OT-2026-000092186

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, supply line 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-2026-000092186) never changes.

Identity and time

Publication numberOT-2026-000092186 · never reused
Internal UUID01a0ae9d-875a-73aa-959e-24a8f50269a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092186
StatusPUBLIC

Content hashes

Canonical textd21a7fd6ea9f1db934ab0003880b5ac596bc928546c9fdf70afc544b169856b6
Markdowncaec3c54685b7c84b3b9e6517c6cbeccd5c9091a96e7eee2d5188dd7d23b01ff
PDF
Publication page6a4a41bac74fc6cd47e9cec778a2d1175497bfe236b00d1ac37f860a3619e4c0
Manifestea0bf686ca158028c1c4d67914176176b2cd6db085e527cb385cc65539956585

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
SignatureN7WGLjeOW6Ml1TMDsTcQfRRyqlPh0EDj1PcgYLYap2Eezo3tfG83sQ5gCNvRD/xP1nQHZGpAcii0iPDcggg9Dg==
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

2026-09-17T09:41:40.062304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092186
observed 6a4a41bac74fc6cd47e9cec778a2d117...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:40.044787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092186/manifest.json
observed ea0bf686ca158028c1c4d67914176176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:40.028123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092186/publication.md
observed caec3c54685b7c84b3b9e6517c6cbecc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:40.009831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092186/publication.txt
observed d21a7fd6ea9f1db934ab0003880b5ac5...
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.