OpenTechnical

OT-2026-000081328

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, vented after 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-2026-000081328) never changes.

Identity and time

Publication numberOT-2026-000081328 · never reused
Internal UUID01a0ae96-f374-7245-b456-9acd804a8fb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081328
StatusPUBLIC

Content hashes

Canonical text3472844871b77f2b8b5457ed4225be26f0b25fa8120fcd0fdad6beafc0958e56
Markdown3dc30d4a0d317c52e56589278678722d6695ab9ebbf863982dfc3a88e5eda387
PDF
Publication page18eff15ab0ea9b5d74bac1031b2a153a3dd32c88da90bf2af6357253d9995c6b
Manifestdd8c5a98f54f17c1659da9301b5c4e696212d3e4454ab3c6c540f96ac49bac01

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
SignaturenYXSIajoFVblxopXE0J28aop1J9Km+aAmcPh45fKDrPH69+7z7/OcYl1LWX8TohdePPuouomAhOkM7uT3xBkBA==
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

2026-09-17T10:01:26.907077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081328
observed 18eff15ab0ea9b5d74bac1031b2a153a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:26.887648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081328/manifest.json
observed dd8c5a98f54f17c1659da9301b5c4e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:26.866206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081328/publication.md
observed 3dc30d4a0d317c52e56589278678722d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:26.848016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081328/publication.txt
observed 3472844871b77f2b8b5457ed4225be26...
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.