OpenTechnical

OT-2026-000081952

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000081952) never changes.

Identity and time

Publication numberOT-2026-000081952 · never reused
Internal UUID01a0ae97-0f77-71e1-86ca-0c3bfae890e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081952
StatusPUBLIC

Content hashes

Canonical text9de4b6f6f53a526180c341a4917b958c4c3cedaf8e9b5d22aa3e0f706b0ae358
Markdown9c6f68ff959ad01f5ae01b6084f42e6c37cb5c5be1aced145d2dbdc8f3ecee5c
PDF
Publication page039f94e39292dd436a8fb20d72b9ef59aa1abeee0928ca1a9d81ff8d4355627b
Manifest08e8ce4f6ab28790a8d18d3444dba937a4119712ea64544ec18772bc594807c1

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
SignatureJrz7lWmrNF+rFkj1JL7KlVWc3W419DmFxABGliXez4WGcQ2eMJtsHhrS+SHBMFL0iGyVc29m+afpMfGeesmuAw==
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

2026-09-17T10:01:05.228384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081952
observed 039f94e39292dd436a8fb20d72b9ef59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.211872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081952/manifest.json
observed 08e8ce4f6ab28790a8d18d3444dba937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.196101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081952/publication.md
observed 9c6f68ff959ad01f5ae01b6084f42e6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.180137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081952/publication.txt
observed 9de4b6f6f53a526180c341a4917b958c...
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.