OpenTechnical

OT-2026-000088623

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, 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-2026-000088623) never changes.

Identity and time

Publication numberOT-2026-000088623 · never reused
Internal UUID01a0ae9b-8f0f-7de2-bdcf-1179fda8f13a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088623
StatusPUBLIC

Content hashes

Canonical textc065a49a2231185e2fb598d96c4b61889f383668a36c03467f7b0350c00ea7c3
Markdownf428b05445b667c48cff007d6debfe58c8c274bb173e179b6e77a30214852ab4
PDF
Publication paged7a9646790dda960217e8aa6c0b7d40b80de5c9debe2d8dcaed2a99d5f9c5dc6
Manifest55acd212df78cb9fe176c5eec58cc212f723230441e469ddf75fc93da8935dc6

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
SignaturesKIU+cCmvMxqffwdjnhQ3NBoD/dq+r+XVq+p7ZFuxNMBuIBt4dh7Yd1SVTCAl6tMibZepVkdC3S5J1zqnjBZCQ==
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

2026-09-17T09:47:50.085329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088623
observed d7a9646790dda960217e8aa6c0b7d40b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.067011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088623/manifest.json
observed 55acd212df78cb9fe176c5eec58cc212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.047914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088623/publication.md
observed f428b05445b667c48cff007d6debfe58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.028509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088623/publication.txt
observed c065a49a2231185e2fb598d96c4b6188...
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.