OpenTechnical

OT-2026-000062552

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000062552) never changes.

Identity and time

Publication numberOT-2026-000062552 · never reused
Internal UUID01a0ae8c-0ac1-7562-91b9-5207ca45941d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062552
StatusPUBLIC

Content hashes

Canonical text3322e1e8898dfca7635dced701cc82d5b12080c42bbdc06425e73a3457a376cf
Markdown0379c886217a170042019333e43443e9c776897247475025989b1c9a4eb68193
PDF
Publication pagedfd4f833d1745e520755b8950957955950cb1c47ecba94371fe32d0475c87e5c
Manifestec50c7ea5e228d18ad376d4c694a07b92d18e5aece3196a66a18f93566f575f0

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
SignaturegCUdlvB57ur8B2FZ1y4AHmUH0/6iyq8aU/ELnC7hsMICQmrdoHIk5ZxfZGprWxKPXitN0+S5+DSxeb8VawY9Cg==
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

2026-09-17T10:40:01.339226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062552
observed dfd4f833d1745e520755b89509579559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:01.311909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062552/manifest.json
observed ec50c7ea5e228d18ad376d4c694a07b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:01.280849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062552/publication.md
observed 0379c886217a170042019333e43443e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:01.257459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062552/publication.txt
observed 3322e1e8898dfca7635dced701cc82d5...
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.