OpenTechnical

OT-2026-000087814

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump 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-2026-000087814) never changes.

Identity and time

Publication numberOT-2026-000087814 · never reused
Internal UUID01a0ae9b-1aa5-7bc0-87ba-ded31eaf0b7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087814
StatusPUBLIC

Content hashes

Canonical text7b3116381b7be1246b898d0007de859eaa9994f1cbdc92f09d3de4027c47ed79
Markdown714280603682b77f9f032c2913787f80b3db4fcf6da597340f5d084942e22abb
PDF
Publication page1046aefff5bdf650c961b7f47378cbb00e6a08158ba3bb429cb96c421035d036
Manifest9bdd2450ae652013e38b9fda9edfa8314f89f20c8dae5ad1487cbb0226d424d1

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
Signaturee9gx1U281+BdnmLdzv5wuSi3uapkLln9VmhZuJn9FQiKQ39QHTCPOMJOVCdUhoY2YVaHzFoxRld9xqtbtPvCBA==
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

2026-09-17T09:49:02.849327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087814
observed 1046aefff5bdf650c961b7f47378cbb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:02.829715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087814/manifest.json
observed 9bdd2450ae652013e38b9fda9edfa831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:02.800495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087814/publication.md
observed 714280603682b77f9f032c2913787f80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:02.670697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087814/publication.txt
observed 7b3116381b7be1246b898d0007de859e...
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.