OpenTechnical

OT-2026-000087545

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, 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-2026-000087545) never changes.

Identity and time

Publication numberOT-2026-000087545 · never reused
Internal UUID01a0ae9a-cd52-7749-8222-2cb2a8e9f89c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087545
StatusPUBLIC

Content hashes

Canonical text70421c62130c9542af0525998cc508a0219338e70e75309f31c281423d0a37bc
Markdownc6dce83003b448ea8ca6b80d89a52b85defd2259b0c8f06c96c398a9ab5c7d78
PDF
Publication page1bfb86bf7d286e5d48fa74f5ab33dfa0534be38856188697fe5a9fdefce9c1fa
Manifeste638460bc90cb4c4645f38d9feee1862294759b5045e62969d51eff75fc3e81f

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
SignaturejZ30KG0LCx9AqftFRSdnabbjmylwPYVZ4G9xsrsxGHxYoQwbwBVgn2HaLzy0r8IgkZgcMuRrt0k6PH6a36LzBA==
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

2026-09-17T09:50:53.190303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087545
observed 1bfb86bf7d286e5d48fa74f5ab33dfa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.172513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087545/manifest.json
observed e638460bc90cb4c4645f38d9feee1862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.155214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087545/publication.md
observed c6dce83003b448ea8ca6b80d89a52b85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.139182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087545/publication.txt
observed 70421c62130c9542af0525998cc508a0...
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.