OpenTechnical

OT-2026-000087581

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000087581) never changes.

Identity and time

Publication numberOT-2026-000087581 · never reused
Internal UUID01a0ae9a-cd52-7f38-922c-227be847c14d · 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-2026-000087581
StatusPUBLIC

Content hashes

Canonical text05db7688d627086daeb5bff34c91f27f4087e1fb6c39b972aa126fd80f84416c
Markdowne21d22060e2d2b6f21032ab3af37cb04700e67b09dddf8f7295e972aaf7187ba
PDF
Publication page13f52a5e61e04b46b0038830417e126793f390cce41737a04db5166cf7bf5ef0
Manifest46d08a1c0ebf9be40365ac80b562717a4b8ec42cddffd596fc6585d28ae60985

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
SignatureLBO8rlqAzBVXiN5UlRaeyKcyA1v29n12H+Ltvn2Wzx/eqlEgIz26hzC1ZTjp+Qe2Yxn14agYnqZQCAKcimwWDg==
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

2026-09-17T09:50:55.708882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087581
observed 13f52a5e61e04b46b0038830417e1267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:55.691104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087581/manifest.json
observed 46d08a1c0ebf9be40365ac80b562717a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:55.674177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087581/publication.md
observed e21d22060e2d2b6f21032ab3af37cb04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:55.658568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087581/publication.txt
observed 05db7688d627086daeb5bff34c91f27f...
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.