OpenTechnical

OT-2026-000091748

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000091748) never changes.

Identity and time

Publication numberOT-2026-000091748 · never reused
Internal UUID01a0ae9d-43b9-75b2-b388-6b71664f766f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091748
StatusPUBLIC

Content hashes

Canonical text5c363580d4d97445d44291ecc2969b0d24b8fe6886e3a8c90d678bd2d10558d1
Markdown226872d5cc49df86f847041b6293ee35d4a039f49ce3dc02902e650c83bda62c
PDF
Publication page675f2c93a0270d7be0351d461f454325ec34d2a307e9d82ab163aa200dc74659
Manifest8f91428bea32795e0f9b21bbc109346302ede27cfd602310146318d99ce1086f

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
SignatureLEFXjF+ut/LjX6FAQTWOdCmUq76rdKOGqMB7lWwgcwQi7k9tOTEDNJetG7YQEV5qTtFoxrkgSAXlxt3BGuSmAQ==
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

2026-09-17T09:42:38.514471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091748
observed 675f2c93a0270d7be0351d461f454325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.496932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091748/manifest.json
observed 8f91428bea32795e0f9b21bbc1093463...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.479469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091748/publication.md
observed 226872d5cc49df86f847041b6293ee35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.462900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091748/publication.txt
observed 5c363580d4d97445d44291ecc2969b0d...
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.