OpenTechnical

OT-2026-000099020

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold 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-2026-000099020) never changes.

Identity and time

Publication numberOT-2026-000099020 · never reused
Internal UUID01a0aea2-8287-7ba3-a709-d5b790eecdbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099020
StatusPUBLIC

Content hashes

Canonical texte52b0a658ccd94cf56c0ee45703001b41ec5e2d06ef4233df285e28b4f09c18a
Markdownfd0556808329cbef2f9deda78d457ec0ebb2c96deb35e31fa06d66e94222570b
PDF
Publication page3cb89c8cc9769499c4aeb67a84b372e356fed8c9012ac02cfc1ab777211754a0
Manifest88ca64ad458c9521047a07f174272119ef2f151d728590ab0b8f59aa652f3055

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
SignatureEdAuFuK3YZTkIv0spY+WyBm0K93TiqSpkJEKjX6iWklm5TD0cV3rt1tot2Oeq84bLWOVLUo/OInqnMAfT2XOAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:06.697978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099020
observed 3cb89c8cc9769499c4aeb67a84b372e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.681125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099020/manifest.json
observed 88ca64ad458c9521047a07f174272119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.664686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099020/publication.md
observed fd0556808329cbef2f9deda78d457ec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.647959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099020/publication.txt
observed e52b0a658ccd94cf56c0ee45703001b4...
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.