OpenTechnical

OT-2026-000078826

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented after set-down

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-2026-000078826) never changes.

Identity and time

Publication numberOT-2026-000078826 · never reused
Internal UUID01a0ae95-ccbd-7895-ac9c-e7bb0adb0964 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078826
StatusPUBLIC

Content hashes

Canonical text07c447d14ff470619f3a05958eb14e50361f61a0126cc4cb723cb0ecf4ece499
Markdownacb13b8963a7cf47d92b615adad9c7bc2a55fd8a1a1935353e0f257042df62ed
PDF
Publication page89b6b4d50e83351dbf4c25844ffdcd0df614d3a7d3ad7b38a3778a0a0a93a5bc
Manifest4bfa10446c02d74d74b1f7c6726d093036864345f1ae42750fde37f356c75438

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
SignatureFs1fzxdc4tby/xgfJmmOiWDpH9iuAT4OtTDPkTJILYnpVu/KJwqmQFTv/uy4DwVdrqQredKAsT+bdpi9cACLBQ==
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

2026-09-17T10:05:21.984856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078826
observed 89b6b4d50e83351dbf4c25844ffdcd0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:21.964928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078826/manifest.json
observed 4bfa10446c02d74d74b1f7c6726d0930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:21.945256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078826/publication.md
observed acb13b8963a7cf47d92b615adad9c7bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:21.924963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078826/publication.txt
observed 07c447d14ff470619f3a05958eb14e50...
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.