OpenTechnical

OT-2026-000030843

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pulsed 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-2026-000030843) never changes.

Identity and time

Publication numberOT-2026-000030843 · never reused
Internal UUID01a0ae74-3fb5-7e01-9230-3006ce9fc4a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030843
StatusPUBLIC

Content hashes

Canonical text505101382d923ea2e45db6df2c40244fcc77d04e06b921a52477ac6db2fcd8f8
Markdown92ba37e6d7706f273369c13791345c4992efa4c927b8327c02a8714f902ae7bf
PDF
Publication page198ae3d05d4e3672b01e2aba78e9f04aa0ff9922e059eb2b929eff347734e059
Manifest61eb41a777da00853b50281b7865d13acd7a6c3b743844c7bf6e9c4f2d899eaf

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
SignaturewNtW24oSZ5wIt1YIYv64pQh48t38V8pZwzKqOS6Pei2dzEW9bWgtq0fQt87D1PvOk1LBBXPXcTRzxiVAVJGuCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:49.070254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030843
observed 198ae3d05d4e3672b01e2aba78e9f04a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:49.051040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030843/manifest.json
observed 61eb41a777da00853b50281b7865d13a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:49.030525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030843/publication.md
observed 92ba37e6d7706f273369c13791345c49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:49.009233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030843/publication.txt
observed 505101382d923ea2e45db6df2c40244f...
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.