OpenTechnical

OT-2026-000076043

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, 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-2026-000076043) never changes.

Identity and time

Publication numberOT-2026-000076043 · never reused
Internal UUID01a0ae94-6a6e-711b-956e-30a26aca3971 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076043
StatusPUBLIC

Content hashes

Canonical text63a5ca61f380940412a83b23cd2352eb72f89b070b07160c1bf2cfee3d21782c
Markdown64c0d1bdd0875eb7504f982516cf1e6462abd07542dabc583866059a7eae2700
PDF
Publication pagedfb7ba42525e526886f1be5a564f70d43cecfcd6e9ad56e71fb05e14553e00af
Manifest82e2eaf8902d327061bf6269c97fee38687a1696b3658207512900aeee5b2f77

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
Signaturec/wTfbmcbMtcxdUHhlbww1qphfoNNr8+ZVz0VyHNeuEuTRFWtVIWKtBV2i0owth6zsS1xyHgSYLNxi7tOsqvAw==
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

2026-09-17T10:10:31.534649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076043
observed dfb7ba42525e526886f1be5a564f70d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:31.506395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076043/manifest.json
observed 82e2eaf8902d327061bf6269c97fee38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:31.487238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076043/publication.md
observed 64c0d1bdd0875eb7504f982516cf1e64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:31.466408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076043/publication.txt
observed 63a5ca61f380940412a83b23cd2352eb...
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.