OpenTechnical

OT-2026-000076573

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000076573) never changes.

Identity and time

Publication numberOT-2026-000076573 · never reused
Internal UUID01a0ae94-b06e-76de-bf00-ffeec4e9a34e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076573
StatusPUBLIC

Content hashes

Canonical text37b561ce254664f371ed334370f6b9dfc0fa4c993aa93cc02b9cb9d3c7c1b876
Markdown70c52df0cb522086ae4ac6e42567ffb813d52f034ff1fbda4f35d70c881fadc3
PDF
Publication page8cdbe40bbc70be4849a5966a3f625d289e397ece3570edf2b7fa282461aa1a67
Manifest867478408d2b617978f0bc7e53434f0488b7fb788ee84dab3095bd52bfda7270

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
Signature97LOSHPxMtFGWnI//MV297/RQtZTwboOTLAfad4Ng1Yjzr2yp3MnHJ8eAtkv7VUDyq1+HepHnuFOu/avmWnPAw==
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

2026-09-17T10:09:17.579057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076573
observed 8cdbe40bbc70be4849a5966a3f625d28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.559514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076573/manifest.json
observed 867478408d2b617978f0bc7e53434f04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.538059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076573/publication.md
observed 70c52df0cb522086ae4ac6e42567ffb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.519217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076573/publication.txt
observed 37b561ce254664f371ed334370f6b9df...
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.