OpenTechnical

OT-2026-000076509

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000076509) never changes.

Identity and time

Publication numberOT-2026-000076509 · never reused
Internal UUID01a0ae94-6a71-7a37-ab76-9b78112435ff · 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-2026-000076509
StatusPUBLIC

Content hashes

Canonical texte187244640cc5d1d5d2a88870a8fff31f08d430a8e9becdfbf05017a5958afdb
Markdownd6e59500f643654a24561ac0739fd7125a99fba3b63d765817c867a6f9098c14
PDF
Publication pageb7f217e3d32857e517d3337235d5e4d54140e26f36aa386e37fbada4e64bbf96
Manifesta7f1dde176b78345f75eeae2e925ee96a4ed7d4a725558d89de0807968abd786

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
SignatureinEnAOtVt1AlVvgmPRXrwCU+HtmxrNuTzKAlyMpD+zC6LpP/TNTMuc+vcwccrtDMfu9tiZfq2pCED9cQrxUnBg==
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

2026-09-17T10:12:48.485833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076509
observed b7f217e3d32857e517d3337235d5e4d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:48.466216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076509/manifest.json
observed a7f1dde176b78345f75eeae2e925ee96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:48.446828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076509/publication.md
observed d6e59500f643654a24561ac0739fd712...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:48.044529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076509/publication.txt
observed e187244640cc5d1d5d2a88870a8fff31...
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.