OpenTechnical

OT-2026-000065979

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000065979) never changes.

Identity and time

Publication numberOT-2026-000065979 · never reused
Internal UUID01a0ae8e-8dc2-7d48-9138-8c06d8119378 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065979
StatusPUBLIC

Content hashes

Canonical text3487f0efdd97bb6d92f1081210d74e9787578942c1e35d89f76c70f908bd9cc1
Markdown87096c7bd06309ae95c225e7982176d09c13c8dd09928dfc3bcb6830a4e38975
PDF
Publication page9653901c46fd33f9114e35b6d5b6029f151f259170ddf91af74195d1bee1337b
Manifest4e9688a9ecf3760981a8ebaf3f2cc68e0ea44b4c537b778203ba9ba9065e7961

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
Signature3bUPqbVOhDMFZfTA8rgk1cHt/1GXKr6O9Ih3tki2cxCzo3VZZzAEnrSLxCER22OPdhZ5Vxd8alpRsPZG/W8+DQ==
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

2026-09-17T08:50:28.212196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065979
observed 9653901c46fd33f9114e35b6d5b6029f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:28.192609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065979/manifest.json
observed 4e9688a9ecf3760981a8ebaf3f2cc68e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:28.173235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065979/publication.md
observed 87096c7bd06309ae95c225e7982176d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:28.144428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065979/publication.txt
observed 3487f0efdd97bb6d92f1081210d74e97...
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.