OpenTechnical

OT-2026-000065731

Publication integrity record

Three 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-2026-000065731) never changes.

Identity and time

Publication numberOT-2026-000065731 · never reused
Internal UUID01a0ae8e-46fb-799c-9796-3b15351a9b67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065731
StatusPUBLIC

Content hashes

Canonical text8416a03e7bcccf73283d1b179211578b247bc5afe0b02cec3ee1a32a47e546d4
Markdown432c8feb78f0ff9a72c18be00a11abd41b4a8c5bb7ae06e667352622d43576a6
PDF
Publication pageff49973fac6b5e3b1bb850f98da5c0f30e1c5dc1dc5fae73542ea899a763dbc6
Manifest8261d0940a4fe56467cbf59e4ca7d7819c4bf59e3d1576873b4aaf588274e0cc

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
SignatureRUg+3rIuJHEOkHS2I3hPXYPoUqrjTVitvKpZeSTlPn9nL9uzUamqzV1L3bp4gt7mcrK1zRp/76jliMSjEwKKBA==
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

2026-09-17T10:34:09.439661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065731
observed ff49973fac6b5e3b1bb850f98da5c0f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:09.423104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065731/manifest.json
observed 8261d0940a4fe56467cbf59e4ca7d781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:09.406019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065731/publication.md
observed 432c8feb78f0ff9a72c18be00a11abd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:09.385484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065731/publication.txt
observed 8416a03e7bcccf73283d1b179211578b...
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.