OpenTechnical

OT-2026-000045011

Publication integrity record

Two cup vacuum gripper, two 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-2026-000045011) never changes.

Identity and time

Publication numberOT-2026-000045011 · never reused
Internal UUID01a0ae7c-911d-79bf-918e-035e7246d77c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045011
StatusPUBLIC

Content hashes

Canonical textdb0275e92fb39da4344821f66fabf1c052b989d36fb3fc21f6961c40bbe858ce
Markdown4358b755a5d165947e50aa297d78f5f7c02585f757cfd8ff7cb62e17f93525f9
PDF
Publication page362bef7bb1a51373a26db832ee99597558cb3b80f0fa777569d1cf0383c4e6e1
Manifest42377ec7ac100fd9d4b3ef91144853376a351af4dc8e0ec647b5b339e20f9180

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
SignaturetNdkWPAAiZpc4XnNLPLZ8mVt2n1YwX3mUHFEwDC+nKD0MTzGhdiZnAeb5ygLFyA0EFtbUCa6VEjqw2ns5AOwAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:11:42.640111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045011
observed 362bef7bb1a51373a26db832ee995975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:42.622344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045011/manifest.json
observed 42377ec7ac100fd9d4b3ef9114485337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:42.603394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045011/publication.md
observed 4358b755a5d165947e50aa297d78f5f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:42.584347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045011/publication.txt
observed db0275e92fb39da4344821f66fabf1c0...
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.