OpenTechnical

OT-2026-000051439

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, 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-2026-000051439) never changes.

Identity and time

Publication numberOT-2026-000051439 · never reused
Internal UUID01a0ae83-7c80-7002-82f5-1ccb46122c74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051439
StatusPUBLIC

Content hashes

Canonical text950cfbaef6bf35b20de3ab31eaf33bc6ce4d8e74d9f4148ad7aeba527fea655d
Markdownfacb374ed3122a822e8878653346afbdb391b5b1cf2d5b247e10b82d0bc6c14c
PDF
Publication page77dc3365e32cc0ef6142de6e4bf4a2c118ef0b38975614cae47b6c3992e3c7a9
Manifestb9e920bb5cd6a7c1d1a603fd1b7030e31386bd15780c410da0d00fa71f679238

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
Signaturenh2ByiUScSfKn4QvFPEpMA+2KeMNGYlTvIR39q4hTiRxFFizO7uP6f39Qxu3MOb78b6ieR0OduHcz1/XcHGdDQ==
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

2026-09-17T10:58:09.686544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051439
observed 77dc3365e32cc0ef6142de6e4bf4a2c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:09.668624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051439/manifest.json
observed b9e920bb5cd6a7c1d1a603fd1b7030e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:09.650897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051439/publication.md
observed facb374ed3122a822e8878653346afbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:09.631670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051439/publication.txt
observed 950cfbaef6bf35b20de3ab31eaf33bc6...
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.