OpenTechnical

OT-2026-000034521

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000034521) never changes.

Identity and time

Publication numberOT-2026-000034521 · never reused
Internal UUID01a0ae76-1ed0-71c0-aedc-c7bee36d39dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034521
StatusPUBLIC

Content hashes

Canonical textb5d0eb5e2e5bfbf47bfc991484fc6765bc8c2d3397a0716cc137999c9a60142a
Markdownb6702e126124eed775512dd60da975cb4bf05613c9487b809132533757ce841c
PDF
Publication paged0162947d1d40be4a4131c682d443549115ab52732cc8687e633056776b9e501
Manifest2a3e0684de16c7917f66d1019b571fa3efb129506e6668a5106a784113c10a17

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
SignatureIPwaURLBDhX6PYm4E2nauSjdnIxVP0C4r9uHJJ090WK8DbO/gNwmXHczcxynAqtHIh86lNIwXWg2WdCuF4sFCA==
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

2026-09-17T11:28:52.451199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034521
observed d0162947d1d40be4a4131c682d443549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:52.424062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034521/manifest.json
observed 2a3e0684de16c7917f66d1019b571fa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:52.407686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034521/publication.md
observed b6702e126124eed775512dd60da975cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:52.390041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034521/publication.txt
observed b5d0eb5e2e5bfbf47bfc991484fc6765...
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.