OpenTechnical

OT-2026-000029274

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000029274) never changes.

Identity and time

Publication numberOT-2026-000029274 · never reused
Internal UUID01a0ae73-2aa1-7ac0-a505-249b02d28fac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029274
StatusPUBLIC

Content hashes

Canonical text166004535afab350da2c8487b65f55deeb06e97c3e7f026dab9df782d3ae29f8
Markdownbb111c5d53fc37496c4a989239cd71854b8c840790a1e6f1fda5cbfa162a5f00
PDF
Publication page204b1ea08e6ac61923b7da8414401ede62637886ff6f21c0223d54b39f08d706
Manifestba841b3334c1f5f631695649547b093d552afe93ab1771b323ed1b92213ec033

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
SignaturevCeMtjRyBLavNKspD6rnc0vL2UsgJ026Zcpdraq9YdmWPtpDhcXPMJ30NbhbkaD5t3Ndw89DP4dt5hAiDMklBQ==
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

2026-09-17T11:39:54.488532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029274
observed 204b1ea08e6ac61923b7da8414401ede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:54.473294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029274/manifest.json
observed ba841b3334c1f5f631695649547b093d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:54.456796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029274/publication.md
observed bb111c5d53fc37496c4a989239cd7185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:54.437376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029274/publication.txt
observed 166004535afab350da2c8487b65f55de...
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.