OpenTechnical

OT-2026-000009890

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000009890) never changes.

Identity and time

Publication numberOT-2026-000009890 · never reused
Internal UUID01a0ae6b-cb78-7b18-90c6-3ad15082ee94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009890
StatusPUBLIC

Content hashes

Canonical text609791037797624cfb958ced0f20be523b5a69768e344f100be40de8246d822c
Markdownb84bfcb883042feb4828f9857c28a3bbbfdaa5b93fb68b3315e0512b5f31a968
PDF
Publication page1e51c71b2ba8ae5603483d6e4bccd7f79579020881bf25a2e4307b4af9b3d554
Manifest2291d14cb88518c6bccbefbc1708baa1fceed434850cb0d03969cc7435568cec

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
SignatureBEluN4foCOk42A/wfvGMjmbS2NWvQ6OhysH9pBS3zsah/bwe3D1i1txOGE02vcyyWIJkcObIbjO72oyas63lBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:54.019755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009890
observed 1e51c71b2ba8ae5603483d6e4bccd7f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:53.998181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009890/manifest.json
observed 2291d14cb88518c6bccbefbc1708baa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:53.975542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009890/publication.md
observed b84bfcb883042feb4828f9857c28a3bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:53.954694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009890/publication.txt
observed 609791037797624cfb958ced0f20be52...
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.