OpenTechnical

OT-2026-000018507

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pulsed blow-off before set-down

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-2026-000018507) never changes.

Identity and time

Publication numberOT-2026-000018507 · never reused
Internal UUID01a0ae6e-b48a-7694-b793-e22c056dfcbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018507
StatusPUBLIC

Content hashes

Canonical textb1a096080ee0fd72be54d93e4816addade8084e67afd2dfc0bda1a3206dee0c9
Markdownd04bcbe20f1c03dc28514f7175c212d673f100e64c96bec767d009668f13bd4c
PDF
Publication page84be2352c5cf00c44e6941b3ae4e6a4605c3a7649cd8d63f96aae5e0dd368a0a
Manifest338c15e12a95fb70559a3b17044e2dd2ecd80fa64b217230218c86208d0e4d6b

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
Signature+9TVzWwkazeWKou750wRIbVLzkItdFK6RlcpHCq7fGg2Qj4Y7LCoicpD+83p+FE1NZvclbWfWfLxZ843WeZZDA==
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

2026-09-17T12:01:16.708555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018507
observed 84be2352c5cf00c44e6941b3ae4e6a46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:16.692386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018507/manifest.json
observed 338c15e12a95fb70559a3b17044e2dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:16.675492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018507/publication.md
observed d04bcbe20f1c03dc28514f7175c212d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:16.657903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018507/publication.txt
observed b1a096080ee0fd72be54d93e4816adda...
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.