OpenTechnical

OT-2026-000018528

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000018528) never changes.

Identity and time

Publication numberOT-2026-000018528 · never reused
Internal UUID01a0ae6e-b48a-7a4d-86ae-5797a6eab456 · 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-2026-000018528
StatusPUBLIC

Content hashes

Canonical text6e11c87cdb73708e7ab368747b551cb95689ba1d2ba4fe562973bed281033e05
Markdownb5d4d93a5b7a3bd63667b0be447862d337f8f26b4aeba9d2aad004626475767b
PDF
Publication page122268d9857cd0820f756da96beb18cc217b1390f1b06b97b0b2d96b4596c08e
Manifeste945d27543d91306d19c725c386d98efc1c8cb2120b4d030f1e4a53414ed134b

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
SignatureDV7kSeIOwlGUkcCje21Kqw/6JU9zReIHOI7xr2S2rPYRW9TD+2rrc5Ziz/wAtdCcW0HI9pen/Gc/9NXM4EucAQ==
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

2026-09-17T12:01:18.269914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018528
observed 122268d9857cd0820f756da96beb18cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:18.250612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018528/manifest.json
observed e945d27543d91306d19c725c386d98ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:18.233374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018528/publication.md
observed b5d4d93a5b7a3bd63667b0be447862d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:18.215892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018528/publication.txt
observed 6e11c87cdb73708e7ab368747b551cb9...
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.