OpenTechnical

OT-2026-000017308

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single 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-2026-000017308) never changes.

Identity and time

Publication numberOT-2026-000017308 · never reused
Internal UUID01a0ae6e-76c8-7e18-973b-d2182e186241 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017308
StatusPUBLIC

Content hashes

Canonical textcd942cbbec0cfe8b86de60c4fe544f077ba0aa1f1c453b745e442b37e7d34ea4
Markdown5572f3402cd98439cdacd0cb6f17864fd4dc6c987f3ccfeb281c4b31863c7058
PDF
Publication page54397d8355b157ed67ff41df3f8ac6ef73a6b94df3591c7c0f322f43f0110408
Manifest6b09fd70883f0d8f512d78021ffd437a4008d4fcfefdab606c533e52d77a1d62

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
SignatureOhfHXOz3QVJP+syGJVdfwBR5C7/G+uqTw/fUo3s2NLGsSOfH22EjfxtyZLYIvEbBMhNdT9TkQKaeF33KZElNBA==
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

2026-09-17T12:02:24.635527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017308
observed 54397d8355b157ed67ff41df3f8ac6ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.616381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017308/manifest.json
observed 6b09fd70883f0d8f512d78021ffd437a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.597520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017308/publication.md
observed 5572f3402cd98439cdacd0cb6f17864f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.580557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017308/publication.txt
observed cd942cbbec0cfe8b86de60c4fe544f07...
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.