OpenTechnical

OT-2026-000022701

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000022701) never changes.

Identity and time

Publication numberOT-2026-000022701 · never reused
Internal UUID01a0ae70-46e9-7b62-8a01-b0ccc36129e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022701
StatusPUBLIC

Content hashes

Canonical texte594195e1bcc630290c0ebc8e1c3bf84a601e133bd1b3d9d3e6a09b7bf428a88
Markdown494b210bc47af484ca63e60e5e9c46c61a43a68d8d28968fd0c8050c70491727
PDF
Publication pagee4d3f7740ef7420d6d3548d4a595889d223e025cc1f80d7146392b530687f6eb
Manifestf08982a5f060c97daaf3742ef63f616e8ec1d4f9a844addd3733cf16a7612fef

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
Signature5Ej+iA2FO/DZbnTFBrBnZ/BUw4rjg2DT71SoVg2BbKNorFVkDwc96wm5FOo9DOAdWO69/HkOE2fMlFnZbcRjBQ==
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

2026-09-17T11:52:11.453136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022701
observed e4d3f7740ef7420d6d3548d4a595889d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:11.425017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022701/manifest.json
observed f08982a5f060c97daaf3742ef63f616e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:11.360141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022701/publication.md
observed 494b210bc47af484ca63e60e5e9c46c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:05.617776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022701/publication.txt
observed e594195e1bcc630290c0ebc8e1c3bf84...
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.