OpenTechnical

OT-2026-000069814

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, vented 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-2026-000069814) never changes.

Identity and time

Publication numberOT-2026-000069814 · never reused
Internal UUID01a0ae91-185f-74f1-8561-1b5a36939c5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069814
StatusPUBLIC

Content hashes

Canonical text8de1a0dc5389b8f339a5a7ebe57d2daf88f072ccacffe5fb4ce93a246f959da9
Markdowne855969845b8d67de9f69ba59491e341f8c8f4889cd248f9dd16bc0147076027
PDF
Publication pagec4c41f14b7c7a48371a4204fee61ec819c5c37870886450c8cbe32e8514862d7
Manifest413dd53b701b1c9cdfe379a8e773375a5b5fd66710c57bb997607e0cbc39ecea

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
SignaturejsPbYawSEp40DkmeHrYrOMAihDU81QDFRIXODIIqy5LlOidmNXtlZy/xoW1mgBddix1zydLu6btVcz6bxhxjBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:38.766359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069814
observed c4c41f14b7c7a48371a4204fee61ec81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:38.746926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069814/manifest.json
observed 413dd53b701b1c9cdfe379a8e773375a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:38.730088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069814/publication.md
observed e855969845b8d67de9f69ba59491e341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:38.711820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069814/publication.txt
observed 8de1a0dc5389b8f339a5a7ebe57d2daf...
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.