OpenTechnical

OT-2026-000007729

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000007729) never changes.

Identity and time

Publication numberOT-2026-000007729 · never reused
Internal UUID01a0ae62-843f-73b4-a0ec-90796353c515 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007729
StatusPUBLIC

Content hashes

Canonical text97773141918609607946c44b5527ab517318e2195ae64c1d28339c8ba0fe9190
Markdownfd8053b3940df4b8792bafc3aab05ad8adffb90098cadaa25797c5a8ddef8fe3
PDF
Publication page7b5dda7ef284c574fd9178227488ca868822da8481299de864244a25111a56c7
Manifesta6bc5f634bb58fa06b54de9b273cd59552be10bf975c556e56027abdbd5da2ba

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
Signaturep11pas3sp+vNNVZlaznZ49jtl6ZJd2zXBM4zZXqV7TzRO6+2ol1uWJI4OzOSB5P6v4rCUbU/amY8CxrysRzcBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:07.185144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007729
observed 7b5dda7ef284c574fd9178227488ca86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:07.167811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007729/manifest.json
observed a6bc5f634bb58fa06b54de9b273cd595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:07.150625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007729/publication.md
observed fd8053b3940df4b8792bafc3aab05ad8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:07.131442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007729/publication.txt
observed 97773141918609607946c44b5527ab51...
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.