OpenTechnical

OT-2026-000042830

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000042830) never changes.

Identity and time

Publication numberOT-2026-000042830 · never reused
Internal UUID01a0ae7a-c0d0-74d2-80bd-4544a4404ecc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042830
StatusPUBLIC

Content hashes

Canonical textcdeacccb7544056e5ed05399cf27e6e2c9a85f065472659d5dd22077efd85d13
Markdown6bf2bd005409997844da728370a049613675a42fcf80f3c0035bf84770642880
PDF
Publication page71297ccf99b4f2c2c47d2e31925f694dcdb0ea68604d92ea58b481ab5984cf38
Manifestfaa535ece9dd743d1706746078fe7325b17c91f3315e07c681405c49c258566d

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
SignaturefwIwD5zQ7qCufC9QPIMb+qJ/friO9heYCcMOseXjG+nmw8rriVDgFkROaElHbxtGGF4owrWRlhELmL6c/dE8Bw==
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

2026-09-17T11:15:18.692052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042830
observed 71297ccf99b4f2c2c47d2e31925f694d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:18.674686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042830/manifest.json
observed faa535ece9dd743d1706746078fe7325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:18.657711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042830/publication.md
observed 6bf2bd005409997844da728370a04961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:18.638534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042830/publication.txt
observed cdeacccb7544056e5ed05399cf27e6e2...
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.