OpenTechnical

OT-2026-000033854

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, pulsed 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-2026-000033854) never changes.

Identity and time

Publication numberOT-2026-000033854 · never reused
Internal UUID01a0ae75-a391-74bd-bab5-6c3339aa4a64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033854
StatusPUBLIC

Content hashes

Canonical text7b926b5b0c845c7df0eaa48a698b49efb38fba9afc027cd6b7863d034b0fabbe
Markdown7dd41e26c9150ac774219f59b63710b513c5793d3ea6dc8255e384aa35b68254
PDF
Publication pagebc4e95871e7da8325bbdccb6368ac55721081787c77b34ce03b261b80144526f
Manifest6a353a5f535f37adfd11ebc72f3af05cb1a7f440303a6e7cee1f17946abc2727

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
Signature00/g3MnG+BFgHKREzzjiBLqDfvM7ne7nsZx40a6tthqOidupqHab98mbXicoE5lUjvvb4NzBAu1KZrxRxG/0DQ==
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

2026-09-17T11:31:54.869628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033854
observed bc4e95871e7da8325bbdccb6368ac557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:54.847578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033854/manifest.json
observed 6a353a5f535f37adfd11ebc72f3af05c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:54.829812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033854/publication.md
observed 7dd41e26c9150ac774219f59b63710b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:54.812558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033854/publication.txt
observed 7b926b5b0c845c7df0eaa48a698b49ef...
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.