OpenTechnical

OT-2026-000032831

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, pulsed 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-2026-000032831) never changes.

Identity and time

Publication numberOT-2026-000032831 · never reused
Internal UUID01a0ae75-4842-7daa-8ec4-ff5a8c9545aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032831
StatusPUBLIC

Content hashes

Canonical textd3d24ee0bb342bf089428b4e6d0214f66546c9835c93b01965683714fb296f24
Markdown1d1d8759fb6664ea430d7ea1baa83d9459890f1434e6c5feb23f1cbeebd300dd
PDF
Publication page589ed666703a0712b8a8db842a2adc762a675955137bc40a7a68104295bc965d
Manifest3771eb30e97be2115f3520bbad227c862da881c60bcb0652b2abfca5c3d559fa

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
SignatureakQpUSp56I0evwHrcxu/rgEPvzUh6TTBl1DS9U77w+N7DD3vOGL6lL9oqRiXa+0HMW1X+kLw+JOmfSBfZVNHCg==
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

2026-09-17T11:32:17.301686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032831
observed 589ed666703a0712b8a8db842a2adc76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:17.286698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032831/manifest.json
observed 3771eb30e97be2115f3520bbad227c86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:17.269909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032831/publication.md
observed 1d1d8759fb6664ea430d7ea1baa83d94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:17.252576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032831/publication.txt
observed d3d24ee0bb342bf089428b4e6d0214f6...
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.