OpenTechnical

OT-2026-000019974

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000019974) never changes.

Identity and time

Publication numberOT-2026-000019974 · never reused
Internal UUID01a0ae6f-1fb7-7016-a851-0beb74c1f1a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019974
StatusPUBLIC

Content hashes

Canonical text5518037de5f72565b4d6d1cc66b8046448fc1a6f56c9237708925c3b97b21858
Markdownfced6f157a195f05ff092eb6a0f1748f2b4b6a691df4c1e72e6ededea275cf06
PDF
Publication pageeb3269acb2de31c5f0e1f9e926f7e412baa3a1942b8415d2877a330fb26a03ab
Manifest4e6e19bcb83ed4ad1c79a290a30acdca1f6419f3de0ae1e9c22686a23f6a03da

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
SignatureFr2e00G0wHrAWswmv4RpIbbKxqw5tsnY6+EuZnRA5F62O169ttE3kVisgAV9wUACesiKN1HHUt8sBs4UGDd/BQ==
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

2026-09-17T11:58:12.689622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019974
observed eb3269acb2de31c5f0e1f9e926f7e412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:12.671320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019974/manifest.json
observed 4e6e19bcb83ed4ad1c79a290a30acdca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:12.653602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019974/publication.md
observed fced6f157a195f05ff092eb6a0f1748f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:12.635228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019974/publication.txt
observed 5518037de5f72565b4d6d1cc66b80464...
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.