OpenTechnical

OT-2026-000019382

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000019382) never changes.

Identity and time

Publication numberOT-2026-000019382 · never reused
Internal UUID01a0ae6e-f392-7ffe-b37b-130b6f26f733 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019382
StatusPUBLIC

Content hashes

Canonical text5e3bac5a94d0f2a5083d6f391e98eaa59f24b4feee513d081899754387012f6c
Markdown4186b072946341d91c4445be22a894f4b8c6e22f1638a1e9b221fcfbae077862
PDF
Publication pagea102ac7d6bf275484e41a1c3c38431ac4fe4266823c9742a978e8a31bb93fdef
Manifest7da0ed80d4b977672e2dafe58b7cd6862c6d0606db65743fdb8b10fa1806def4

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
SignatureiocYNVN/dT0uYVNs8zZUrU1W86aTTGSe7EUgrUX4QGjWVz8tGA6KmeUe1kw39GGsAML4SdSXfp1iPz/1VlJuAw==
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

2026-09-17T11:58:45.996905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019382
observed a102ac7d6bf275484e41a1c3c38431ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:45.978498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019382/manifest.json
observed 7da0ed80d4b977672e2dafe58b7cd686...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:45.960075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019382/publication.md
observed 4186b072946341d91c4445be22a894f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:45.941362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019382/publication.txt
observed 5e3bac5a94d0f2a5083d6f391e98eaa5...
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.