OpenTechnical

OT-2026-000049191

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000049191) never changes.

Identity and time

Publication numberOT-2026-000049191 · never reused
Internal UUID01a0ae81-134e-7efa-a439-9e5c83556fb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049191
StatusPUBLIC

Content hashes

Canonical text8ece019a00936cf506ccf6eee1e0ef596688b1906f97d488c2d855e812cbfab6
Markdownf9a35cdba38e12d385fd8542adef5ed003ed842f85a656cf14a346ebbe085604
PDF
Publication pagefcebba9657604758d5e843e148320cd655c7501766fe70d4d8eef5b0b437a1ec
Manifest9ea0c9b6f7ed9c3f0b6d72809db69016aafc67ec8774c6a0bda2698ef9fe56ad

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
SignatureAH59lpDD8Atnh7zzMHLegiS8K0Or3fnrfD/+nXoooM49ILJXBjXSlccHx6WORgVSSqlLc+F1DtTM1CGTt8AvAA==
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

2026-09-17T11:04:00.040845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049191
observed fcebba9657604758d5e843e148320cd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:00.020533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049191/manifest.json
observed 9ea0c9b6f7ed9c3f0b6d72809db69016...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:00.001141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049191/publication.md
observed f9a35cdba38e12d385fd8542adef5ed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.980634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049191/publication.txt
observed 8ece019a00936cf506ccf6eee1e0ef59...
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.