OpenTechnical

OT-2026-000038847

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, supply line 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-2026-000038847) never changes.

Identity and time

Publication numberOT-2026-000038847 · never reused
Internal UUID01a0ae78-769f-74a0-87ca-f2e2b77b8661 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038847
StatusPUBLIC

Content hashes

Canonical texta4ffeab635de0011904475588dfc034da55142c6854cfd2a83db952091226ff6
Markdown117d1e14dcd78968bd8cb3aedb369e31c133e9ac9d2682a49c0448c15a31cf71
PDF
Publication page26eecff818031f3b2993295b492bbd1f6cc0907e4938a311084978f4389ff05b
Manifestb70326e4e4630defc6082a301058da26cca89b378471831c8cc3f706c2d3fbfa

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
SignatureOtoAjB5z498hKH9xBI8szn0iLy6Hm4R8uJbnnx9vDPap5486Yg/WR7zETYd/uI018ddO65MoNST25j9wyYgrBw==
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

2026-09-17T11:21:25.070080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038847
observed 26eecff818031f3b2993295b492bbd1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:25.051990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038847/manifest.json
observed b70326e4e4630defc6082a301058da26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:25.034904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038847/publication.md
observed 117d1e14dcd78968bd8cb3aedb369e31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:25.015909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038847/publication.txt
observed a4ffeab635de0011904475588dfc034d...
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.