OpenTechnical

OT-2026-000018295

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000018295) never changes.

Identity and time

Publication numberOT-2026-000018295 · never reused
Internal UUID01a0ae6e-b489-7157-844c-bfff2e8ab53b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018295
StatusPUBLIC

Content hashes

Canonical text6ced89eca1ac3431e882ee20bdb65df574ac2f874748908f4e129b2d79b014f7
Markdown4b3b49df385440e2b8cc12a55a0e1beb0c428592d7a8ebb19899568ae3df3ba9
PDF
Publication pageecdcd460cc9cf4873663571b3bbb979092cb5e8cbdfcb4fec169327807fc25bb
Manifest932fc54f404f7878046d050054940614df15d8e1ea0f55b05d795b82726195e6

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
SignatureCaibREaguV+HWrlUF4lg/0GeD0ykAXhzyf4SNOLpp9k/l4pX9cLUw5c0VqlS5vazOCPFyR5W5herlGS29jGKCQ==
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

2026-09-17T12:00:10.075040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018295
observed ecdcd460cc9cf4873663571b3bbb9790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:10.048590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018295/manifest.json
observed 932fc54f404f7878046d050054940614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:10.027837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018295/publication.md
observed 4b3b49df385440e2b8cc12a55a0e1beb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:10.004398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018295/publication.txt
observed 6ced89eca1ac3431e882ee20bdb65df5...
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.